Amorphous, I.e., Glassy Patents (Class 148/403)
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Patent number: 8372217Abstract: A magnetic core having an iron-based amorphous alloy that includes: a chemical composition with a formula FeaBbSicCd, where 81.5<a?84, 12<b<17, 1?c<5 and 0.3?d?1.0, numbers being in atomic percent, with incidental impurities, simultaneously having a value of a saturation magnetic induction equal to or exceeding 1.63 tesla, a Curie temperature greater than or equal to 315° C. and less than or equal to 360° C. and a crystallization temperature greater than or equal to 400° C. and less than or equal to 470° C. The core has low core loss and exciting power and is suited for transformers, electrical chokes, power inductors and pulse generation and compression devices.Type: GrantFiled: December 31, 2009Date of Patent: February 12, 2013Assignees: Metglas, Inc., Hitachi Metals, Ltd.Inventors: Ryusuke Hasegawa, Daichi Azuma
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Publication number: 20130032252Abstract: An amorphous Nickel-Free Zirconium alloy which is readily formed through copper mold casting, comprising a composition consisting of four elements in which the first element is Zr, the second element is Ti, the third element is Cu and the fourth element is Al, wherein an atomic percent of the first to the fourth elements in the composition are represented by a, b, c and d respectively, wherein a=45˜69%, b=0.25˜8%, c=21˜35%, and d=7.5˜15%, where a sum of a, b, c and d is smaller than or equal to 100%. The composition of the amorphous alloy within the above range is melted in a copper mold to form bulk amorphous materials or parts which have characteristics of high tensile strength, high fracture toughness, low Young's modulus and high corrosion resistance.Type: ApplicationFiled: August 4, 2011Publication date: February 7, 2013Inventors: Qiang He, Jian Xu
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Patent number: 8361250Abstract: According to embodiments of the present invention, an amorphous alloy includes at least Pt, P, Si and B as alloying elements, and has a Pt weight fraction of about 0.925 or greater. In some embodiments, the Pt weight fraction is about 0.950 or greater.Type: GrantFiled: February 12, 2010Date of Patent: January 29, 2013Assignee: California Institute of TechnologyInventors: Marios D. Demetriou, William L. Johnson
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Publication number: 20130004786Abstract: Provided in one embodiment includes a multi-fully alloyed powder that provides a wear- resistant and corrosion-resistant coating on a substrate when applied by a thermal spraying process. The coating exhibits desirable hardness, toughness, and bonding characteristics in a highly dense coating that is suitable for a wide range of temperatures. The embodiment provides a method of forming a coating, the method comprising: providing a substrate; and disposing onto the substrate a coating, comprising: a powder-containing composition comprising an alloy, the alloy comprising a solid solution comprising nickel, and a first component comprising at least one transition metal element and at least one nonmetal element.Type: ApplicationFiled: February 1, 2011Publication date: January 3, 2013Inventors: Gerald A. Croopnick, Marcella Wilson Croopnick
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Publication number: 20130004793Abstract: There is provided a copper alloy for electronic material which exhibits excellent plating uniformity. A copper alloy for electronic material, wherein, when its cross section parallel to a rolling direction is observed by SIM, an area ratio of amorphous structure and crystal grains having a grain size of less than 0.1 ?m at a depth range of 0.5 ?m or less from the surface is 1% or less, and a ratio of the number of crystal grains having a grain size of at least 0.1 ?m and less than 0.2 ?m to the overall number of crystal grains having a grain size of at least 0.1 ?m at a depth range of 0.2-0.5 ?m from the surface is 47.5% or more.Type: ApplicationFiled: March 23, 2011Publication date: January 3, 2013Inventor: Hiroshi Kuwagaki
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Publication number: 20120325378Abstract: A method of extruding a glassy aluminum-based alloy billet, by soaking the billet for sufficient time to heat the billet to an extrusion starting temperature of from about 300° F. to about 600° F. and extruding the billet in a streamline die having an extrusion ratio to keep the adiabatic temperature below the starting temperature while maintaining the streamline die at a temperature of about 400° F. to about 600° F. at a ram speed less than that which would raise the streamline die temperature within this range.Type: ApplicationFiled: June 27, 2011Publication date: December 27, 2012Applicant: UNITED TECHNOLOGIES CORPORATIONInventor: Thomas J. Watson
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Publication number: 20120318412Abstract: A primary ultrafine-crystalline alloy having a composition represented by the general formula: Fe100-x-y-zAxByXz, wherein A is Cu and/or Au, X is at least one element selected from the group consisting of Si, S, C, P, Al, Ge, Ga and Be, and x, y and z are numbers (by atomic %) meeting the conditions of 0<x?5, 10?y?22, 0?z?10, and x+y+z?25, and a structure in which 5-30% by volume of primary ultrafine crystal grains having an average particle size of 30 nm or less are dispersed in an amorphous matrix; its differential scanning calorimetry (DSC) curve having a first exothermic peak and a second exothermic peak lower than the first exothermic peak between a crystallization initiation temperature TX1 and a compound precipitation temperature TX3; and a ratio of the heat quantity of the second exothermic peak to the total heat quantity of the first and second exothermic peaks being 3% or less.Type: ApplicationFiled: March 28, 2011Publication date: December 20, 2012Applicant: HITACHI METALS, LTD.Inventors: Motoki Ohta, Yoshihito Yoshizawa, Taku Miyamoto, Toshio Mihara
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Patent number: 8333850Abstract: A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (ZraM1-a)100-xOx, in which a is an atomic fraction of Zr, and x is an atomic percent of 0, in which: 0.3?a?0.9, and 0.02?x?0.6; and M represents at least three elements selected from the group consisting of transition metals other than Zr, Group IIA metals, and Group IIIA metals.Type: GrantFiled: December 2, 2011Date of Patent: December 18, 2012Assignee: BYD Company LimitedInventors: Qing Gong, Faliang Zhang, Yunchun Li, Jiangtao Qu, Xiaolei Hu
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Publication number: 20120305142Abstract: A metallic alloy comprising Ti, Zr, Nb, containing an amorphous phase and a quasicrystalline phase and is represented by the formula: TiaZrbNbcMdIe, wherein: M represents an element selected from a group consisting of Ni, Co, Fe, Mn, I represents impurities, coefficients a, b, c, d, e represent atomic %, and are equal to: 40?a?55, 5?b?30, 5?c?25, 5?d?30, e?1.Type: ApplicationFiled: July 21, 2011Publication date: December 6, 2012Applicant: Instytut Fizyki Jadrowej im. Henryka Niewodniczanskiego PANInventors: Jacek Andrzej JAWORSKI, Eric Andre Jacque FLEURY, Oh-jib KWON, Jayaraj JAYAMANI
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Publication number: 20120298264Abstract: An alloy having a formula Zr100-x-u (Cu100-aNia)xAlu wherein X, U and a are in atomic percentages wherein X is less than or equal to 48 and greater than or equal to 37, wherein U is less than or equal to 14 and greater than or equal to 3, and wherein a is less than or equal to ten and greater than or equal to 3. Methods of forming the alloy and bulk metallic glass comprising the alloy are also provided. The alloy and bulk metallic glass are useful in a wide number of applications which includes sports and luxury products, electronic goods, medical instruments, and military equipment.Type: ApplicationFiled: January 19, 2012Publication date: November 29, 2012Inventors: Li Yi, Irene Lee, Dong Wang
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Patent number: 8313588Abstract: An amorphous magnetic alloy is presented. The alloy has the general formula: (Fe1-xCox)nMoaPbBcCdSie, wherein n is the atomic percent of iron and cobalt; x is the fraction of n; a, b, c, d and e are the atomic percent of molybdenum, phosphorous, boron, carbon and silicon respectively and n, x, a, b, c, d and e are defined by following relationship: 76?n?85; 0.05<x?0.50; 0?a?4; b?10; 0?c<d; and 0.1?e?2. Articles comprising the alloy and methods employing the alloy for making articles are also presented.Type: GrantFiled: October 30, 2009Date of Patent: November 20, 2012Assignee: General Electric CompanyInventors: Luana Emiliana Iorio, Francis Johnson, Pazhayannur Ramanathan Subramanian, Gary Shiflet, Joseph Poon, Sriparna Bhattacharya
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Patent number: 8298355Abstract: A soft magnetic alloy that in an FeCo nanocrystal soft magnetic material, exhibits a high saturation magnetic flux density of 1.85 T or more, and that ensures prolonged nozzle life and easy ribbon production; an amorphous alloy ribbon for use in production thereof; and magnetic parts utilizing the soft magnetic alloy. The soft magnetic alloy has the composition of the formula Fe100-x-y-aCoaCuxBy (in the formula, x, y and a each represent atomic % and satisfy the relationships 1<x?3, 10?y?20 and 10<a<25). At least part of the structure thereof consists of a crystal phase of 60 nm or less (not including 0) crystal grain diameter. The soft magnetic alloy has a saturation magnetic flux density of 1.85 T or more and a coercive force of 200 A/m or less.Type: GrantFiled: March 5, 2008Date of Patent: October 30, 2012Assignee: Hitachi Metals, Ltd.Inventors: Yoshihito Yoshizawa, Motoki Ohta
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Patent number: 8298354Abstract: It is found that alloys including amorphous phase comprising at least a first element selected from the group consisting of Pt and Ru, at least a second element selected from the group consisting of Zr, Hf, Si, Ir, Ru, Pd and Ni, and at least a third element selected from the group consisting of Si, Cu, Cr, Fe, Mo, Co, Al, Zr, Hf, Ni and Ru have excellent machining characteristics, heat-resistant characteristics, corrosion resistance and adhesion resistance. Using the alloys as the molding surface of a die, a heat resistant molding die for forming glass optical device having fine structure for performing high definite functions became possible to manufacture with excellent machining characteristics.Type: GrantFiled: October 18, 2006Date of Patent: October 30, 2012Assignee: Tokyo Institute of TechnologyInventors: Seiichi Hata, Jyunpei Sakurai, Akira Shimokohbe, Shigeru Hosoe, Hiroyuki Nabeta
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Patent number: 8293036Abstract: The present disclosure relates to a glass forming alloy. The glass forming alloy may include 43.0 atomic percent to 68.0 atomic percent iron, 10.0 atomic percent to 19.0 atomic percent boron, 13.0 atomic percent to 17.0 atomic percent nickel, 2.5 atomic percent to 21.0 atomic percent cobalt, optionally 0.1 atomic percent to 6.0 atomic percent carbon, and optionally 0.3 atomic percent to 3.5 atomic percent silicon. Furthermore, the glass forming alloy includes between 5% to 95% by volume one or more spinodal glass matrix microconstituents which include one or more semi-crystalline or crystalline phases at a length scale less than 50 nm in a glass matrix. In addition, the glass forming alloy is capable of blunting shear bands through localized deformation induced changes under tension.Type: GrantFiled: November 4, 2009Date of Patent: October 23, 2012Assignee: The NanoSteel Company, Inc.Inventors: Daniel James Branagan, Brian E. Meacham, Jikou Zhou, Alla V. Sergueeva
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Publication number: 20120247622Abstract: Mechanical hooks made of bulk-solidifying amorphous alloys, wherein the bulk-solidifying amorphous alloys provide ruggedness, durability, higher service loads, excellent resistance to chemical and environmental effects, and low-cost manufacturing are provided. In addition, methods of making such mechanical hooks from bulk-solidifying amorphous alloys are also disclosed.Type: ApplicationFiled: June 12, 2012Publication date: October 4, 2012Applicant: CRUCIBLE INTELLECTUAL PROPERTY, LLCInventors: Dennis Ogawa, Quoc Tran Pham, Atakan PEKER
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Patent number: 8277579Abstract: An amorphous alloy has a specific composition of FeaBbSicPxCuy. Here, the values a-c, x, and y meet such conditions that 73 at %?a?85 at %, 9.65 at %?b?22 at %, 9.65 at %?b+c?24.75 at %, 0.25 at %?x?5 at %, 0 at %?y?0.35 at %, and 0?y/x?0.5.Type: GrantFiled: December 4, 2007Date of Patent: October 2, 2012Assignee: Tohoku Techno Arch Co., Ltd.Inventor: Akihiro Makino
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Publication number: 20120222785Abstract: A heat treatment process for an amorphous alloy die cast comprises: the amorphous alloy die cast is subjected to an aging treatment at a temperature of about 0.5-0.6 Tg, for a time of about 10 minutes to about 24 hours. The amorphous alloy die cast comprises Zr, and is represented by a formula of (Zr1?xTix)a(Cu1?yNiy)bAlcMd, in which M is selected from the group consisting of: Be, Y, Sc, La, and combinations thereof, 38?a?65, 0?x?0.45, 0?y?0.75, 20?b?40, 0?c?15, 0?d?30, and the sum of a, b, c, and d in atomic percentages equals to 100.Type: ApplicationFiled: March 27, 2012Publication date: September 6, 2012Inventors: Yunchun LI, Faliang Zhang
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Publication number: 20120222780Abstract: A method of making a Zr-rich amorphous alloy article includes providing a Zr-rich master alloy made of an Zr—Cu—Al—Ni—Nb alloy, in which the purity of the raw Zr is substantially in a range of 98% to 99.9%; providing a vacuum induction furnace, and melting the Zr-rich master alloy in the furnace at a temperature in a range of 1100 degrees Celsius to 1200 degrees Celsius; cooling the master alloy to a temperature in a range from 800 degrees Celsius to 900 degrees Celsius in 30 min to 40 min; casting the master alloy into ingots, and then cooling the ingots to a temperature in a range from 200 degrees Celsius to 350 degrees Celsius; and die casting the alloy ingots to obtain Zr-rich amorphous alloy articles with thicknesses in a range of 0.5 mm to 2 mm. A Zr-rich amorphous alloy article made by the above-mentioned method is further provided.Type: ApplicationFiled: September 20, 2011Publication date: September 6, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD .Inventors: XIAO-BO YUAN, YI-MIN JIANG, JUN-QI LI
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Publication number: 20120199251Abstract: A composition includes a base and a weld member welded to the base to form a weld area. Both the weld member and the base are made of Zr-rich bulk amorphous alloy. The weld member includes a main body and a weld portion disposed at an end of the main body. A thickness of the weld portion is less than that of the main body. The weld portion has a thickness of about 1.00 mm to about 1.30 mm, and the weld area of the composition is in an amorphous state.Type: ApplicationFiled: April 19, 2012Publication date: August 9, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: KYOUNG-SUN SOHN, XIAO-BO YUAN, HO-DO LEE, SHI-HUN LEE
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Publication number: 20120186733Abstract: Amorphous alloy armor made of at least one thin layer of bulk-solidifying amorphous alloys and methods of forming such armor are provided. Forming the armor in accordance with the current invention provides ruggedness, a lightweight structure, excellent resistance to chemical and environmental effects, and low-cost manufacturing.Type: ApplicationFiled: November 9, 2009Publication date: July 26, 2012Inventor: Gerald A. Croopnick
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Patent number: 8221561Abstract: An amorphous alloy having the general formula of: (ZrxAlyCuzNi1-x-y-z)100-a-bSCaYb, wherein x, y, and z are atomic percents, and a and b are atom molar ratios, in which: about 0.45?x?about 0.60; about 0.08?y?about 0.12; about 0.25?z?about 0.35; 0<a?about 5; and 0?b<about 0.1.Type: GrantFiled: December 2, 2011Date of Patent: July 17, 2012Assignee: BYD Company LimitedInventors: Qing Gong, Yongxi Jian, Faliang Zhang
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Publication number: 20120171469Abstract: This invention relates to thermally sprayed coatings having an amorphous-nanocrystalline-microcrystalline composition structure, said thermally sprayed coating comprising from about 1 to about 95 volume percent of an amorphous phase, from about 1 to about 80 volume percent of a nanocrystalline phase, and from about 1 to about 90 volume percent of a microcrystalline phase, and wherein said amorphous phase, nanocrystalline phase and microcrystalline phase comprise about 100 volume percent of said thermally sprayed coating. This invention also relates to methods for producing the coatings, thermal spray processes for producing the coatings, and articles coated with the coatings. The thermally sprayed coatings of this invention provide enhanced wear and corrosion resistance for articles used in severe environments (e.g., landing gears, airframes, ball valves, gate valves (gates and seats), pot rolls, and work rolls for paper processing).Type: ApplicationFiled: November 19, 2007Publication date: July 5, 2012Inventors: Tetyana P. Shmyreva, James Knapp, Ardy Simon Kleyman
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Publication number: 20120168037Abstract: The invention is directed to Pd-based metallic glass alloys useful in biomedical applications having no Ni or Cu. Exemplary metallic glass alloys are represented by AaBb{(Si)100-c(D)c}d, where A may be selected from Pd, and combinations of Pd and Pt, B may be selected from Ag, Au, Co, Fe, and combinations thereof, and D may be selected from P, Ge, B, S. Also, a, b, c and d are atomic percentages, and a ranges from about 60 to about 90, b ranges from about 2 to about 18, d ranges from about 5 to about 25, and c is greater than 0 and less than 100.Type: ApplicationFiled: December 15, 2011Publication date: July 5, 2012Applicant: California Institute of TechnologyInventors: Marios D. Demetriou, William L. Johnson
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Publication number: 20120168036Abstract: The invention is directed to Pd-based metallic glass alloys useful in biomedical applications having no Ni or Cu. Exemplary metallic glass alloys are represented by AaBb{(Si)100-c(D)c}d, where A may be selected from Pd, and combinations of Pd and Pt, B may be selected from Ag, Au, Co, Fe, and combinations thereof, and D may be selected from P, Ge, B, S. Also, a, b, c and d are atomic percentages, and a ranges from about 60 to about 90, b ranges from about 2 to about 18, d ranges from about 5 to about 25, and c is greater than 0 and less than 100.Type: ApplicationFiled: November 29, 2011Publication date: July 5, 2012Applicant: California Institute of TechnologyInventors: Marios D. Demetriou, Aaron Wiest, William L. Johnson
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Publication number: 20120160374Abstract: The present invention relates to a surface treating method for making an amorphous alloy component. The surface treatment method includes the following steps: an amorphous alloy sheet is provided; the amorphous alloy sheet is fixed into a dry blast machine; and the surface of the amorphous alloy sheet is treated by sandblasting. In the sandblasting step, air pressure is controlled to be in a range from about 1.5 gf/cm2 to 6.0 kgf/cm2 and blasting time is in a range from about 1 second to 60 seconds; the sand used in sandblasting is preferably selected from a group consisting of aluminium oxide, zirconium dioxide and silicon dioxide, and a grain size of the sand is in a range from about 100 ?m to 250 ?m.Type: ApplicationFiled: May 10, 2011Publication date: June 28, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTDInventors: YANG-YONG LI, YI-MIN JIANG
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Patent number: 8206520Abstract: The present disclosure relates to an iron based alloy composition that may include iron present in the range of 45 to 70 atomic percent, nickel present in the range of 10 to 30 atomic percent, cobalt present in the range of 0 to 15 atomic percent, boron present in the range of 7 to 25 atomic percent, carbon present in the range of 0 to 6 atomic percent, and silicon present in the range of 0 to 2 atomic percent, wherein the alloy composition exhibits an elastic strain of greater than 0.5% and a tensile strength of greater than 1 GPa.Type: GrantFiled: August 25, 2009Date of Patent: June 26, 2012Assignee: The Nano Steel Company, Inc.Inventors: Daniel James Branagan, Brian E. Meacham, Alla V. Sergueeva
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Patent number: 8197615Abstract: Mechanical hooks made of bulk-solidifying amorphous alloys, wherein the bulk-solidifying amorphous alloys provide ruggedness, durability, higher service loads, excellent resistance to chemical and environmental effects, and low-cost manufacturing are provided. In addition, methods of making such mechanical hooks from bulk-solidifying amorphous alloys are also disclosed.Type: GrantFiled: October 24, 2005Date of Patent: June 12, 2012Assignee: Crucible Intellectual Property, LLCInventors: Dennis Ogawa, Quoc Tran Pham, Atakan Peker
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Patent number: 8187720Abstract: A method of forming a corrosion resistant neutron absorbing coating comprising the steps of spray or deposition or sputtering or welding processing to form a composite material made of a spray or deposition or sputtering or welding material, and a neutron absorbing material. Also a corrosion resistant neutron absorbing coating comprising a composite material made of a spray or deposition or sputtering or welding material, and a neutron absorbing material.Type: GrantFiled: November 9, 2006Date of Patent: May 29, 2012Assignees: Lawrence Livermore National Security, LLC, Sandia National LaboratoriesInventors: Jor-Shan Choi, Joseph C. Farmer, Chuck K. Lee, Jeffrey Walker, Paige Russell, Jon Kirkwood, Nancy Yang, Victor Champagne
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Publication number: 20120103478Abstract: Bulk metallic articles having a high-aspect ratio that are formed of bulk metallic glass, that are net-shaped and that are produced under process conditions that maximize the quality and integrity of the parts as well as the life of the mold tool, thus minimizing production costs, and manufacturing methods for producing such articles are provided.Type: ApplicationFiled: August 31, 2011Publication date: May 3, 2012Applicant: California Institute of TechnologyInventors: William L. Johnson, Marios D. Demetriou, Joseph P. Schramm, Georg Kaltenboeck
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Publication number: 20120103477Abstract: The present invention is directed at metal alloys that are capable of forming spinodal glass matrix microconstituent structure. The alloys are iron based and include nickel, boron, silicon and optionally chromium. The alloys exhibit ductility and relatively high tensile strengths and may be in the form of sheet, ribbon, wire, and/or fiber. Applications for such alloys are described.Type: ApplicationFiled: November 2, 2011Publication date: May 3, 2012Applicant: THE NANOSTEEL COMPANY, INC.Inventors: Daniel James BRANAGAN, Brian E. MEACHAM, Jason K. WALLESER, Alla V. SERGUEEVA, Andrew T. BALL, Grant G. JUSTICE
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Patent number: 8163109Abstract: A class of high-density bulk metallic glass hafnium-based alloys, having copper, nickel, aluminum, tin, and titanium or niobium as alloying elements is disclosed. This class includes alloys having higher densities and a higher reduced glass-transition temperature than other known refractory metallic glass alloys.Type: GrantFiled: September 29, 2009Date of Patent: April 24, 2012Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Laszlo J. Kecskes, Brian T. Edwards, Robert H. Woodman
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Publication number: 20120094141Abstract: A welding method is provided which makes it possible to obtain a joint body having a sufficient strength by selecting a metal glass and a crystalline metal having given conditions. According to the present invention, there is provided a welding method of applying energy to an interface where a metal glass and a crystalline metal make contact with each other or to the metal glass near the interface, of forming a molten layer by heating and melting the metal glass and of performing welding, in which the molten layer after the metal glass and the crystalline metal have been joined together has a glass formation ability, the metal glass has a glass formation ability in which a nose time of a TTT curve when a solid of the metal glass is reheated is 0.Type: ApplicationFiled: March 18, 2010Publication date: April 19, 2012Inventors: Yoshihito Kawamura, Jonghyun Kim, Hironori Kuroki, Yuji Yanagida, Naohisa Sawai, Masafumi Miyajima
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Publication number: 20120092111Abstract: An Fe-based amorphous alloy of the present invention has a composition formula represented by Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit, and in the formula, 0 at %?a?10 at %, 0 at %?b?3 at %, 0 at %?c?6 at %, 6.8 at %?x?10.8 at %, 2.2 at %?y?9.8 at %, 0 at %?z?4.2 at %, and 0 at %?t?3.9 at % hold. Accordingly, an Fe-based amorphous alloy used for a powder core and/or a coil encapsulated powder core having a low glass transition temperature (Tg), a high conversion vitrification temperature (Tg/Tm), and excellent magnetization and corrosion resistance can be manufactured.Type: ApplicationFiled: December 19, 2011Publication date: April 19, 2012Applicant: ALPS GREEN DEVICES CO., LTD.Inventors: Keiko TSUCHIYA, Hisato KOSHIBA, Kazuya KANEKO, Seiichi ABIKO, Takao MIZUSHIMA
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Patent number: 8147622Abstract: Embodiments of the present disclosure are directed to an Fe-based amorphous magnetic alloy and method that includes 4 at. % or less of a low temperature annealing-enabling element M and 10 at. % or less of nickel (Ni). The total amount of the low temperature annealing-enabling element M and nickel (Ni) may be 2 at. % or more and 10 at. % or less.Type: GrantFiled: December 14, 2007Date of Patent: April 3, 2012Assignee: Alps Green Devices Co. Ltd.Inventors: Hisato Koshiba, Keiko Tsuchiya, Kinshiro Takadate
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Publication number: 20120073707Abstract: A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (ZraM1-a)100-xOx, in which a is an atomic fraction of Zr, and x is an atomic percent of 0, in which: 0.3?a?0.9, and 0.02?x?0.6; and M represents at least three elements selected from the group consisting of transition metals other than Zr, Group IIA metals, and Group IIIA metals.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Inventors: Qing Gong, Faliang Zhang, Yunchun Li, Jiangtao Qu, Xiaolei Hu
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Publication number: 20120076946Abstract: A system for coating a surface comprising providing a source of amorphous metal that contains more than 11 elements and applying the amorphous metal that contains more than 11 elements to the surface by a spray. Also a coating comprising a composite material made of amorphous metal that contains more than 11 elements. An apparatus for producing a corrosion-resistant amorphous-metal coating on a structure comprises a deposition chamber, a deposition source in the deposition chamber that produces a deposition spray, the deposition source containing a composite material made of amorphous metal that contains more than 11 elements, and a system that directs the deposition spray onto the structure.Type: ApplicationFiled: November 7, 2011Publication date: March 29, 2012Applicant: Lawrence Livermore National Security, LLCInventor: Joseph C. Farmer
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Publication number: 20120073709Abstract: An amorphous alloy having the general formula of: (ZrxAlyCuzNi1-x-y-z)100-a-bSCaYb, wherein x, y, and z are atomic percents, and a and b are atom molar ratios, in which: about 0.45?x?about 0.60; about 0.08?y?about 0.12; about 0.25?z?about 0.35; 0<a?about 5; and 0?b<about 0.1.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Inventors: Qing Gong, Yongxi Jian, Faliang Zhang
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Publication number: 20120073706Abstract: Alloys and methods for preparing the same are provided. The alloys are represented by the general formula of ZraAlbCucNid)100-e-fYeMf, wherein a, b, c, and d are atomic fractions, in which: 0.472?a?0.568; 0.09?b?0.11; 0.27?c?0.33; 0.072?d?0.088; the sum of a, b, c, and d equals 1; e and f are atomic numbers of elements Y and M respectively, in which 0?e?5 and 0.01?f?5; and M is selected from the group consisting of Nb, Ta, Sc, and combinations thereof.Type: ApplicationFiled: November 30, 2011Publication date: March 29, 2012Inventors: Qing Gong, Faliang Zhang, Yongxi Jian
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Publication number: 20120067466Abstract: The present disclosure discloses an amorphous alloy composite material comprises an amorphous and continuous matrix phase, and a plurality of equiaxed crystalline phases as reinforcing phases dispersed in the matrix phase. Oxygen content in the amorphous alloy composite material may be less than 2100 ppm. The present disclosure also discloses a method of preparing the same. With the equiaxed crystalline phases dispersed in the matrix phase, the plasticity of the amorphous alloy composite material may be improved considerably.Type: ApplicationFiled: May 11, 2010Publication date: March 22, 2012Applicant: BYD Company LimitedInventors: Qing Gong, Zhijin Ma, Jiangtao Qu, Zhengyan Guo, Faliang Zhang
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Publication number: 20120056234Abstract: Disclosed are a heat dissipation material comprising a metallic glass and an organic vehicle and a light emitting diode package including at least one of a junction part, wherein the junction part includes a heat dissipation material including a metallic glass.Type: ApplicationFiled: August 19, 2011Publication date: March 8, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun Sung Lee, Sang Soo Jee, Kun Mo Chu, Se Yun Kim, Kyu Hyoung Lee, Sang Mock Lee
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Publication number: 20120024431Abstract: The present invention relates to an amorphous alloy and a method for manufacturing thereof. The amorphous alloy according to the present invention includes has a chemical formula of Ni100-a-b-c-d-e-fNbaZrbTicTadMeIf, wherein the M is at least one selected from a group of Sn and Si, wherein the I is at least one selected from a group of C and O, and wherein the a, b, c, d, e, and f are satisfied with the compositions of 10.0 wt %?a?25.0 wt %, 5.0 wt %?b?25.0 wt %, 5.0 wt %?c?10.0 wt %, 0.0 wt %?d?25.0 wt %, 0.0 wt %?e?6.5 wt %, 0.0 wt %?f?0.5 wt %, respectively.Type: ApplicationFiled: October 6, 2011Publication date: February 2, 2012Applicant: Korea Institute of Science and TechnologyInventors: Eric FLEURY, Jayaraj Jayamani, Ki-bae Kim, Mee-soon Lee, Hyun-kwang Seok, Yu-chan Kim, Kwang-youn Kim, Do-hyang Kim
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Publication number: 20120006522Abstract: Disclosed are amorphous, ductile brazing foils with a composition consisting essentially of FeRestNiaCrbSicBdPe, wherein 0 atomic %?a<25 atomic %; 0 atomic %?b?15 atomic %; 1 atomic %?c?10 atomic %; 4 atomic %?d?15 atomic %; 1 atomic %?e?9 atomic %; any impurities?0.5 atomic %; rest Fe, wherein 2 atomic %?c+e?10 atomic % and 15 atomic %?c+d+e?22 atomic %, or consisting essentially of FeRestNiaCrbMofCugSicBdPe, wherein 0 atomic %?a<25 atomic %; 0 atomic %?b?15 atomic %; 1 atomic %<c?10 atomic %; 4 atomic %?d?15 atomic %; 1 atomic %?e?9 atomic %; 0 atomic %<f?3 atomic %; 0 atomic %?g?3 atomic %; any impurities?0.5 atomic %; rest Fe, wherein 2 atomic %?c+e?10 atomic % and 15 atomic %?c+d+e?22 atomic %. Also disclosed are brazed objects formed using these foils, particularly exhaust gas recirculation coolers and oil coolers, and methods for making the brazing foils and for making the brazed parts.Type: ApplicationFiled: September 21, 2011Publication date: January 12, 2012Applicant: Vacuumschmelze GmbH & Co. KGInventors: Thomas HARTMANN, Dieter Nuetzel
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Patent number: 8083867Abstract: Even if produced from a broad amorphous alloy ribbon, a nano crystal soft magnetic alloy, a magnetic core made of a nano crystal soft magnetic alloy, and the amorphous alloy ribbon for a nano crystal soft magnetic alloys which has the excellent alternate magnetic property, the small dispersion, the excellent temporal stability in high temperature, the excellent mass productivity can be provided. An amorphous alloy ribbon, wherein the alloy composition is represented by Fe100-a-b-c-dMaSibBcCd (atomic %), 0<a?10, 0?b?20, 2?c?20, 0<d?2, 9?a+b+c+d?35, and an amorphous alloy ribbon consists of inevitable impurities, and said M is at least one element selected from Ti, V, Zr, Nb, Mo, Hf, Ta, and W, and C concentration takes maximum value at 2-20 nm depth from the surface of said amorphous alloy with equivalent SiO2.Type: GrantFiled: September 21, 2006Date of Patent: December 27, 2011Assignee: Hitachi Metals, Ltd.Inventors: Yoshihito Yoshizawa, Yuichi Ogawa
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Publication number: 20110308670Abstract: The invention includes a method of producing a hard metallic material by forming a mixture containing at least 55% iron and at least one of B, C, Si and P. The mixture is formed into an alloy and cooled to form a metallic material having a hardness of greater than about 9.2 GPa. The invention includes a method of forming a wire by combining a metal strip and a powder. The metal strip and the powder are rolled to form a wire containing at least 55% iron and from two to seven additional elements including at least one of C, Si and B. The invention also includes a method of forming a hardened surface on a substrate by processing a solid mass to form a powder, applying the powder to a surface to form a layer containing metallic glass, and converting the glass to a crystalline material having a nanocrystalline grain size.Type: ApplicationFiled: January 5, 2004Publication date: December 22, 2011Inventor: Daniel J. Branagan
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Publication number: 20110308671Abstract: A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (ZraM1-a)100-xOx, in which a is an atomic fraction of Zr, and x is an atomic percent of O, in which: 0.3?a?0.9, and 0.02?x?0.6, and M may represent at least three elements selected from the group consisting of transition metals other than Zr, Group IIA metals, and Group IIIA metals in the Periodic Table of Elements.Type: ApplicationFiled: October 22, 2010Publication date: December 22, 2011Applicant: BYD COMPANY LIMITEDInventors: Qing Gong, Fallang Zhang, Yunchun Li, Jiangtao Qu, Xiaolei Hu
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Patent number: 8075712Abstract: A system for coating a surface comprising providing a source of amorphous metal that contains more than 11 elements and applying the amorphous metal that contains more than 11 elements to the surface by a spray. Also a coating comprising a composite material made of amorphous metal that contains more than 11 elements. An apparatus for producing a corrosion-resistant amorphous-metal coating on a structure comprises a deposition chamber, a deposition source in the deposition chamber that produces a deposition spray, the deposition source containing a composite material made of amorphous metal that contains more than 11 elements, and a system that directs the deposition spray onto the structure.Type: GrantFiled: November 13, 2006Date of Patent: December 13, 2011Assignee: Lawrence Livermore National Security, LLCInventor: Joseph C. Farmer
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Patent number: 8070891Abstract: The present invention relates to an amorphous alloy and a method for manufacturing thereof. The amorphous alloy according to the present invention includes has a chemical formula of Feioo-a-b-c-d-e-f-gCraMobCcBaYeMflg. Here, the M is at least one selected from a group consisting of Al, Co, N1 and Ni, and the I is at least one selected from a group consisting of Mn, P, S, and O as impurities. The a, b, c, d, e, f, and g are satisfied with the compositions of 16.0 wt %?a<22.0 wt %, 15.0 wt %<b?27.0 wt %, 2.0 wt %?c<3.5 wt %, 1.0 wt %<d?1.5 wt %, 1.0 wt %<e?3.5 wt %, 0.25 wt %<f?3.0 wt %, and 0.01 wt %?g<0.5 wt %, respectively.Type: GrantFiled: December 30, 2005Date of Patent: December 6, 2011Assignee: Korea Institute of Science and TechnologyInventors: Eric Fleury, Jayaraj Jayamani, Ki-bae Kim, Mee-soon Lee, legal representative, Hyun-kwang Seok, Yu-chan Kim, Kwang-youn Kim, Dohyang Kim
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Patent number: 8066827Abstract: The invention is directed to Pd-based metallic glass alloys useful in biomedical applications having no Ni or Cu. Exemplary metallic glass alloys are represented by AaBb{(Si)100-c(D)c}d, where A may be selected from Pd, and combinations of Pd and Pt, B may be selected from Ag, Au, Co, Fe, and combinations thereof, and D may be selected from P, Ge, B, S. Also, a, b, c and d are atomic percentages, and a ranges from about 60 to about 90, b ranges from about 2 to about 18, d ranges from about 5 to about 25, and c is greater than 0 and less than 100.Type: GrantFiled: July 14, 2008Date of Patent: November 29, 2011Assignee: California Institute of TechnologyInventors: Marios D. Demetriou, Aaron Wiest, William L. Johnson
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Publication number: 20110284135Abstract: Design and fabrication processes and compositions for iron-based bulk metallic glass materials or amorphous steels. Examples of bulk metallic glasses based on the described compositions may contain approximately 59 to 70 atomic percent of iron, which is alloyed with approximately 10 to 20 atomic percent of metalloid elements and approximately 10 to 25 atomic percent of refractory metals. The compositions can be designed using theoretical calculations of the liquidus temperature to have substantial amounts of refractory metals, while still maintaining a depressed liquidus temperature. The alloying elements are molybdenum, tungsten, chromium, boron, and carbon may be used. Some of the resulting alloys are ferromagnetic at room temperature, while others are non-ferromagnetic. These amorphous steels have increased specific strengths and corrosion resistance compared to conventional high strength steels.Type: ApplicationFiled: July 29, 2011Publication date: November 24, 2011Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Kenneth S. Vecchio, Justin Cheney
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Patent number: 8062436Abstract: The present disclosure relates to a near metallic glass based alloy wherein the alloy includes at least 40 atomic percent iron, greater than 10 atomic percent of at least one or more metalloids, and less than 50 atomic percent of at least two or more transition metals, wherein one of said transition metals is Mo said alloy exhibits a tensile strength of 2400 MPa or greater and an elongation of greater than 2%.Type: GrantFiled: November 10, 2008Date of Patent: November 22, 2011Assignee: The NanoSteel Company, Inc.Inventors: Daniel James Branagan, Alla V. Sergueeva