Abstract: 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.

Abstract: A titanium alloy has high strength and superior workability and is preferably used for various structural materials for automobiles, etc. The titanium alloy is obtained by the following production method. An alloy having a structure of ?? martensite phase is hot worked at conditions at which dynamic recrystallization occurs. The working is performed at a heating rate of 50 to 800° C./second at a strain rate of 0.01 to 10/second when the temperature is 700 to 800° C. or at a strain rate of 0.1 to 10/second when the temperature is more than 800° C. and less than 1000° C. so as to provide a strain of not less than 0.5. Thus, equiaxed crystals with an average grain size of less than 1000 nm are obtained.

Abstract: Articles that are cast from a particular titanium alloy can achieve a relatively high fatigue strength. The titanium alloy is an (?+?) titanium alloy that has a nominal composition of about 5.5 to about 6.63 mass percent aluminum, about 3.5 to about 4.5 mass percent vanadium, about 1.0 to about 2.5 mass percent chromium, maximum of 0.50 mass percent iron, about 0.15 to about 0.25 mass percent oxygen, about 0.06 to about 0.12 mass percent silicon, and at least 80 mass percent titanium or the balance titanium (Ti) with the exception of some allowable impurities. In one exemplary application, this titanium alloy may be used to cast a turbocharger compressor wheel.

Abstract: The present invention relates to a device comprising a substrate based essentially on nitinol and, arranged thereon at least partially, a covering or a coating based on at least one polyphosphazene derivative having the general formula (I), a process for its production, and the use of the device as an artificial implant, vascular or nonvascular stent, catheter, thrombolectomy or embolectomy catheter, fragmentation spindle or catheter, filter, vascular connector, hernia patch, oral, dental or throat implant or urether.

Abstract: Disclosed is a zirconium alloy material having high corrosion resistance regardless of thermal history during its manufacturing process. The zirconium alloy material is obtained by providing a zirconium alloy containing on the mass basis: 0.001% to 1.9% of Sn, 0.01% to 0.3% of Fe, 0.01% to 0.3% of Cr, 0.001% to 0.3% of Ni, 0.001% to 3.0% of Nb, 0.027% or less of C, 0.025% or less of N, 4.5% or less of Hf and 0.16% or less of O with the remainder being inevitable impurities and zirconium, being formed of a bulk alloy and a surface layer, in which the surface layer has a plastic strain of 3 or more or a Vickers hardness of 260 HV or more and an arithmetic mean surface roughness Ra of 0.2 ?m or less.

Abstract: The present invention relates to a binary single phase titanium-zirconium alloy suitable for the production of surgical implants. The alloy includes a zirconium content of less than 25% but more than 5% by weight, and 0.1% to 0.3% by weight of oxygen as a strength enhancing additive, and not more than 1% by weight of other strength enhancing additives and technical impurities.

Abstract: 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.

Abstract: The invention relates to a method of producing a flat zirconium alloy product with a Kearns factor (cross direction) of between 0.3 and 0.7. The inventive method consists in: producing an ingot containing Nb=0.5 to 3.5%, Sn=0 to 1.5%, Fe=0 to 0.5%, Cr+V=0 to 0.3%, S=0 to 100 ppm, O=0 to 2000 ppm, Si=0 to 150 ppm, the remainder being zirconium and impurities; shaping the aforementioned ingot; performing one or more hot rolling operations in order to obtain a flat product, whereby the last operation is performed at between(810?20×Nb %)° C. and 1100° C. and is not followed by any quenching from phase ?+? or ?; optionally performing an annealing operation at a maximum of 800° C.; and performing one or more cold rolling and annealing operations, said annealing operations being performed at a maximum of 800° C. The invention also relates to the flat zirconium alloy product thus obtained.

Abstract: A method for refining the microstructure of titanium alloys in a single thermomechanical processing step, wherein the titanium alloy comprises boron. In some embodiments, the method comprises the steps of first adding boron to the titanium alloy then subjecting the boron-containing titanium alloy to a thermomechanical processing step. Also provided is a method for achieving superplasticity in titanium alloys comprising the steps of selecting a boron-containing titanium alloy, determining the temperature and strain rate necessary to achieve beta superplasticity, and applying sufficient temperature and strain rate to the boron-containing titanium alloy to deform the alloy to the desired shape. Also provided methods of forming titanium alloy parts and the parts prepared by these methods.

Abstract: An Ag sputtering target 6 has three-dimensional fluctuation of grain sizes of not more than 18%. The fluctuation is determined by exposing plural sputtering surfaces by slicing the sputtering target 6 in planes to initial sputtering surface, selecting plural locations on each of the exposed sputtering surfaces, calculating values A1 and B1 using the formula below, and selecting larger one of the values A1 and B1 as the three-dimensional fluctuation of the grain sizes. A1=(Dmax?Dave)/Dave×100(%) B1=(Dave<Dmin)/Dave×100(%) Dmax: maximum value among the grain sizes D at all the selected locations Dmin: minimum value among the grain sizes D at all the selected locations Dave: average value of the grain sizes D at all the selected locations.

Abstract: A method for manufacturing a sheet metal for use in a boiling water nuclear reactor and such a sheet metal. The method includes providing a material of a zirconium alloy that includes zirconium, and whose main alloying materials include niobium. The material is annealed so that essentially all niobium containing secondary phase particles are transformed to ?-niobium particles.

Abstract: A metallic article is prepared by first furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively containing the constituent elements of the metallic article in their respective constituent-element proportions. The constituent elements together form a titanium-base alloy having a stable-oxide-forming additive element therein, such as magnesium, calcium, scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, and mixtures thereof. The stable-oxide-forming additive element forms a stable oxide in a titanium-based alloy. At least one additive element is present at a level greater than its room-temperature solid solubility limit in the titanium-base alloy. The precursor compounds are chemically reduced to produce an alloy material, without melting the alloy material. The alloy material may be consolidated.

Abstract: A titanium alloy contains Ni in a content of 0.35% to 0.55%; Pd in a content of 0.01% to 0.02%; Ru in a content of 0.02% to 0.04%; and Cr in a content of 0.1% to 0.2%, with the remainder including titanium and inevitable impurities, in which the titanium alloy includes nickel-rich phases, each nickel-rich phase being a phase (other than titanium alpha phase) locally containing Ni in a content of 10 times or more the average Ni content of the titanium alloy, the nickel-rich phases are aligned along a rolling direction to form a row, and a multiplicity of the rows are aligned substantially in parallel in a cross direction. The titanium alloy minimizes the proceeding of intergranular corrosion even in specific environments where the intergranular corrosion may easily proceed.

Abstract: A high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof. Specifically, disclosed are a high Fe-containing zirconium composition having excellent corrosion resistance and a preparation method thereof, the composition comprising: 0.5-1.0 wt % iron; 0.25-0.5 wt % chromium; 0.06-0.18 wt % oxygen; at least one element selected from the group consisting of 0.2-0.5 wt % tin, 0.1-0.3 wt % niobium and 0.05-0.3 wt % copper; and the balance of zirconium. The zirconium alloy has excellent corrosion resistance, and thus can be used as a material for nuclear fuel claddings, spacer grids and nuclear reactor core structures in light water reactor and heavy water reactor nuclear power plants.

Abstract: A hafnium alloy target containing either or both of Zr and Ti in a gross amount of 100 wtppm-10 wt % in Hf, wherein the average crystal grain size is 1-100 ?m, the impurities of Fe, Cr and Ni are respectively 1 wtppm or less, and the habit plane ratio of the plane {002} and three planes {103}, {014} and {015} lying within 35° from {002} is 55% or greater, and the variation in the total sum of the intensity ratios of these four planes depending on locations is 20% or less. As a result, obtained is a hafnium alloy target having favorable deposition property and deposition speed, which generates few particles, and which is suitable for forming a high dielectric gate insulation film such as HfO or HfON film, and the manufacturing method thereof.

Abstract: A method for producing a component of a titanium-aluminum base alloy comprising hot isostatically pressing the alloy to form a blank, subjecting the blank to a hot forming by a rapid solid-blank deformation, followed by a cooling of the component to form a deformation microstructure with high recrystallization energy potential, thereafter subjecting the component to a heat treatment in the range of the eutectoid temperature (Teu) of the alloy, followed by cooling in air, to form a homogeneous, fine globular microstructure composed of phases GAMMA, BETA0, ALPHA2 and having an ordered atomic structure at room temperature. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: Provided herein are titanium alloys that can achieve a combination of high strength and high toughness or elongation, and a method to produce the alloys. By tolerating iron, oxygen, and other incidental elements and impurities, the alloys enable the use of lower quality scrap as raw materials. The alloys are castable and can form ?-phase laths in a basketweave morphology by a commercially feasible heat treatment that does not require hot-working or rapid cooling rates. The alloys comprise, by weight, about 3.0% to about 6.0% aluminum, 0% to about 1.5% tin, about 2.0% to about 4.0% vanadium, about 0.5% to about 4.5% molybdenum, about 1.0% to about 2.5% chromium, about 0.20% to about 0.55% iron, 0% to about 0.35% oxygen, 0% to about 0.007% boron, and 0% to about 0.60% other incidental elements and impurities, the balance of weight percent comprising titanium.

Abstract: A method of forming an article from an ??? titanium including, in weight percentages, from about 2.9 to about 5.0 aluminum, from about 2.0 to about 3.0 vanadium, from about 0.4 to about 2.0 iron, from about 0.2 to about 0.3 oxygen, from about 0.005 to about 0.3 carbon, from about 0.001 to about 0.02 nitrogen, and less than about 0.5 of other elements. The method comprises cold working the ??? titanium alloy.

Abstract: Disclosed herein are zirconium-based alloys that may be fabricated to form nuclear reactor components, particularly fuel cladding tubes, that exhibit sufficient corrosion resistance and hydrogen absorption characteristics, without requiring a late stage ?+? or ?-quenching processes. The zirconium-base alloys will include between about 1.30-1.60 wt % tin; 0.0975-0.15 wt % chromium; 0.16-0.24 wt % iron; and up to about 0.08 wt % nickel, with the total content of the iron, chromium and nickel comprising at least about 0.3175 wt % of the alloy. The resulting components will exhibit a surface region having a mean precipitate sizing of between about 50 and 100 nm and a Sigma A of less than about 2×10?19 hour with the workpiece processing generally being limited to temperatures below 680° C. for extrusion and below 625° C. for all other operations, thereby simplifying the fabrication of the nuclear reactor components while providing corrosion resistance comparable with conventional alloys.

Abstract: A nanometer-sized porous metallic glass and a method for manufacturing the same are provided. The porous metallic glass includes Ti (titanium) at 50.0 at % to 70.0 at %, Y (yttrium) at 0.5 at % to 10.0 at %, Al (aluminum) at 10.0 at % to 30.0 at %, Co (cobalt) at 10.0 at % to 30.0 at %, and impurities. Ti +Y+Al+Co+the impurities=100.0 at %.

Abstract: A titanium alloy containing carbon with and without addition of silicon exhibiting improved corrosion resistance and mechanical strength as compared to commercially pure ASTM grade 2 titanium or PGM-alloyed ASTM grade 7 titanium.

Abstract: A titanium alloy which, even under the influence of high application temperatures, has a low tendency to becoming brittle as a result of coarse grain formation, comprises (in wt. %) Fe: ?2%, Si: 0.01 to 0.8%, 0: ?0.3%, C: ?0.1%, one or more elements of the Lanthanide group at total levels of 0.01-2% and, optionally, one or more elements of Al and O at total levels of a maximum of 1%, one or more elements of Mo, Ta, Nb, Zr, Mn, Cr, Co, Ni, Cu, V, Si, and H at total levels of a maximum of 3%, the remainder being titanium and unavoidable impurities.

Abstract: A method of heat treating a superalloy component includes solution heat treating the component at a temperature below the gamma prime solvus temperature to produce a fine grain structure. Insulation is placed over a first area to form an insulated assembly that is placed in a furnace at a temperature below the solvus temperature and maintained at that temperature for a predetermined time to achieve a uniform temperature. The temperature is increased at a predetermined rate to a temperature above the solvus temperature to maintain a fine grain structure in a first region, produce a coarse grain structure in a second region and produce a transitional structure in a third region between the first and second regions. The insulated assembly is removed from the furnace when the second region has been above the solvus temperature for a predetermined time and/or the first region has reached a predetermined temperature.

Abstract: Bulk solidifying amorphous alloys (BMGs) having improved corrosion resistance properties; and more particularly a sub-set of Zr—Ti-based BMGs having improved corrosion resistance properties are provided. The BMG compositions are formed by carefully controlling the concentration of, or removing altogether, highly electronegative elements, such as Ni and Cu from Zr—Ti-based bulk solidifying amorphous alloys thereby producing BMG materials with corrosion resistance properties that far exceed those of current commercially available BMGs and most conventional alloys. The elimination of these electronegative materials also opens the possibility of new uses for BMGs, including in biological applications.

Abstract: A method for forging a thermomechanical part and including: providing a billet produced in a titanium alloy having a beta transus temperature; carrying out at least one operation of forging a blank of the billet at a temperature T1 lower than the beta transus temperature Tb from before carrying out the forging operation whereby a blank is completed; carrying out a final forging the blank at a temperature T2 greater than the beta transus temperature Tb from before carrying out the forging operation whereby a blank is completed. The forging operation from the blank-forging carries out, on every point of the billet, a deformation greater than a minimum deformation rate. The method can be used for a rotating part of a turbine engine.

Abstract: Disclosed are: a structural member for use in an eyeglass which has a super elastic property and shape memory property while retaining an excellent biocompatibility in addition to the fact that it is N-free, and which also has an excellent cold workability; an eyeglass frame containing the structural member; and a process for producing the structural member or eyeglass frame. A structural member for an eyeglass containing a Ti—Nb—Zr alloy which comprises (A) 40 to 75% by weight of Ti, (B) 18 to 30% by weight of Nb, (C) 10 to 30% by weight of Zr and (D) 0.2 to 3.7% by weight of at least one additive metal element selected from the group consisting of Al, In and Ga.

Abstract: Article (e.g., turbine engine fan or compressor blade) comprising a titanium alloy has a first portion with alpha+beta microstructure and a second portion with martensitic or a bimodal microstructure. The modified microstructure of the second portion is provided by selectively heating, and immediately quenching, the second portion without substantially heating the first portion. An exemplary method includes providing a near net-shaped article having a first portion (e.g., an airfoil region) and a second portion (e.g., an unfinished dovetail region). Initially, the article comprises an alpha+beta microstructure throughout. Thereafter, the second portion is selectively heated, followed by immediate quenching, without substantially heating the first portion, to modify the microstructure of the second portion to a martensitic or bimodal microstructure without substantially modifying the microstructure of the first portion. Thereafter, the second portion may be processed to a final body dimension.

Abstract: A method for refining the microstructure of titanium alloys in a single thermomechanical processing step, wherein the titanium alloy comprises boron. In some embodiments, the method comprises the steps of first adding boron to the titanium alloy then subjecting the boron-containing titanium alloy to a thermomechanical processing step. Also provided is a method for achieving superplasticity in titanium alloys comprising the steps of selecting a boron-containing titanium alloy, determining the temperature and strain rate necessary to achieve beta superplasticity, and applying sufficient temperature and strain rate to the boron-containing titanium alloy to deform the alloy to the desired shape. Also provided methods of forming titanium alloy parts and the parts prepared by these methods.

Abstract: Provided is a manufacturing method of high purity hafnium including the steps of making aqueous solution of chloride of hafnium, thereafter removing zirconium therefrom via solvent extraction, performing neutralization treatment to obtain hafnium oxide, further performing chlorination to obtain hafnium chloride, obtaining hafnium sponge via reducing said hafnium chloride, and performing electron beam melting to the hafnium sponge in order to obtain a hafnium ingot, as well as a high purity hafnium material obtained thereby and a target and thin film formed from such material. The present invention relates to a high purity hafnium material with reduced zirconium content contained in the hafnium, a target and thin film formed from such material, and the manufacturing method thereof, and provides efficient and stable manufacturing technology, a high purity hafnium material obtained according to such manufacturing technology, and a target and high purity hafnium thin film formed from such material.

Abstract: The present invention provides a heat resistant titanium alloy sheet excellent in cold workability having high temperature strength characteristics better than JIS Type 2 pure titanium and having a cold workability and high temperature oxidation resistance equal to or better than that of JIS Class 2 pure titanium and a method of production of the same, that is, a heat resistant titanium alloy sheet excellent in cold workability characterized by comprising, by mass %, 0.3 to 1.8% of Cu, 0.18% or less of oxygen, 0.30% or less of Fe, and, as needed, at least one of Sn, Zr, Mo, Nb, and Cr in a total of 0.3 to 1.5%, and the balance of Ti and less than 0.3% of impurity elements and, further, a method of production of that titanium alloy sheet characterized by performing the final annealing at 650 to 830° C. in temperature range or performing the hot-rolled sheet or coil annealing or intermediate annealing at 650 to 830° C. in temperature range and perform the final annealing after cold working at 600 to 650° C.

Abstract: A titanium alloy material includes a Ti—Al alloy and an oxide film on the Ti—Al alloy. The Ti—Al alloy contains 0.50-3.0 mass % Al and a balance of Ti and unavoidable impurities. The titanium alloy material has excellent hydrogen absorption resistance and can be used as a basic structural material in hydrogen absorption environments.

Abstract: A method for simultaneously laser shock peening opposite laser shock peening surfaces on opposite sides of an article, such as a gas turbine engine airfoil, with varying thickness using oppositely aimed laser beams and varying surface fluence of the laser beams over the laser shock peening surfaces as a function of the thickness of the article beneath each one of a plurality of laser shock peened spots formed by the beams on the surfaces. The fluence may be equal to the thickness multiplied by a volumetric fluence factor, the volumetric fluence factor being held constant over the laser shock peening surface. The volumetric fluence factor may be in a range of about 1200 J/cm3 to 1800 J/cm3 and more particularly about 1500 J/cm3. Laser beam energy may be varied with a computer program controlling firing of the laser beam.

Abstract: Methods for producing zirconium strips that demonstrate improved formability are disclosed. The zirconium strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain articles such as panels for plate heat exchangers and high performance tower packing components. Other embodiments disclosed herein relate to formed substantially pure zirconium strip, articles of manufacture produced from the substantially pure zirconium strip, and methods for making the articles of manufacture.

Abstract: A surface carburization technique of medical titanium alloy femoral head in total hip arthroplasty comprises subjecting medical titanium alloy TC4 to surface carburization by using acetylene as carburizing agent to carry out gaseous carburization at high temperature to give medical titanium alloy femoral head in total hip arthroplasty with TiC ceramic on surface thereof. The TiC ceramic layer on femoral head can be more than 100 micron thick, which is relatively thick, overcomes the disadvantages in available medical titanium alloy material, and is particularly useful for replacement of total hip or knee arthroplasty.

Abstract: A near-beta titanium alloy having higher strength than ‘Ti-17’ is provided, while suppressing cost increase. Such a near-&bgr; titanium alloy consists of, in weight percent, 0.5-7% of V, 0.5-2.5% of Fe, 0.5-5% of Mo, 0.5-5% of Cr, 3-7% of Al, and the balance of Ti and impurities. When the weight % of V content is expressed as XV, the weight % of Fe content is expressed as XFe, the weight % of Mo content is expressed as XMo, and the weight % of Cr content is expressed as XCr; the value of XV+2.95XFe+1.5 XMo+1.65XCr is 9-17%.

Abstract: A titanium alloy subjected to thermal treatment followed by quenching. The thermal treatment raises the temperature of the alloy to a temperature above the alloy's recrystallization temperature and below the alloy's beta-transus temperature to cause a phase shift within the alloy. After the thermal treatment has been applied for a predetermined time, the alloy is rapidly quenched, preserving the phase shift induced by the thermal treatment. By the present method, the microstructure of the titanium alloy is changed from a fine grained alpha-beta phase to a microstructure substantially comprised of an equiaxed alpha phase and an acicular or plate-like alpha phase. The resulting prostheses may have a microstructure including between 25% and 75% percent acicular alpha phase, for example.

Abstract: There is provided a titanium plate having both high strength and good workability. The titanium plate is made of a titanium material in a plate shape, the titanium material consisting of by mass: more than 0.10% and less than 0.60% iron; more than 0.005% and less than 0.20% oxygen; less than 0.015% carbon; less than 0.015% nitrogen; less than 0.015% hydrogen; and balance titanium and unavoidable impurities, provided that the iron content is greater than the oxygen content, wherein the titanium plate has a two-phase structure of an ? phase and a ? phase and the circle-equivalent mean diameter of ? phase grains is 10 ?m or less.

Abstract: An article made of an alloy, and a method for making the article, are presented. The alloy is substantially free of martensite, and comprises the following composition: at least about 75 weight percent titanium; up to about 10 weight percent of a beta stabilizing component; from about 3 weight percent to about 15 weight percent of an alpha stabilizing component; and from about 0.05 weight percent to about 5 weight percent germanium. Another embodiment is a method for fabricating an article. The method comprises providing a billet made of an alloy as described above, and stabilizing the billet microstructure to form a stabilized billet; the method may further comprise superplastically processing the stabilized billet to form a processed item.

Abstract: A method for surface processing at least a portion of a component of zirconium or hafnium alloy, including at least one operation of nanostructuring a surface layer of the alloy so as to confer on the alloy over a thickness of at least 5 ?m a grain size which is less than or equal to 100 nm, the nanostructuring being carried out at a temperature which is less than or equal to that of the last thermal processing operation to which the component was previously subjected during its production. Component of zirconium or hafnium alloy processed in this manner.

Abstract: The present disclosure describes methods of heat treating Ti-based alloys and various improvements that can be realized using such heat treatments. In one exemplary implementation, the invention provides a method of forming a metal member that involves forming an alloy into a utile shape and cooling the alloy from a first temperature above a beta transus temperature of the alloy to a second temperature below the beta transus temperature at a cooling rate of no more than about 30° F./minute. If so desired, the alloy my be treated for a period of about 1-12 hours at about 700-1100° F. Titanium alloys treated according to aspects of the invention may have higher tensile strengths and higher fracture toughness than conventional wrought, mill-annealed Ti 64 alloy.

Abstract: The invention is directed to a method for producing a titanium aluminide intermetallic alloy composition having an improved wear resistance, the method comprising heating a titanium aluminide intermetallic alloy material in an oxygen-containing environment at a temperature and for a time sufficient to produce a top oxide layer and underlying oxygen-diffused layer, followed by removal of the top oxide layer such that the oxygen-diffused layer is exposed. The invention is also directed to the resulting oxygen-diffused titanium aluminide intermetallic alloy, as well as mechanical components or devices containing the improved alloy composition.

Abstract: To provide a valve spring retainer made of titanium, capable of reduction in raw material cost and processing cost, a valve spring retainer is formed out of a titanium alloy raw material composed of 0.8 wt %?Fe?1.2 wt %, 0.24 wt %?O?0.32 wt %, 0.02 wt %?N?0.05 wt %, and balance Ti containing unavoidable impurities through cold forging.

Abstract: High strength, thermoplastically processable (TPF) amorphous alloys composed of Beryllium and at least one ETM and at least one LTM, as well as methods of processing such alloys are provided. The TPF alloys of the invention demonstrate good glass forming ability, low viscosity in the supercooled liquid region (SCLR), a low processing temperature, and a long processing time at that temperature before crystallization.

Abstract: The invention relates to a method for obtaining a surface of a titanium-based metal implant intended to be inserted into bone tissue, comprising: (a) projecting particles of aluminium oxide under pressure on the external area of the implant; (b) chemically treating the sandblasted external area of the implant with an acid composition comprising sulfuric acid and hydrofluoric acid; and (c) thermally treating the sandblasted external area of the implant by heating at a temperature of 200-450° C. for 15-120 min. The invention likewise defines a metal implant having said surface. The surface thus obtained has good micrometer-scale roughness with a suitable morphology, as well as a composition which is virtually free of impurities and a thickness which is approximately three times the thickness of conventional surfaces, which characteristics provide it with very good osseointegration properties.

Abstract: A titanium alloy containing carbon with and without addition of silicon exhibiting improved corrosion resistance and mechanical strength as compared to commercially pure ASTM grade 2 titanium or PGM-alloyed ASTM grade 7 titanium.

Abstract: An oxidation resistant, high strength titanium alloy, particularly adapted for use in the manufacture of automotive exhaust system components and other applications requiring oxidation resistance and strength at elevated temperatures. The alloy comprises, in weight percent, iron less than 0.5, or 0.2 to less than 0.5%, oxygen 0.02 to less than 0.15%, silicon 0.15 to 0.6%, and balance titanium. Optional alloying elements are Al, Nb, V, Mo, Sn, Zr, Ni, Cr and Ta, with a total content of less than 1.5.

Abstract: An Ag sputtering target 6 has three-dimensional fluctuation of grain sizes of not more than 18%. The fluctuation is determined by exposing plural sputtering surfaces by slicing the sputtering target 6 in planes to initial sputtering surface, selecting plural locations on each of the exposed sputtering surfaces, calculating values A1 and B1 using the formula below, and selecting larger one of the values A1 and B1 as the three-dimensional fluctuation of the grain sizes. A1=(Dmax?Dave)/Dave×100(%) B1=(Dave?Dmin)/Dave×100(%) Dmax: maximum value among the grain sizes D at all the selected locations Dmin: minimum value among the grain sizes D at all the selected locations Dave: average value of the grain sizes D at all the selected locations.

Abstract: A large ingot is produced by casting the zirconium alloy, then the ingot is forged in two stages to obtain the semi-finished product wherein the first stage of forging the ingot is performed at a temperature at which the zirconium alloy is in a state comprising crystalline ? and ? phases.

Abstract: A metallic article is prepared by first furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively containing the constituent elements of the metallic article in their respective constituent-element proportions. The constituent elements together form a titanium-base alloy having a stable-oxide-forming additive element therein, such as magnesium, calcium, scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, and mixtures thereof. The stable-oxide-forming additive element forms a stable oxide in a titanium-based alloy. At least one additive element is present at a level greater than its room-temperature solid solubility limit in the titanium-base alloy. The precursor compounds are chemically reduced to produce an alloy material, without melting the alloy material. The alloy material may be consolidated.

Abstract: A technique for technique for increasing the compliance of lead-free solders containing silver is disclosed. In one particular exemplary embodiment, the technique may be realized as a Sn—Ag—Al alloy composition comprising (0.01-20)% Ag, (0.01-2)% Al, balanced with Sn. In another particular exemplary embodiment, the technique may be realized as a Sn—Ag—Cu—Al alloy composition comprising (0.01-20)% Ag, (0.01-1)% Cu, (0.01-2)% Al, balanced with Sn. In still another particular exemplary embodiment, the technique may be realized as a Sn—Ag—Al—Ni composition comprising (0.01-20)% Ag, (0.01-2)% Al, (0.01-4)% Ni, balanced with Sn. In yet another particular exemplary embodiment, the technique may be realized as a Sn—Ag—Cu—Al—Ni alloy composition comprising (0.01-20)% Ag, (0.01-1)% Cu, (0.01-2)% Al, (0.01-4)% Ni, balanced with Sn.