Abstract: An alloy is disclosed which contains at least four components. The alloy has a bulk structure containing at least one amorphous phase. The alloy composition follows an “80:20 scheme”, i.e., the alloy composition is [(AxD100?x)a(EyG100?y)100?a]100?bZb with the number “a” being approximately 80. Preferably, component A is Zr. The other components D, E, G and, optionally, Z are all different from each other and different from component A. A preferred system is Zr—Cu—Fe—Al. Further disclosed are Cu-free systems of the type Zr—Fe—AI-Pd/Pt. Importantly, the alloy is substantially free of nickel. This makes the alloy especially suitable for medical applications. Methods of preparing such an alloy, uses of the alloy and articles manufactured from the alloy are also disclosed.

Abstract: Compositions for forming Au-based bulk-solidifying amorphous alloys are provided. The Au-based bulk-solidifying amorphous alloys of the current invention are based on ternary Au—Cu—Si alloys, and the extension of this ternary system to higher order alloys by the addition of one or more alloying elements. Additional substitute elements are also provided, which allow for the tailoring of the physical properties of the Au-base bulk-solidifying amorphous alloys of the current invention.

Abstract: To provide a Cu-based amorphous alloy having a glass-forming ability higher than that of a Cu—Zr—Ti amorphous alloy and a Cu—Hf—Ti amorphous alloy, as well as excellent workability and excellent mechanical properties without containing large amounts of Ti. A Cu-based amorphous alloy characterized by containing 90 percent by volume or more of amorphous phase having a composition represented by Formula: Cu100-a-b(Zr,Hf)a(Al,Ga)b [in Formula, a and b are on an atomic percent basis and satisfy 35 atomic percent?a?50 atomic percent and 2 atomic percent?b?10 atomic percent], wherein the temperature interval ?Tx of supercooled liquid region is 45 K or more, the temperature interval being represented by Formula ?Tx=Tx?Tg (where Tx represents a crystallization initiation temperature and Tg represents a glass transition temperature.

Abstract: A highly abrasive wear metal matrix composite hardfacing material for downhole tools is disclosed. The hardfacing material may comprise a matrix of a softer material with high hardness, such as amorphous nanocomposite steel alloys, and one or more hard component materials. The hard component materials may comprise sintered tungsten carbide, monocrystalline WC, polycrystalline WC, and the additional component of spherical cast tungsten carbide. Alternatively, a matrix of softer material, hard component materials and crushed cast tungsten carbide may be used.

Abstract: 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.

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: Metallic glass alloys of palladium, copper, cobalt, and phosphorus, that are bulk-solidifying having an amorphous structure. Other embodiments are described and claimed.

Abstract: Low density Be-bearing bulk amorphous structural alloys with more than double the specific strength of conventional titanium alloys and methods of forming bulk articles from such alloys having thicknesses greater than 0.5 mm are provided. The bulk solidifying amorphous alloys described exclude late transition metal components while still exhibiting good glass forming ability, exceptional thermal stability, and high strength.

Abstract: Amorphous Fe- and Co-based metal foams and methods of preparing the same are provided. The Fe- and Co-based foams are prepared from Fe- and Co-based metal alloys of low hydrogen solubility having an atomic fraction of Fe or Co greater than or equal to the atomic fraction of each other alloying element. A method for producing the Fe- and Co-based foams includes the in situ decomposition of a hydride in a molten Fe- or Co-based alloy.

Abstract: Zirconium-rich bulk metallic glass alloys include quinary alloys containing zirconium, aluminum, titanium, copper and nickel. The bulk metallic glass alloys may be provided as completely amorphous pieces having cross-sectional diameters of at least about 5 mm or even greater.

Abstract: Bulk amorphous alloys based on a ternary Ni—Nb—Sn alloy system, and the extension of this ternary system to higher order alloys by the addition of one or more alloying elements, methods of casting such alloys and articles made of such alloys are provided.

Abstract: A medical implant comprising a composite material which is composed of reinforcement fibers made of a magnesium-containing, bio-corrosive alloy, another bio-corrosive alloy containing a main component that is selected from the group consisting of Mg, Ca, Fe, and Y, or a non-biodegradable fiber material, embedded in a matrix made of crystalline magnesium or magnesium alloys.

Abstract: Disclosed is a soft magnetic Fe—B—Si-based metallic glass alloy with high glass forming ability which has a supercooled-liquid temperature interval (?T?) of 40 K or more, a reduced glass-transition temperature (Tg/Tm) of 0.56 or more and a saturation magnetization of 1.4 T or more. The metallic glass alloy is represented by the following composition formula: (Fe1-a-bBaSib)100-?M?, wherein a and b represent an atomic ratio, and satisfy the following relations: 0.1?a?0.17, 0.06?b?0.15 and 0.18?a+b?0.3, M is one or more elements selected from the group consisting of Zr, Nb, Ta, Hf, Mo, Ti, V, Cr, Pd and W, and ? satisfies the following relation: 1 atomic % ???10 atomic %.

Abstract: High-strength, beryllium-free moulded bodies made from zirconium alloys which may be plastically deformed comprise a material essentially corresponding to the following formula in composition: Zra(E1)b(E2)c(E3)d(E4)e, where E1=one or several of Nb, Ta, Mo, Cr, W, Ti, V, Hf and Y, E2=one or several of Cu, Au, Ag, Pd and Pt, E3=one or several of Ni, Co, Fe, Zn and Mn, E4=one or several of AI, Ga, Si, P, C, B, Sn, Pb and Sb, a=100?(b+c+d+e), b=5 to 15, c=5 to 15, d=0 to 15 and e=5 to 15 (a, b, c, d, e in atom %). The moulded body essentially comprises a homogeneous, microstructural structure which is a glass-like or nano-crystalline matrix with a ductile, dendritic, cubic body-centered phase embedded therein.

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. at % to 30.0 at %, and impurities. Ti+Y+Al+Co+the impurities=100.0 at %.

Abstract: A metal powder manufacturing device for manufacturing a metal powder includes a feed for supplying a molten metal, a fluid spout unit, and a course modification unit. The fluid spout unit further includes a channel and an orifice. The channel is provided below the feed, allowing passing of the molten metal supplied from the feed. The orifice is opened at a bottom end of the channel, spouting a fluid into the channel. The above course modification unit is provided below the fluid spout unit, and forcibly changes the traveling direction of a dispersion liquid. This dispersion liquid is composed of multiple fine droplets dispersed into the fluid. The above droplets are a resultant of a breakup caused by a contact between the molten metal and the fluid ejected from the orifice. Here, the dispersion liquid is transported so that the droplets is cooled and solidified in the dispersion liquid in order to manufacture the metal powder.

Abstract: The present invention provides an iron-base amorphous alloy thin strip excellent in soft magnetic properties, an iron core manufactured by using said thin strip, and a mother alloy for producing a rapidly cooled and solidified thin strip. More specifically, the present invention is an iron-base amorphous alloy thin strip produced by rapidly cooling and solidifying molten metal by ejecting it onto a moving cooling substrate through a pouring nozzle having a slot-shaped opening, characterized by having an ultra-thin oxide layer of a thickness in the range from 5 to 20 nm on one or both of the surfaces of the amorphous mother phase containing P in the range from 0.2 to 12 atomic %.

Abstract: Disclosed is a soft magnetic Co-based metallic glass alloy with high glass forming ability, which has a supercooled-liquid temperature interval (?T?) of 40 K or more, a reduced glass-transition temperature (Tg/Tm) of 0.59 and a low coercive force of 2.0 A/m or less. The metallic glass alloy is represented by the following composition formula: [Co1?n?(a+b)FenBaSib]100??M?, wherein each of a, b and n represents an atomic ratio satisfying the following relations: 0.1?a?0.17; 0.06?b?0.15; 0.18?a+b?0.3; and 0?n?0.08, M representing one or more elements selected from the group consisting of Zr, Nb, Ta, Hf, Mo, Ti, V, Cr, Pd and W, and ? satisfying the following relation: 3 atomic %???10 atomic %.

Abstract: An alloy design approach to modify and improve existing iron based glasses. The modification is related to increasing the stability of the glass, which results in increased crystallization temperature, and increasing the reduced crystallization temperature (Tcrystallization/Tmelting), which leads to a reduced critical cooling rate for metallic glass formation. The modification to the iron alloys includes the additional of lanthanide elements, including gadolinium.

Abstract: A high precision alloy, and in particular, high-strength nickel-based amorphous compositions for fabrication of glass-coated microwires.

Abstract: An amorphous alloy having a composition consisting essentially of about 45 to about 65 atomic % Zr and/or Hf, about 4 to about 7.5 atomic % Ti and/or Nb, about 5 to about 15 atomic % Al and/or Zn, and the balance comprising a metal selected from the group consisting of Cu, Co, Ni, up to about 10 atomic % Fe, and Y intentionally present in the alloy composition in an amount not exceeding about 0.5 atomic %, such as about 0.2 to about 0.4 atomic % Y, with an alloy bulk oxygen concentration of at least about 1000 ppm on atomic basis.

Abstract: The present invention relates to a Cu-based amorphous alloy composition having a chemical composition represented by the following general formula, by atomic %: Cu100-a-b-c-dZraAlb(M1)c(M2)d, where a, b, c and d satisfy the formulas of 36?a?49, 1?b?10, 0?c?10, and 0?d?5, respectively, and c and d are not zero at the same time, and M1, the 4th element added to a ternary alloy of Cu—Zr—Al, is one metal element selected from the group consisting of Nb, Ti, Be and Ag, and M2, the 5th element added to the ternary alloy of the Cu—Zr—Al, is one amphoteric element or non-metal element selected from the group consisting of Sn and Si.

Abstract: An amorphous soft magnetic alloy powder which is produced by a water atomization method is provided. The powder contains an amorphous phase having a temperature interval ?Tx of a supercooled liquid of 20K or more; having a hardness Hv of 1000 or less; is provided with a layer with a high concentration of Si at a surface portion thereof; and being represented by the following composition formula: Fe100?a?b?x?y?z?w?tCOaNibMxPyCzBwSit And M is one or two or more elements selected from Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pt, Pd, and Au.

Abstract: A foamed structure of bulk solidifying amorphous alloy with improved impact resistance, with high stiffness to weight ratio, and/or with high resistance to fatigue and crack propagation, and a method for forming such foamed structures are provided.

Abstract: A method of producing metal fibers including melting a mixture of at least a fiber metal and a matrix metal, cooling the mixture to form a bulk matrix comprising at least a fiber phase and a matrix phase and removing at least a substantial portion of the matrix phase from the fiber phase. Additionally, the method may include deforming the bulk matrix. In certain embodiments, the fiber metal may be at least one of niobium, a niobium alloy, tantalum and a tantalum alloy and the matrix metal may be at least one of copper and a copper alloy. The substantial portion of the matrix phase may be removed, in certain embodiments, by dissolving of the matrix phase in a suitable mineral acid, such as, but not limited to, nitric acid, sulfuric acid, hydrochloric acid and phosphoric acid.

Abstract: Changing characteristics of relationships between components of a bulk metallic glass to stabilize one phase relative to another. A specific Zr58.47Nb2.76Cu15.4Ni12.6Al10.37 alloy is disclosed.

Abstract: Iron based amorphous steel alloy having a high Manganese content and being non-ferromagnetic at ambient temperature. The bulk-solidifying ferrous-based amorphous alloys are multicomponent systems that contain about 50 atomic percent iron as the major component. The remaining composition combines suitable mixtures of metalloids (Group b elements) and other elements selected mainly from manganese, chromium, and refractory metals. Various classes of non-ferromagnetic ferrous-based bulk amorphous metal alloys are obtained. One class is a high-manganese class that contains manganese and boron as the principal alloying components. Another class is a high manganese-high molybdenum class that contains manganese, molybdenum, and carbon as the principal alloying components. These bulk-solidifying amorphous alloys can be obtained in various forms and shape for various applications and utlizations. The good processability of these alloys can be attributed to the high reduced glass temperature Trg (e.g., about 0.6 to 0.

Abstract: The present invention provides a Cu—Be based amorphous alloy comprising an amorphous phase of 50% or more by volume fraction. This alloy has a composition represented by the following formula: Cu100-a-bBea(Zr1-x-yHfxTiy)b. In the formula, “a” and “b” represent atomic percentages which are 0<a?20 and 20?b?40, and “x” and “y” represent atomic fractions which are 0?x?1 and 0?y?0.8. The alloy may contain a small amount of one or more elements selected from the group consisting of Fe, Cr, Mn, Ni, Co, Nb, Mo, W, Sn, Al, Ta and rare-earth elements and/or the group consisting of Ag, Pd, Pt and Au. The alloy has a wide supercooled-liquid temperature range and a large reduced glass transition temperature (Tg/Tm) to achieve a high thermal stability against crystallization or a high glass-forming ability.

Abstract: A bulk amorphous alloy has the approximate composition: Fe(100?a?b?c?d?e)YaMnbTcMdXe wherein: T includes at least one of the group consisting of: Ni, Cu, Cr and Co; M includes at least one of the group consisting of W, Mo, Nb, Ta, Al and Ti; X includes at least one of the group consisting of Co, Ni and Cr; a is an atomic percentage, and a<5; b is an atomic percentage, and b?25; c is an atomic percentage, and c?25; d is an atomic percentage, and d?25; and e is an atomic percentage, and 5?e?30.

Abstract: Improved bulk-solidifying amorphous alloy compositions and methods of making and casting such compositions are provided. The improved bulk-solidifying amorphous alloys are preferably subjected to a superheating treatment and subsequently are cast into articles with high elastic limit. The invention allows use of lower purity raw-materials, and as such effectively reduces the overall cost of the final articles. Furthermore, the invention provides for the casting of new alloys into shapes at lower cooling rates then is possible with the conventional bulk-solidifying amorphous alloys.

Abstract: An amorphous alloy having a composition represented by the formula (Zr,Hf)a(Al,Zn)bTie,Nbf,TagYh(CuxFey(Ni,Co)z)d wherein a ranges from 45 to 65 atomic %, b ranges from 5 to 15 atomic %, e and f each ranges from 0 to 4.5 atomic %, g ranges from greater than 0 to 2 atomic %, h ranges from 0 to 0.5 atomic %, and the balance is d and incidental impurities and wherein e+f+g ranges from 3.5 to 7.5 atomic %, d times y is less than 10 atomic %, and x/z ranges from 0.5 to 2.

Abstract: A magnetic powder core comprises a molded article of a mixture of a glassy alloy powder and an insulating material. The glassy alloy comprises Fe and at least one element selected from Al, P, C, Si, and B, and has a texture primarily composed of an amorphous phase. The glassy alloy exhibits a temperature difference ?Tx, which is represented by the equation ?Tx=Tx?Tg, of at least 20 K in a supercooled liquid, wherein Tx indicates the crystallization temperature and Tg indicates the glass transition temperature. The magnetic core precursor is produced mixing the glassy alloy powder with the insulating material, compacting the mixture to form a magnetic core precursor, and annealing the magnetic core precursor at a temperature in the range between (Tg?170) K and Tg K to relieve the internal stress of the magnetic core precursor. The glassy alloy exhibits low coercive force and low core loss.

Abstract: Gliding board devices and methods of making gliding board devices wherein at least a portion of the device is formed of a bulk amorphous alloy material are provided. The gliding board device including an upper reinforcing element that covers at least the upper surface of the device; a lower reinforcing element; a sliding element; a pair of running edges; and a core of filler material disposed between the upper and lower elements, wherein at least one of the upper reinforcing element, lower reinforcing element and pair of running edges are formed from an amorphous alloy.

Abstract: Composite coating compositions, composite metallic coatings derived from these compositions, and methods of forming the composite coating compositions and composite metallic coatings, wherein the compositions and coatings comprise particles of at least one quasicrystalline metal alloy and at least one elemental metal. The methods include electrocodepositing suspended quasicrystalline metal alloy particles and dissolved metal ions onto a substrate. Preferably, the substrate is disposed in an aqueous bath containing at least one dissolved metal ion species and at least one suspended quasicrystalline metal alloy powder species. The compositions and coatings enhance the wear, friction, hardness, corrosion, and non-stick characteristics of the substrate.

Abstract: In Cu-based bulk amorphous matrix composite materials, comprising a Cu-based amorphous alloy containing high fusion point element(s) selected from a group of Ta, W or combination thereof, wherein the high fusion point element(s) has(have) a shape of crystalline grain and is(are) dispersed around a Cu-based amorphous matrix.

Abstract: A process of producing a high toughness iron-based amorphous alloy strip, using a single roll liquid quenching method, the strip having a thickness of more than 55 &mgr;m up to 100 &mgr;m and a width of 20 mm or more and having a fracture strain &egr;f satisfying the relationship &egr;f>0.1 where &egr;f=t/(D−t), t=thickness of the strip, and D=bent diameter upon fracture, &egr;f being determined by bending the strip with a free cooling surface thereof facing outward, the process comprising the steps of: ejecting a molten metal alloy through a nozzle; applying the ejected molten metal alloy to a surface of a rotating roll; allowing the applied molten metal alloy to be quenched by the roll surface to form an amorphous strip of the metal alloy, the strip being quenched at a cooling rate, determined at a free surface thereof, of 103° C./sec or more in a temperature range of from 500° C. to 200° C.

Abstract: High-strength, beryllium-free moulded bodies made from zirconium alloys which may be plastically deformed comprise a material essentially corresponding to the following formula in composition: Zra(E1)b(E2)c(E3)d(E4)e, where E1=one or several of Nb, Ta, Mo, Cr, W, Ti, V, Hf and Y, E2=one or several of Cu, Au, Ag, Pd and Pt, E3=one or several of Ni, Co, Fe, Zn and Mn, E4=one or several of AI, Ga, Si, P, C, B, Sn, Pb and Sb, a=100−(b+c+d+e), b=5 to 15, c=5 to 15, d=0 to 15 and e=5 to 15 (a, b, c d, e in atom %). The moulded body essentially comprises a homogeneous, microstructural structure which is a glass-like or nano-crystalline matrix with a ductile, dendritic, cubic body-centred phase embedded therein.

Abstract: The present invention is directed to a method of joining an amorphous material to a non-amorphous material including, forming a cast mechanical joint between the bulk solidifying amorphous alloy and the non-amorphous material.

Abstract: An amorphous alloy having a composition consisting essentially of about 45 to about 65 atomic % Zr and/or Hf, about 4 to about 7.5 atomic % Ti and/or Nb, about 5 to about 15 atomic % Al and/or Zn, and the balance comprising a metal selected from the group consisting of Cu, Co, Ni, up to about 10 atomic % Fe, and Y intentionally present in the alloy composition in an amount not exceeding about 0.5 atomic %, such as about 0.2 to about 0.4 atomic % Y, with an alloy bulk oxygen concentration of at least about 1000 ppm on atomic basis.

Abstract: An amorphous alloy having a composition consisting essentially of about 45 to about 65 atomic % Zr and/or Hf, about 4 to about 7.5 atomic % Ti and/or Nb, about 5 to about 15 atomic % Al and/or Zn, and the balance comprising a metal selected from the group consisting of Cu, Co, Ni, up to about 10 atomic % Fe, and Y intentionally present in the alloy composition in an amount not exceeding about 0.5 atomic %, such as about 0.2 to about 0.4 atomic % Y, with an alloy bulk oxygen concentration of at least about 1000 ppm on atomic basis.

Abstract: A bulk amorphous alloy includes the approximate composition Fe(100-a-b-c-d-e-f)YaMbTcAldSneBf wherein: M comprises at least one of the group consisting of: Zr, Hf, Pb, Ti, Nb, Mo and W; T comprises at least one of the group consisting of Co, Ni and Cr; a is an atomic percentage, and a<5; b is an atomic percentage, and 2≦b≦25; c is an atomic percentage, and 1≦c≦16; d is an atomic percentage, and d<5; e is an atomic percentage, and e<5; and f is an atomic percentage, and 11≦f≦22.

Abstract: The present invention is a precious metal-based amorphous alloy having a Pt—Cu—P based structure including in atomic %: 50≦Pt≦75%, 5≦Cu≦35%, and 15≦P≦25% and is a precious metal-based amorphous alloy having a Pt—Pd—Cu—P based structure including in atomi %: 5≦Pt≦70%, 5≦Pd≦50%, 5≦Cu≦50%, and 5≦P≦30%. Preferably, cooling rates for manufacturing the alloys having these compositions are 10−1 to 102° C./sec. for the Pt—Cu—P based structure and 101 to 102° C./sec. for the Pt—Pd—Cu—P based structure.

Abstract: A metal frame for electronic hardware and a method of manufacturing such a frame wherein at least a portion of the frame is made of bulk-solidifying amorphous alloys or bulk-solidifying amorphous alloy-composites is provided. The metal frames of the invention are preferably made of bulk-forming amorphous alloys or bulk-forming amorphous alloy-composites having an elastic limit for the metal frame of at least about 1.5%, and preferably greater than about 2.0%, a &Dgr;Tsc of more than 30° C., and at least one of the following properties: a hardness value of about 4 GPA or more, and preferably 5.5 GPA or more; a yield strength of about 2 GPa or more; a fracture toughness of about 10 ksi-sqrt(in) (sqrt:squre root) or more, and preferably 20 ksi sqrt(in) or more; and a density of at least 4.5 g/cc or more.

Abstract: 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 strip and the powder are rolled to form a wire containing at least 55% iron and from 2-7 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.

Abstract: The present invention provides an iron-base amorphous alloy thin strip excellent in soft magnetic properties, an iron core manufactured by using said thin strip, and a mother alloy for producing a rapidly cooled and solidified thin strip. More specifically, the present invention is an iron-base amorphous alloy thin strip produced by rapidly cooling and solidifying molten metal by ejecting it onto a moving cooling substrate through a pouring nozzle having a slot-shaped opening, characterized by having an ultra-thin oxide layer of a thickness in the range from 5 to 20 nm on one or both of the surfaces of the amorphous mother phase containing P in the range from 0.2 to 12 atomic %.

Abstract: The present invention provides Cu-base amorphous alloys comprising an amorphous phase of 90% or more by volume fraction. The amorphous phase has a composition represented by the formula: Cu100−a−b(Zr+Hf)aTib or Cu100−a−b−c−d(Zr+Hf)aTibMcTd, wherein M is one or more elements selected from the group consisting of Fe, Cr, Mn, Ni, Co, Nb, Mo, W, Sn, Al, Ta and rare earth elements, T is one or more elements selected from the group consisting of Ag, Pd, Pt and Au, and a, b, c and d are atomic percentages falling within the following ranges: 5<a≦55, 0≦b≦45, 30<a+b≦60, 0.5≦c≦5, 0≦d≦10. The Cu-base amorphous alloy has a high glass-forming ability as well as excellent mechanical properties and formability, and can be formed as a rod or plate material with a diameter or thickness of 1 mm or more and an amorphous phase of 90% or more by volume fraction, through a metal mold casting process.

Abstract: A metallic glass alloy ribbon consists essentially of about 70 to 87 atom percent iron. Up to about 20 atom percent of the iron is replaced by cobalt and up to about 3 atom percent of the iron is replaced by nickel, manganese, vanadium, titanium or molybdenum. About 13-30 atom percent of the element balance comprises a member selected from the group consisting of boron, silicon and carbon. The alloy is heat-treated at a sufficient temperature to achieve stress relief. A magnetic field applied during the heat-treatment causes the magnetization to point away from the ribbon's predetermined easy magnetization direction. The metallic glass exhibits linear DC BH loops with low ac losses. As such they are especially well suited for use in current/voltage transformers.

Abstract: The present invention is a precious metal-based amorphous alloy having a Pt—Cu—P based structure including in atomic %: 50≦Pt≦75%, 5≦Cu≦35%, and 15≦P≦25% and is a precious metal-based amorphous alloy having a Pt—Pd—Cu—P based structure including in atomic %: 5≦Pt≦70%, 5≦Pd≦50%, 5≦Cu≦50%, and 5≦P≦30%. Preferably, cooling rates for manufacturing the alloys having these compositions are 10−1 to 102° C./sec. for the Pt—Cu—P based structure and 101 to 102° C./sec. for the Pt—Pd—Cu—P based structure.

Abstract: The present invention provides a Cu—Be based amorphous alloy comprising an amorphous phase of 50% or more by volume fraction. This alloy has a composition represented by the following formula: Cu100-a-bBea(Zr1-x-yHfxTiy)b. In the formula, “a and “b” represent atomic percentages which are 0<a≦20 and 20≦b≦40, and “x” and “y” represent atomic fractions which are 0≦x≦1 and 0≦y≦0.8. The alloy may contain a small amount of one or more elements selected from the group consisting of Fe, Cr, Mn, Ni, Co, Nb, Mo, W, Sn, Al, Ta and rare-earth elements and/or the group consisting of Ag, Pd, Pt and Au. The alloy has a wide supercooled-liquid temperature range and a large reduced glass transition temperature (Tg/Tm) to achieve a high thermal stability against crystallization or a high glass-forming ability.

Abstract: Aluminum alloys having improved strength characteristics at elevated temperatures (300° C.) are manufactured by combining selected transition metals (Ni, Co, Ti, Fe, Y, Sc) and selected rare earth materials (Er, Tm, Tb, Lu) in amounts of about 2 to 12% and 2 to 15% atomic percent respectively in an amorphous, glassy state and subsequently devitrifying the amorphous material to form a crystalline mix of fcc and L12 phase material. Devitrification from the amorphous state may be effected by various means including thermal and thermo mechanical processes.