Class / Patent application number | Description | Number of patent applications / Date published |
148403000 | Amorphous, i.e., glassy | 75 |
20090000702 | ALUMINUM BASE ALLOY - An aluminum base alloy is produced by supercooling a molten alloy composed mainly of aluminum. The molten alloy contains an element capable of forming a quasicrystalline phase, an element which aids formation of the quasicrystals, and an element which stabilizes a supercooled state of the molten alloy and delays crystallization of a crystalline phase, and is composed of a mixed composition of a fine amorphous phase and an aluminum crystalline phase or an aluminum supersaturated solid solution phase, or a single phase of only an amorphous phase. | 01-01-2009 |
20090014096 | HIGH CORROSION RESISTANT Zr-Ti BASED METALLIC GLASSES - 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. | 01-15-2009 |
20090025834 | Amorphous Steel Composites with Enhanced Strengths, Elastic Properties and Ductilities - Amorphous steel composites with enhanced mechanical properties and related methods for toughening amorphous steel alloys. The composites are formed from monolithic amorphous steel and hard ceramic particulates, which must be embedded in the glass matrix through melting at a temperature above the melting point for the steel but below the melting point for the ceramic. The ceramics may be carbides, nitrides, borides, iron-refractory carbides, or iron-refractory borides. An optical micrograph of such a composite including niobium carbide particulates is shown in FIG. | 01-29-2009 |
20090120537 | TENSILE ELONGATION OF NEAR METALLIC GLASS ALLOYS - 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%. | 05-14-2009 |
20090242082 | Fe-Based Amorphous Alloy Strip - The present invention provides a Fe—B—Si system amorphous alloy thin strip excellent in high magnetic flux density, thermal stability, amorphous formability improved workability and low core loss. The present invention further provides a Fe—B—Si system amorphous alloy thin strip which has the reduced cost without using high purity iron resources such as an electrolytic iron as iron resources used in an amorphous alloy thin strip, and also has core loss less than 0.10 W/kg at W | 10-01-2009 |
20090250143 | METALLIC GLASS WITH NANOMETER-SIZED PORES AND METHOD FOR MANUFACTURING THE SAME - 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 %. | 10-08-2009 |
20090260720 | Nd-based two-phase separation amorphous alloy - Provided is a Nd-based two-phase separation amorphous alloy by adding an element having a big difference in heat of mixing in a Nd-based alloy with a superior amorphous formability through an inherent characteristic of compositional elements and consideration of thermodynamics, at the time of forming amorphous phase, to thereby enable two-phase separation amorphous alloy during solidification. The Nd-based two-phase separation amorphous alloy is represented as a general equation Nd | 10-22-2009 |
20090301610 | Process for depositing a thin film of metal alloy on a substrate and metal alloy in thin-film form - The present invention relates to a process for depositing a thin film of a metal alloy on a substrate, said film comprising at least four components and said alloy being either: an amorphous alloy containing 50 at % of the elements Ti and Zr, or a high-entropy alloy, the elements of which are chosen from the group consisting of Al, Co, Cr, Cu, Fe, Ni, Si, Mn, Mo, V, Zr and Ti; by simultaneous magnetron sputtering of at least two targets. The present invention also relates to a metal alloy in the form of a thin film comprising at least four components, which can be deposited on a substrate by implementing the process. | 12-10-2009 |
20100006185 | Amorphous metal alloy having high tensile strength and electrical resistivity - An amorphous metal alloy having high tensile strength and high electrical resistivity is provided. The amorphous metal alloy has the following chemical composition, in atomic percent: (Co | 01-14-2010 |
20100071811 | AMORPHOUS Fe100-a-bPaMb ALLOY FOIL AND METHOD FOR ITS PREPARATION - Amorphous Fe | 03-25-2010 |
20100084052 | Compositions of corrosion-resistant Fe-based amorphous metals suitable for producing thermal spray coatings - A method of coating a surface comprising providing a source of amorphous metal that contains manganese (1 to 3 atomic %), yttrium (0.1 to 10 atomic %), and silicon (0.3 to 3.1 atomic %) in the range of composition given in parentheses; and that contains the following elements in the specified range of composition given in parentheses: chromium (15 to 20 atomic %), molybdenum (2 to 15 atomic %), tungsten (1 to 3 atomic %), boron (5 to 16 atomic %), carbon (3 to 16 atomic %), and the balance iron; and applying said amorphous metal to the surface by a spray. | 04-08-2010 |
20100139814 | AMORPHOUS ALLOY COMPOSITION - An amorphous alloy has a specific composition of Fe | 06-10-2010 |
20100147422 | AMORPHOUS ALLOY AND MANUFACTURING METHOD THEREOF - 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 % | 06-17-2010 |
20100230012 | AMORPHOUS PLATINUM-RICH ALLOYS - 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. | 09-16-2010 |
20100263766 | IRON-BASED AMORPHOUS ALLOYS AND METHODS OF SYNTHESIZING IRON-BASED AMORPHOUS ALLOYS - A method according to one embodiment includes combining an amorphous iron-based alloy and at least one metal selected from a group consisting of molybdenum, chromium, tungsten, boron, gadolinium, nickel phosphorous, yttrium, and alloys thereof to form a mixture, wherein the at least one metal is present in the mixture from about 5 atomic percent (at %) to about 55 at %; and ball milling the mixture at least until an amorphous alloy of the iron-based alloy and the at least one metal is formed. Several amorphous iron-based metal alloys are also presented, including corrosion-resistant amorphous iron-based metal alloys and radiation-shielding amorphous iron-based metal alloys, | 10-21-2010 |
20110000585 | Non-Ferromagnetic Amorphous Steel Alloys Containing Large-Atom Metals - The present invention relates to novel non-ferromagnetic amorphous steel alloys represented by the general formula: Fe—Mn-(Q)-B—M, wherein Q represents one or more elements selected from the group consisting of Se, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and M represents one or more elements selected from the group consisting of Cr, Co, Mo, C and Si. Typically the atomic percentage of the Q constituent is 10 or less. | 01-06-2011 |
20110094633 | AMORPHOUS ALLOYS HAVING ZIRCONIUM AND METHODS THEREOF - An amorphous alloy having the general formula of: (Zr | 04-28-2011 |
20110100514 | ZIRCONIUM-BASED AMORPHOUS ALLOY, SPECTACLE FRAME AND METHOD FOR CONSTRUCTING THE SAME - A zirconium-based amorphous alloy includes 10.0 to 15.0 wt % copper, 7.0 to 13.0 wt % nickel, 5.0 to 8.0 wt % niobium, and 2.0 to 5.0 wt % aluminum, with the remainder zirconium and unavoidable impurities. A method for constructing a spectacle frame, comprises forming a nickel-niobium alloy, a weight ratio of the nickel and the niobium of which is being in a range between 7:8 and 13:5, melting the nickel-niobium alloy, mixing the molten the nickel-niobium alloy with 55.0 to 75.0 wt % Zr, 10.0 to 15.0 wt % Cu, and 2.0 to 6.0 wt % Al to form a master alloy, melting the master alloy, and molding the master alloy into a spectacle frame. | 05-05-2011 |
20110108166 | Utilization of Amorphous Steel Sheets In Honeycomb Structures - A honeycomb structure and a method of forming an iron based glass forming honeycomb structure. The honeycomb structure may include at least two sheets, each having a thickness in the range of 0.01 mm to 0.15 mm, formed from an iron based glass forming alloy comprising 40 to 68 atomic percent iron, 13 to 17 atomic percent nickel, 2 to 21 atomic percent cobalt, 12 to 19 atomic percent boron, optionally 0.1 to 6 atomic percent carbon, optionally 0.3 to 4 atomic percent silicon, optionally 1 to 20 percent chromium. The sheets may be stacked, bonded together and formed into a honeycomb. The honeycomb structure may include a plurality of cells. | 05-12-2011 |
20110139312 | METHOD OF PROVIDING A ZIRCONIUM SURFACE AND RESULTING PRODUCT - A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates. | 06-16-2011 |
20110162759 | Amorphous Alloy and Process for Producing Products Made Thereof - The present invention is related to process for producing an amorphous Fe-based bulk metallic glass product, formed of an alloy having a chemical formula of Fe | 07-07-2011 |
20110186183 | BULK SOLIDIFYING AMORPHOUS ALLOYS WITH IMPROVED MECHANICAL PROPERTIES - Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt | 08-04-2011 |
20110203704 | BULK METALLIC GLASS MATRIX COMPOSITES - A method of forming bulk metallic glass engineering materials, and more particularly a method for forming coarsening microstructures within said engineering materials is provided. Specifically, the method forms ‘designed composites’ by introducing ‘soft’ elastic/plastic inhomogeneities in a metallic glass matrix to initiate local shear banding around the inhomogeneity, and matching of microstructural length scales (for example, L and S) to the characteristic length scale R | 08-25-2011 |
20110284135 | LOW COST AMORPHOUS STEEL - 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. | 11-24-2011 |
20110308670 | HARDFACING MATERIAL - 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. | 12-22-2011 |
20110308671 | Zr-BASED AMORPHOUS ALLOY AND METHOD OF PREPARING THE SAME - 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 (Zr | 12-22-2011 |
20120024431 | AMORPHOUS ALLOY - 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 Ni | 02-02-2012 |
20120073706 | AMORPHOUS ALLOYS HAVING ZIRCONIUM AND METHODS THEREOF - Alloys and methods for preparing the same are provided. The alloys are represented by the general formula of Zr | 03-29-2012 |
20120073707 | Zr-BASED AMORPHOUS ALLOY AND METHOD OF PREPARING THE SAME - 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 (Zr | 03-29-2012 |
20120160374 | AMORPHOUS ALLOY COMPONENT AND SURFACE TREATING METHOD FOR MAKING SAME - 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/cm | 06-28-2012 |
20120168036 | NI AND CU FREE PD-BASED METALLIC GLASSES - 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 A | 07-05-2012 |
20120168037 | NI AND CU FREE PD-BASED METALLIC GLASSES - 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 A | 07-05-2012 |
20120199251 | COMPOSITION OF AMORPHOUS ALLOY AND METHOD FOR FABRICATING THE SAME - 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. | 08-09-2012 |
20120222780 | ZR-RICH AMORPHOUS ALLOY ARTICLE AND METHOD OF MAKING THE SAME - 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. | 09-06-2012 |
20120247622 | AMORPHOUS ALLOY HOOKS AND METHODS OF MAKING SUCH HOOKS - 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. | 10-04-2012 |
20120298264 | Alloys, Bulk Metallic Glass, And Methods Of Forming The Same - An alloy having a formula Zr | 11-29-2012 |
20120305142 | METAL ALLOY AND USE THEREOF - A metallic alloy comprising Ti, Zr, Nb, containing an amorphous phase and a quasicrystalline phase and is represented by the formula: | 12-06-2012 |
20120325378 | EXTRUSION OF GLASSY ALUMINUM-BASED ALLOYS - 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. | 12-27-2012 |
20130032252 | Amorphous nickel-free zirconium alloy - 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. | 02-07-2013 |
20130037177 | ALUMINUM-AND-AMORPHOUS ALLOY COMPOSITE AND METHOD FOR MANUFACTURING - An aluminum-and-amorphous alloy composite includes an aluminum part and an amorphous alloy part. The aluminum part has an aluminum oxide film formed on a surface thereof. The aluminum oxide film defines nano-pores. The amorphous alloy part is integrally bonded to the surface of the aluminum part having the aluminum oxide film. A method for manufacturing the composite is also described. | 02-14-2013 |
20130087251 | THERMOELECTRIC ALLOY MATERIAL AND THERMOELECTRIC ELEMENT - A thermoelectric alloy material and thermoelectric element are provided, wherein the thermoelectric alloy material includes a Half-Heusler (HH) composition as matrix. The thermoelectric alloy material is represented by following formula (I): | 04-11-2013 |
20130255837 | ZIRCONIUM BASED BULK METALLIC GLASSES - Various embodiments of zirconium based bulk metallic glass are described herein. In one embodiment, an alloy composition includes zirconium (Zr), copper (Cu), aluminum (Al), at least one element from a group consisting of niobium (Nb) and titanium (Ti), and at least one element from a group consisting of nickel (Ni), iron (Fe), and cobalt (Co). | 10-03-2013 |
20130263973 | Ni-Based Amorphous Alloy With High Ductility, High Corrosion Resistance and Excellent Delayed Fracture Resistance - [Problem] To prepare an amorphous alloy as an authentic industrial-use material with a wide range of applications by solving various problems such as delayed fracture and ductility. | 10-10-2013 |
20130299048 | AU-BASE BULK SOLIDIFYING AMORPHOUS ALLOYS - 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. | 11-14-2013 |
20130306196 | MANIPULATING SURFACE TOPOLOGY OF BMG FEEDSTOCK - Described herein is a feedstock comprising BMG. The feedstock has a surface with an average roughness of at least 200 microns. Also described herein is a feedstock comprising BMG. The feedstock, when supported on a support during a melting process of the feedstock, has a contact area between the feedstock and the support up to 50% of a total area of the support. These feedstocks can be made by molding ingots of BMG into a mole with surface patterns, enclosing one or more cores into a sheath with a roughened surface, chemical etching, laser ablating, machining, grinding, sandblasting, or shot peening. The feedstocks can be used as starting materials in an injection molding process. | 11-21-2013 |
20130306197 | AMORPHOUS ALLOY COMPONENT OR FEEDSTOCK AND METHODS OF MAKING THE SAME - Described herein is a method of combining discrete pieces of BMG in to a BMG feedstock that has at least one dimension greater than a critical dimension of the BMG, by methods such as thermoplastic forming, pressing, extruding, folding or forging. Other embodiments relate to a bulk metallic glass (BMG) component or feedstock having discrete pieces of a BMG, wherein the BMG component or feedstock has at least one dimension greater than a critical dimension of the BMG. | 11-21-2013 |
20130306198 | LAYER-BY-LAYER CONSTRUCTION WITH BULK METALLIC GLASSES - Described herein is a method of selectively depositing molten bulk metallic glass (BMG). In one embodiment, a continuous stream or discrete droplets of molten BMG is deposited to selected positions. The deposition can be repeated as needed layer by layer. One or more layers of non-BMG can be used as needed. | 11-21-2013 |
20130306199 | BULK METALLIC GLASS FEEDSTOCK WITH A DISSIMILAR SHEATH - Described herein is a feedstock including a core comprising BMG and a sheath attached the core. The sheath has a different physical property, a different chemical property or both from the core. Alternatively, the feedstock can include a sheath that encloses one or more core comprising BMG. The feedstock can be manufactured by attaching the sheath to the core, shot peening the core, etching the core, ion implanting the core, or applying a coating to the core, etc. The feedstock can be used to make a part by injection molding. The sheath can be used to adjust the composition of the core to reach the composition of the part. | 11-21-2013 |
20140007984 | CAST CORE INSERT OUT OF ETCHABLE MATERIAL - Provided in an embodiment is a method for molding, including: providing a molten alloy in a space between a mold cavity and an etchable block shaped to form an undercut on a part formed in the space, cooling the molten alloy to form the part with the undercut, and etching the etchable block. An undercut is a beveled edge caused by an etchant attacking an etchable block laterally and optionally vertically. The formed part can be made of a bulk amorphous alloy. In some cases, the etchable block can also be used to form at least one threaded portion in the part. | 01-09-2014 |
20140020794 | SYSTEMS AND METHODS FOR IMPLEMENTING BULK METALLIC GLASS-BASED MACROSCALE COMPLIANT MECHANISMS - Systems and methods in accordance with embodiments of the invention implement bulk metallic glass-based macroscale compliant mechanisms. In one embodiment, a bulk metallic glass-based macroscale compliant mechanism includes: a flexible member that is strained during the normal operation of the compliant mechanism; where the flexible member has a thickness of 0.5 mm; where the flexible member comprises a bulk metallic glass-based material; and where the bulk metallic glass-based material can survive a fatigue test that includes 1000 cycles under a bending loading mode at an applied stress to ultimate strength ratio of 0.25. | 01-23-2014 |
20140041765 | Method of Providing a Zirconium Surface and Resulting Product - A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates. | 02-13-2014 |
20140076463 | MASTER ALLOY PRODUCTION FOR GLASSY ALUMINUM-BASED ALLOYS - Apparatus is provided for forming aluminum alloy ingots in a sealed chamber having a source of inert gas using a crucible positioned inside the chamber for melting aluminum alloy powder. The crucible has a solid top and a source of inert gas therein. An outlet in the crucible is positioned to draw molten alloy from the crucible at a point proximate the lowest point in the crucible. A tundish adapted to control the flow of molten alloy from the crucible on a path to at least one ingot mold out of the sealed chamber | 03-20-2014 |
20140116575 | COMPOSITIONS AND METHODS FOR DETERMINING ALLOYS FOR THERMAL SPRAY, WELD OVERLAY, THERMAL SPRAY POST PROCESSING APPLICATIONS, AND CASTINGS - Disclosed herein are iron-based alloys having a microstructure comprising a fine-grained ferritic matrix and having a 60+ Rockwell C surface, wherein the ferritic matrix comprises <10 μm Nb and W carbide precipitates. Also disclosed are methods of welding comprising forming a crack free hardbanding weld overlay coating with such an iron-based alloy. Also disclosed are methods of designing an alloy capable of forming a crack free hardbanding weld overlay, the methods comprising the steps of determining an amorphous forming epicenter composition, determining a variant composition having a predetermined change in constituent elements from the amorphous forming epicenter composition, and forming and analyzing an alloy having the variant composition. | 05-01-2014 |
20140238550 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A negative electrode active material for a secondary battery contains an aluminum alloy. The internal structure of the aluminum alloy has a crystalline aluminum phase in a magnesium-supersaturated solid solution state, and an amorphous aluminum phase. The amorphous aluminum phase is dispersed in the crystalline aluminum phase in the magnesium-supersaturated solid solution state. Each of these phases has a columnar shape. The magnesium content of the aluminum alloy preferably is greater than 22 at % and less than 35 at %, and more preferably, lies within a range of 25±2 at %. | 08-28-2014 |
20140238551 | BULK NICKEL-PHOSPHORUS-BORON GLASSES BEARING MANGANESE - The disclosure is directed to Ni—P—B alloys bearing Mn and optionally Cr and Mo that are capable of forming a metallic glass, and more particularly metallic glass rods with diameters at least 1 mm and as large as 5 mm or larger. The disclosure is further directed to Ni—Mn—Cr—Mo—P—B alloys capable of demonstrating a good combination of glass forming ability, strength, toughness, bending ductility, and corrosion resistance. | 08-28-2014 |
20140261898 | BULK METALLIC GLASSES WITH LOW CONCENTRATION OF BERYLLIUM - Disclosed herein is a bulk metallic glasses (BMG) comprising 0.0001 wt % to 0.7 wt % of Be, 0.0001 wt % to 0.2 wt % of Be, or 0.06 wt % to 0.08 wt % of Be. Be may have the effect of reducing a liquidus temperature of the BMG relative to melting temperatures of individual alloying elements of the BMG. | 09-18-2014 |
20140261899 | AMORPHOUS ALLOY NEGATIVE ELECTRODE COMPOSITIONS FOR LITHIUM-ION ELECTROCHEMICAL CELLS - Negative electrode compositions for use in a lithium-ion electrochemical cell are provided that has the formula, Si | 09-18-2014 |
20140305549 | AMORPHOUS ALLOY AND METHOD FOR MANUFACTURING THE SAME - An amorphous and a manufacturing method thereof are provided. The amorphous alloy may have a formula of Zr | 10-16-2014 |
20140311630 | BULK METALLIC GLASS FORMING ALLOY - A bulk metallic glass forming alloy having the following composition x(aZr bHf cM dNb eO) yCu zAI and its preparation from an alloy L=(aZr bHf cM dNb eO), Cu, and Al as well as the use thereof is described. | 10-23-2014 |
20150027592 | AMORPHOUS ALLOY RIBBON AND METHOD OF PRODUCING THE SAME - The invention provides a method of producing an amorphous alloy ribbon, the method including a step of producing an amorphous alloy ribbon by discharging a molten alloy through a rectangular opening of a molten metal nozzle having a molten metal flow channel along which the molten alloy flows, the opening being an end of the molten metal flow channel, onto a surface of a rotating chill roll, in which, among wall surfaces of the molten metal flow channel, a maximum height Rz(t) of a surface t, which is a wall surface parallel to a flow direction of the molten alloy and to a short side direction of the opening, is 10.5 μm or less. | 01-29-2015 |
20150034213 | BULK SOLIDIFYING AMORPHOUS ALLOYS WITH IMPROVED MECHANICAL PROPERTIES - Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt | 02-05-2015 |
20150053312 | Metallic Glass Film for Medical Application - The present invention relates to a metallic glass film for medical application, which is an amorphous thin film metallic glass (TFMG) formed for covering the surface of a substrate (for example, a medical cutting instrument), so as to increase the wear resistance and the sharpness of the substrate, decrease the surface roughness of the substrate, protect the edge of the substrate from curl and chipping crack. In the present invention, the TFMG is a zirconium-based thin film metallic glass constituted by Zr material, Cu material, Al material, and Ta material with the atom percent of 53 at %, 33 at %, 9 at %, 5 at %, respectively. Moreover, the TFMG can also be constituted by Cu material, Zr material, Al material, and Ti material, and the atom percent of the Cu material, the Zr material, the Al material, and the Ti material are 48 at %, 42 at %, 6 at %, 4 at %, respectively. | 02-26-2015 |
20150053313 | ZIRCONIUM-BASED ALLOY METALLIC GLASS AND METHOD FOR FORMING A ZIRCONIUM-BASED ALLOY METALLIC GLASS - A class of alloys is provided that form metallic glass upon cooling below the glass transition temperature Tg at a rate below 100° K/sec. The alloys have a high value of temperature difference (DT) between the crystallization temperature (Tx) and the glass transition temperature (Tg) of the intermetallic alloy. Such alloys comprise zirconium in the range of 70 to 80 weight percent, beryllium in the range of 0.8 to 5 weight percent, copper in the range of 1 to 15 weight percent, nickel in the range of 1 to 15 weight percent, aluminum in the range of 1 to 5 weight percent and niobium in the range of 0.5 to 3 weight percent, or narrower ranges depending on other alloying elements and the critical cooling rate and value of DT desired. Furthermore, methods are provided for making such metallic glasses. | 02-26-2015 |
20150129089 | Hydrogen-Free Amorphous Dielectric Insulating Thin Films With No Tunneling States - A hydrogen-free amorphous dielectric insulating film having a high material density and a low density of tunneling states is provided. The film is prepared by e-beam deposition of a dielectric material on a substrate having a high substrate temperature T | 05-14-2015 |
20150307975 | ZIRCONIUM BASED BULK METALLIC GLASSES WITH HAFNIUM - Various embodiments of zirconium based bulk metallic glass with hafnium are described herein. In one embodiment, an alloy composition includes zirconium (Zr), hafnium (Hf), copper (Cu), aluminum (Al), at least one element from a group consisting of niobium (Nb) and titanium (Ti), and at least one element from a group consisting of nickel (Ni), iron (Fe), and cobalt (Co). | 10-29-2015 |
20150345000 | AMORPHOUS ALLOY AND METHOD FOR PREPARING THE SAME - An amorphous alloy and a method for preparing the amorphous alloy are provided. The amorphous alloy is represented by a formula of (Zr,Hf) | 12-03-2015 |
20150367410 | RAPID DISCHARGE HEATING AND FORMING OF METALLIC GLASSES USING SEPARATE HEATING AND FORMING FEEDSTOCK CHAMBERS - The present disclosure is directed to a method of physically separating and electrically isolating the chamber where the ohmic heating of the feedstock occurs by delivering current through the electrodes (heating barrel), from the chamber where the feedstock deformation and flow through the runner takes place by the motion of the plungers (forming barrel). The method also includes transferring the feedstock from the heating barrel to the forming barrel between the heating and the forming processes at a high enough rate such that negligible cooling and no substantial crystallization of the feedstock occurs during the transfer. | 12-24-2015 |
20160010194 | ZIRCONIUM-BASED AND BERYLLIUM FREE SOLID AMORPHOUS ALLOY | 01-14-2016 |
20160032435 | ZIRCONIUM (ZR) AND HAFNIUM (HF) BASED BMG ALLOYS - The disclosure is directed to Zr and Hf bearing alloys that are capable of forming a metallic glass, and more particularly metallic glass rods with diameters at least 1 mm and as large as 5 mm or larger. The disclosure is further directed to Zr and Hf bearing alloys that demonstrate a favorable combination of glass forming ability, strength, toughness, bending ductility, and/or corrosion resistance. | 02-04-2016 |
20160102391 | Manipulating Surface Topology of BMG Feedstock - Described herein is a feedstock comprising BMG. The feedstock has a surface with an average roughness of at least 200 microns. Also described herein is a feedstock comprising BMG. The feedstock, when supported on a support during a melting process of the feedstock, has a contact area between the feedstock and the support up to 50% of a total area of the support. These feedstocks can be made by molding ingots of BMG into a mole with surface patterns, enclosing one or more cores into a sheath with a roughened surface, chemical etching, laser ablating, machining, grinding, sandblasting, or shot peening. The feedstocks can be used as starting materials in an injection molding process. | 04-14-2016 |
20160104579 | METALLIC GLASS-ALLOYS FOR CAPACITOR ANODES - A metallic glass formed from a Be-containing alloy near eutectic composition has the chemical formula: | 04-14-2016 |
20160108544 | ONE-PIECE ELECTROFORMED METAL COMPONENT - The invention relates to a one-piece metal component including an electroformed metal body, the external surface of the body including, only over or to a predetermined depth, less trapped hydrogen than the rest of the electroformed metal body causing a hardening relative to the rest of the body in order to improve the wear resistance of the one-piece component while preserving a relative magnetic permeability of less than 10 and the ability to be driven or pressed fit. | 04-21-2016 |
20160122557 | CORROSION RESISTANT HYDROPHOBIC COATINGS AND METHODS OF PRODUCTION THEREOF - A cost-effective method of forming a hydrophobic coating on a substrate and coated substrates are disclosed. Specifically, the method comprises applying amorphous powders of an alloy to the substrate through a cold spray process. Also provided is a novel type of hydrophobic coating made of metallic glasses or amorphous alloys. The hydrophobic coatings offer advantages such as, low cost, low maintenance, and high corrosion resistance. | 05-05-2016 |
20160160331 | AMORPHOUS THIN METAL FILM - The present disclosure is drawn to amorphous thin metal films and associated methods. Generally, an amorphous thin metal film can comprise a combination of three metals or metalloids including: 5 at % to 90 at % of a metalloid selected from the group of carbon, silicon, and boron; 5 at % to 90 at % of a first metal selected from the group of titanium, vanadium, chromium, cobalt, nickel, zirconium, niobium, molybdenum, rhodium, palladium, hafnium, tantalum, tungsten, iridium, and platinum; and 5 at % to 90 at % of a second metal selected from the group of titanium, vanadium, chromium, cobalt, nickel, zirconium, niobium, molybdenum, rhodium, palladium, hafnium, tantalum, tungsten, iridium, and platinum, wherein the second metal is different than the first metal. Typically, the three elements account for at least 70 at % of the amorphous thin metal film. | 06-09-2016 |
20160186293 | ZIRCONIUM-BASED AMORPHOUS ALLOY AND METHOD FOR PREPARING THE SAME - A zirconium-based amorphous alloy, having the following formula: (Zr | 06-30-2016 |