Class / Patent application number | Description | Number of patent applications / Date published |
148561000 | Passing through an amorphous state or treating or producing an amorphous metal or alloy | 23 |
20080196798 | Surface modification method for conductive metal material - Spherical particles having curvatures larger than those of irregularities, crystal grain boundaries, lattice defects or the like (referred to collectively as irregularities, hereinafter) on the surface of a conductive metal material are ejected at high speeds to make the particles collide against the surface of the conductive metal material, thereby repeatedly causing rapid melting and cooling at the minute points of impact of the particles, thereby changing the surface into amorphous. Then, spherical particles having curvatures smaller than those of irregularities on the surface subjected to the treatment described above collide against the surface, thereby changing the surface into amorphous and planarizing the surface. | 08-21-2008 |
20080202649 | TiZr-Based Metallic Alloys: Controllable Composite Phase Structures and Related Properties - Composite phase structure of early transition metal-based metallic alloys, including those of crystalline, quasicrystalline and amorphous phases, can be obtained in a controllable way upon direct (in-situ) cooling (solidification) of the alloy, realized either by adjusting the alloy compositions at a fixed cooling rate or by changing the cooling rates for a given alloy composition. Some embodiments are based on the addition of later transition metals, mainly of Cu with Ni or Fe with Co in early transition metal based (mainly Ti and Zr or Hf and Nb) metallic alloys. If cooling rate is on the scale of 10 | 08-28-2008 |
20080257458 | Method for Case Hardening a Component by Means of Oil Jets and Device for Carrying Out Said Method - A method for treating a component comprising a metallic or ceramic material with a crystalline, semi-crystalline or amorphous structure. According to the method, to caseharden the component, at least part of the surface of the component is exposed to an oil jet, while the temperature of the oil and/or the component is regulated. Also disclosed is a device for carrying out the method. | 10-23-2008 |
20090000707 | SEMI-SOLID PROCESSING OF 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 | 01-01-2009 |
20090107590 | Soft magnetic alloy for microwire casting - An alloy, which can be used in a microwire, contains 26 to 52 weight % Fe; 26 to 52 weight % Co; 3.0 to 38.0 weight % Ni; at least one selected from the group consisting of 1.0 to 8.0 weight % V, 1.0 to 8.0 weight % Cr, 1.0 to 8.0 weight % Zr, 1.0 to 8.0 weight % Dy and 1.0 to 8.0 weight % Nb; at least one selected from the group consisting of 2.0 to 8.3 weight % Si and 2.0 to 8.3 weight % B; and at least one selected from the group consisting of 0.2 to 1.6 weight % Ce, 0.2 to 1.6 weight % La and 0.2 to 1.6 weight % Y. When cast in a microwire, the alloy can be substantially amorphous. | 04-30-2009 |
20090194205 | Bulk Metallic Glass/Graphite Composites - A composite material based on a bulk metallic glass is disclosed. In an amorphous alloy phase forming a substantially continuous matrix, a second phase comprising graphite particles is embedded. The alloy is preferably zirconium based. The particles may have a carbide surface layer, which may be formed phase comprising carbide particles may also be present. The composite material has high plasticity, high yield strength, good elasticity and low coefficient of friction, which renders it a good candidate for applications like joints, frictional bearings or Springs. | 08-06-2009 |
20090236017 | FORMING OF METALLIC GLASS BY RAPID CAPACITOR DISCHARGE - An apparatus and method of uniformly heating, rheologically softening, and thermoplastically forming metallic glasses rapidly into a net shape using a rapid capacitor discharge forming (RCDF) tool are provided. The RCDF method utilizes the discharge of electrical energy stored in a capacitor to uniformly and rapidly heat a sample or charge of metallic glass alloy to a predetermined “process temperature” between the glass transition temperature of the amorphous material and the equilibrium melting point of the alloy in a time scale of several milliseconds or less. Once the sample is uniformly heated such that the entire sample block has a sufficiently low process viscosity it may be shaped into high quality amorphous bulk articles via any number of techniques including, for example, injection molding, dynamic forging, stamp forging, and blow molding in a time frame of less than 1 second. | 09-24-2009 |
20090288741 | Amorphous Alloy and A Preparation Method Thereof - In one aspect, an amorphous alloy comprises Cu, Zr, Be and M. M is at least one element selected from a group consisting of Al, Sn, Si, group IB, group IIB, group IIIB, group IVB, group VB, group VIB, group VIIB and group VIIIB of the element periodic table, provided that the element is not Cu or Zr. In another aspect, an amorphous alloy comprises Cu, Zr, RE and M. RE is at least one element selected from the rare earth elements, M is at least one element selected from a group consisting of Al, Sn, Si, group IB, group IIB, group IIIB, group IVB, group VB, group VIB, group VIIB and group VIIIB of the element periodic table, provided that the element is not Cu, Zr or RE. In yet another aspect, a method for preparing an amorphous alloy comprises melting a raw material comprising Cu, Zr, Be, and M to form an alloy. M is at least one element selected from a group consisting of Al, Sn, Si, group IB, group IIB, group IIIB, group IVB, group VB, group VIB, group VIIB and group VIIIB of the element periodic table, provided that the element is not Cu or Zr. | 11-26-2009 |
20100065163 | DUCTILE METALLIC GLASSES - This application deals with glass forming iron based alloys which when produced as a metallic glass or mixed structure comprising metallic glass and nanocrystalline phases, results in extraordinary combinations of strength and ductility. Specifically, high strain up to 97% and high strength up to 5.9 GPa has been measured. Additionally, consistent with the amorphous structure high elasticity up to 2.6% has been observed. Thus, the new alloys developed result in structures and properties which yield high elasticity corresponding to a metallic glass, high plasticity corresponding to a ductile crystalline metal, and high strength as may be observed in nanoscale materials. | 03-18-2010 |
20110048587 | Amorphous Alloy Materials - Design and fabrication processes and compositions for bulk metallic glass materials. Examples of bulk metallic glasses based on the described compositions may contain a high atomic percent of titanium or iron, which is alloyed with metalloid elements and 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 alloys have increased specific strengths and corrosion resistance compared to conventional high strength steels. | 03-03-2011 |
20110247731 | METHOD FOR PRODUCING STRAIN INDUCED AUSTENITE - This disclosure relates to shape memory alloys which have been subjected to a thermal and mechanical treatment to increase the austenite start temperature A | 10-13-2011 |
20120067468 | AMORPHOUS MAGNETIC ALLOYS, ASSOCIATED ARTICLES AND METHODS - An amorphous magnetic alloy is presented. The alloy has the general formula: (Fe | 03-22-2012 |
20120103478 | HIGH ASPECT RATIO PARTS OF BULK METALLIC GLASS AND METHODS OF MANUFACTURING THEREOF - Bulk metallic articles having a high-aspect ratio that are formed of bulk metallic glass, that are net-shaped and that are produced under process conditions that maximize the quality and integrity of the parts as well as the life of the mold tool, thus minimizing production costs, and manufacturing methods for producing such articles are provided. | 05-03-2012 |
20120222785 | AMORPHOUS ALLOY DIE CAST AND HEAT TREATMENT PROCESS OF THE SAME - A heat treatment process for an amorphous alloy die cast comprises: the amorphous alloy die cast is subjected to an aging treatment at a temperature of about 0.5-0.6 Tg, for a time of about 10 minutes to about 24 hours. The amorphous alloy die cast comprises Zr, and is represented by a formula of (Zr | 09-06-2012 |
20130025746 | TWIN ROLL SHEET CASTING OF BULK METALLIC GLASSES AND COMPOSITES IN AN INERT ENVIRONMENT - Sheet casting of metallic glasses and twin roll sheet casting of bulk metallic glasses and composite in an inert environment. Samples may be heated by RF to a temperature in the semi-solid region. After semi-solid processing, the partial liquid then may be poured or injected to achieve the desired shape. Plates of metallic glasses and/or metallic glass matrix composites may be formed (for example, through diecasting) and serve as a pre-form for rolling. In this configuration, the plates may be lowered through a radio frequency coil into compressing wheels, directly next to or below the coil. As the plates pass through the coil they may heat to above the glass transition temperature. Next, they may be fed into the rolling wheel to thermoplasically form the plates into thinner sheets. | 01-31-2013 |
20130248057 | METHOD FOR FORMING PATTERNS ON SUBSTRATES AND ARTICLES MANUFACTURED BY THE SAME - A method for forming pattern on substrate comprises steps of: providing a metal substrate; amorphousizing the metal substrate to from an amorphous pattern layer in the metal substrate; etching the metal substrate and forming an etching portion in the surface of the metal substrate which is not covered with the amorphous pattern layer. The article manufactured by the method is also provided. | 09-26-2013 |
20130333814 | TITANIUM-BASED BULK AMORPHOUS MATRIX COMPOSITE AND METHOD OF FABRICATING THEREOF - A Ti-based bulk amorphous matrix composite including a composition represented by Formula 1, in at %: | 12-19-2013 |
20130340897 | HIGH THERMAL STABILITY BULK METALLIC GLASS IN THE ZR-NB-CU-NI-AL SYSTEM - Disclosed is an improved bulk metallic glass alloy and methods of making the alloy in which the alloy has the structure Zr | 12-26-2013 |
20140096874 | PLATINUM BASED ALLOYS - An article made of an alloy of the general formula Pt | 04-10-2014 |
20140283959 | TAMPER RESISTANT AMORPHOUS ALLOY JOINING - A method to form an enclosure or assembly which is fitted together and joined via a thermoplastic forming operation in order to seal the enclosure and hinder attempts to tamper with the contents. | 09-25-2014 |
20150090375 | CELLULOSIC AND SYNTHETIC POLYMERIC FEEDSTOCK BARREL FOR USE IN RAPID DISCHARGE FORMING OF METALLIC GLASSES - The present disclosure is directed to the use of cellulosic materials, such as wood, paper, etc., or synthetic polymeric materials, such as a thermoplastic, rubber, etc., or a composite containing one or more of these materials as feedstock barrels for the process of injection molding of metallic glasses by rapid capacitor discharge forming (RCDF) techniques. | 04-02-2015 |
20160002086 | FOAMS MADE OF AMORPHOUS HOLLOW SPHERES AND METHODS OF MANUFACTURE THEREOF - Novel cellular solids and foams from amorphous materials with a glass transition temperature (T | 01-07-2016 |
20160017460 | FREEFALL FORMING OF BULK METALLIC GLASS FEEDSTOCK AND SHEET MATERIAL - The disclosure is directed to freefall methods and apparatuses for preparation of amorphous BMG feedstock and sheet material. In certain aspects, the disclosure relates to methods and apparatuses for contactless formation of BMG feedstock and sheet material via a drop-tower. In certain embodiments, the methods comprise releasing droplets of molten amorphous alloy into a cooled, pressurized chamber of a drop-tower, wherein the droplets traverse the chamber through freefall to thereby form BMG feedstock or sheet material. | 01-21-2016 |