| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 148559000 |
Heating or cooling of solid metal
| 1127 |
| 148538000 |
With casting or solidifying from melt
| 490 |
| 148516000 |
Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product
| 369 |
| 148240000 |
Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore
| 244 |
| 148206000 |
Carburizing or nitriding using externally supplied carbon or nitrogen source
| 219 |
| 148500000 |
Utilizing disclosed mathematical formula or relationship
| 179 |
| 148100000 |
Magnetic materials
| 127 |
| 148508000 |
With measuring, testing, or sensing
| 51 |
| 148513000 |
Treating loose metal powder, particle or flake
| 16 |
| 148194000 |
Chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal
| 12 |
| 148512000 |
Surface melting (e.g., melt alloying, etc.)
| 10 |
| 148558000 |
With vibration (e.g., mechanical, sound, etc.) | 5 |
| 20090007996 | Method for Vibrating a Substrate During Material Formation - A method and apparatus for affecting the properties of a material include vibrating the material during its formation (i.e., “surface sifting”). The method involves the steps of providing a material formation device and applying a plurality of vibrations to the material during formation, which vibrations comprise oscillations having dissimilar, non-harmonic frequencies and at least two different directions. The apparatus includes a plurality of vibration sources that impart vibrations to the material. | 01-08-2009 |
| 20090277541 | METHOD AND APPARATUS FOR HARDENING A SURFACE OF A COMPONENT - A method and apparatus for surface hardening parts is disclosed. To harden a surface of a part, a relative movement, or advancing motion, is established between the part and at least one sonotrode-like tool which is excited in the ultrasonic frequency range. The tool is aligned during the surface hardening in such a way to the surface of the part to be hardened that a tool axis running in the effective direction of the tool runs at an angle to the surface of the part to be hardened. | 11-12-2009 |
| 20100024927 | PROCESS AND APPARATUS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY - A process for producing a semi-solidified slurry of an iron alloy including the steps of pouring a melt of an iron alloy into a semi-solidified slurry producing vessel | 02-04-2010 |
| 20100269960 | METHOD FOR SURFACE PROCESSING A ZIRCONIUM OR HAFNIUM ALLOY, AND COMPONENT PROCESSED IN THIS MANNER - 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 μm 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. | 10-28-2010 |
| 20150344984 | ULTRASOUND-ASSISTING QUENCHING PROCESS AND DEVICE FOR PERFORMING THE SAME - An ultrasound-assisting quenching process includes: S1) connect the workpiece with the ultrasonic unit tightly; S2) heat the workpiece to the quenching temperature and then hold for a period of time; S3) start the ultrasonic unit, then the ultrasound energy can be injected into the workpiece directly; and S4) put the workpiece into the coolant quickly to make the workpiece to be quenched. The device for this process mainly includes the ultrasonic unit and a heating unit. This invention inputs the ultrasound energy into the workpiece during the quenching process. Under the action of the ultrasound, the grain size of the workpiece after quenching process will be much smaller compared with the conventional quenching process. Therefore, the ultrasound-assisting quenching process can improve the strength and plasticity of the material, and extend the life of the workpiece. | 12-03-2015 |
| 148514000 |
Treating consolidated metal powder, per se (i.e., no sintering or compacting step present) | 3 |
| 20100084055 | TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT - A tungsten wire containing 1 to 10% by mass of rhenium has a point which indicates a 2% elongation within a quadrangle formed by joining points with straight lines, where the values of x and y are point (20, 75), point (20, 87), point (90, 75), and point (90, 58), in this order, wherein the wire diameter of the aforementioned tungsten wire is represented by x μm, and the elongation of the tungsten wire is 2% after electrically heating with an electrical current which is a ratio of y % to the fusion current (FC) at the wire diameter x μm, and wherein a semi-logarithmic system of coordinates is expressed by a horizontal axis using a logarithmic scale of the aforementioned wire diameter x and a vertical axis using a normal scale of ratio y to the fusion current. According to the above-described configuration, a tungsten wire having a great elongation even under conditions of high temperature can be provided, and the tungsten wire can exhibit an excellent durability when used as component material for constituting cathode heaters and so forth, and the tungsten wire can be manufactured efficiently. | 04-08-2010 |
| 20110000586 | RARE EARTH MAGNET AND ITS PREPARATION - A rare earth magnet is prepared by disposing a R | 01-06-2011 |
| 20110088817 | METHOD OF FORGING A NICKEL BASE SUPERALLOY - A method of forging a nickel base superalloy comprising providing a nickel base superalloy preform ( | 04-21-2011 |
| 148239000 |
With ion implantation | 1 |
| 20110061770 | METHOD FOR ORDERING A DISORDERED ALLOY AND METHOD FOR MAKING A PERPENDICULAR MAGNETIC RECORDING MEDIUM - A method for ordering a disordered alloy includes: simultaneously ion bombarding and annealing a disordered alloy to transform the disordered alloy from a disordered crystalline state to an ordered crystalline state. A method for making a perpendicular magnetic recording medium which includes an ordered alloy layer is also disclosed. | 03-17-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20080216921 | LEADFRAME TREATMENT FOR ENHANCING ADHESION OF ENCAPSULANT THERETO - A method is provided for treating a leadframe comprising copper or copper alloy to enhance adhesion of molding compound to it. The leadframe is oxidized in an oxidation treatment bath to form copper oxide on the surface of the leadframe. It is then dipped in a complexing or chelating agent to enhance the purity of the copper oxide formed. Thereafter, the leadframe is cleaned with an acid to remove any contaminants remaining on the leadframe. | 09-11-2008 |
| 20090314387 | SYSTEM AND METHOD FOR CONTROLLING INTERACTION BETWEEN SURFACES - A system and method for reducing interaction between surfaces ( | 12-24-2009 |
| 20100101686 | NANOSTRUCTURED AUSTENITIC STEEL AND METHOD OF MAKING NANOSTRUCTURED AUSTENITIC STEEL - A method for producing a nanostructured austenitic sheet by consecutive martensite and austenite phase (γ/α′) transformations, in which the coarse grained austenite sheet transforms to nanocrystalline martensite by strain-induced transformation, and then generates reverse transformation to nanostructured austenite by warm rolling due to dynamic recrystallization. | 04-29-2010 |
| 20110247727 | METHOD FOR PROCESSING MEMBER HAVING EXCELLENT CHEMICAL CONVERSION TREATABILITY - In a method for processing a high-strength member having a high Si content of more than 0.7% by mass, a high-strength steel material containing, on the basis of mass percent, 0.05% or more C, more than 0.7% Si, and 0.8% or more Mn is subjected to processing controlled such that the sum total of absolute surface strains in a predetermined direction each applied in individual process steps of the processing is 5% or more as nominal strain to form a member having a predetermined shape. The member, even containing more than 0.7% Si, can have markedly improved chemical conversion treatability without mechanical grinding or chemical pickling treatment. | 10-13-2011 |
| 20120118433 | Method of modifying thermal and electrical properties of multi-component titanium alloys - A method of increasing the thermal conductivity and decreasing the electrical resistivity of a titanium alloy. Boron is introduced into the titanium alloy to produce TiB precipitates. The TiB precipitates are then aligned in a direction of metal flow by hot metalworking. | 05-17-2012 |
| 20120192997 | THERMO-MECHANICAL PROCESS TO ENHANCE THE QUALITY OF GRAIN BOUNDARY NETWORKS IN METAL ALLOYS - Methods to enhance the quality of grain boundary networks are described. The process can result in the production of a metal including a relatively large fraction of special grain boundaries (e.g., a fraction of special grain boundaries of at least about 55%). | 08-02-2012 |
| 20130105045 | HIGH PERFORMANCE AlSiMgCu CASTING ALLOY | 05-02-2013 |
| 20130248050 | METHOD OF REFINING METAL ALLOYS - Method of refining metal alloys A method of refining the grain size of (i) an alloy comprising aluminium and at least 3% w/w silicon or (ii) an alloy comprising magnesium, comprises the steps of (a) adding sufficient niobium and boron to the alloy in order to form niobium diboride or Al | 09-26-2013 |
| 20140116573 | Method for converting metal with relative low reduction potential into metal with relative high reduction potential without changing its shape - A method for converting a metal with a relative low reduction potential into a metal with a relative high reduction potential without changing its shape is disclosed, which comprises the following steps: providing a first metal substrate and a reaction solution comprising a second metal precursor, a cation surfactant, and a weak reducing agent; and placing the first metal substrate into the reaction solution for a predetermined time to convert the first metal substrate into a second metal substrate. Herein, the reduction potential of a first metal of the first metal substrate is lower than that of a second metal of the second metal substrate, and the shapes of the first metal substrate and the second metal substrate are the same. | 05-01-2014 |
| 20140283952 | MAGNETIC AND ELECTRICAL PROCESSING OF METALS, METAL ALLOYS, METAL MATRIX COMPOSITE PARTS AND COMPONENTS - A method of processing a metal for improved damping of a metal part is provided. The method comprises placing the metal part inside a current carrying coil and closing a circuit for to apply current to the coil, thus producing a magnetic field in the metal part. Thereafter, the circuit is opened for a time and then the circuit is closed a second time to apply a second current to the coil. The circuit is then opened a second time and the metal part is removed from the current carrying coil. | 09-25-2014 |
