| Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951) |
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| 09/19/2012 | CN102676942A Thermal processing technology for petroleum drilling tool material |
| 09/19/2012 | CN102676750A Method and device for compositely modifying medical titanium alloy by laser gas nitriding and impacting |
| 09/19/2012 | CN102672183A Method for producing bevel gear with ratchet on end face through powder metallurgy warm forming |
| 09/19/2012 | CN101982560B Low-cost superhydrophobic surface treatment method of aluminum alloy |
| 09/19/2012 | CN101899639B Method for improving corrosion resistance of hydrogen storage alloy by surface boronising method |
| 09/19/2012 | CN101855370B Method of heat-treating steel, process for producing machine part, and machine part |
| 09/18/2012 | US8268101 Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties |
| 09/18/2012 | US8268094 Furnace atmosphere activation method and apparatus |
| 09/13/2012 | US20120227869 Method for Whisker Formation on Metallic Fibers and Substrates |
| 09/13/2012 | US20120227867 Turbocharger housing with a conversion coating and methods of making the conversion coating |
| 09/12/2012 | EP2497842A1 Modified low temperature case hardening processes |
| 09/12/2012 | EP2497839A1 Method for the treatment of steels |
| 09/12/2012 | CN202430281U Well type carburizing furnace |
| 09/12/2012 | CN102666907A Nitriding process for maraging steel |
| 09/12/2012 | CN102666906A Method for increasing the strength of components made of steel under cyclic load |
| 09/12/2012 | CN102664496A Wear-resistant conducting bar for assembling motor and preparation method thereof |
| 09/12/2012 | CN102661264A Wear-resistant compressor piston and preparation method thereof |
| 09/12/2012 | CN102661263A Wear-resistant compressor piston pin and preparation method thereof |
| 09/12/2012 | CN102660732A Process for preparing (Ti,Al)BN ceramic amorphous-nanocrystalline wear-resistant anti-corrosion composite coating |
| 09/12/2012 | CN102660726A Processing method for colorizing surface of spiral brace spring of piston ring into yellow brown |
| 09/12/2012 | CN102061441B Method for realizing steel surface layer nanocrystallization based on thermal diffusing permeation process |
| 09/12/2012 | CN101603456B Turbocharger housing with a conversion coating and methods of making the conversion coating |
| 09/11/2012 | US8262814 Composite article and method |
| 09/11/2012 | US8262813 Oxygen-enriched niobium wire |
| 09/07/2012 | WO2012117230A1 Method of manufacturing a magnetic substrate for an encoder |
| 09/06/2012 | US20120222778 Rolling/sliding part and production method thereof |
| 09/06/2012 | US20120222777 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby |
| 09/05/2012 | EP2495348A1 A method and apparatus for masking a portion of a component |
| 09/05/2012 | CN202415676U Novel structure provided with hydrogen probe in nitriding furnace |
| 09/05/2012 | CN202415641U Fault diagnosing equipment for heat treatment furnace |
| 09/05/2012 | CN102154613B Rare earth carburizing process using rolling furnace to treat screws |
| 09/05/2012 | CN101948997B Method for surface boriding of hard alloy |
| 09/05/2012 | CN101928911B Heat treatment production line device of piston rod |
| 09/05/2012 | CN101608295B Use method of powder penetrating agent for titanium alloy surface boronizing |
| 08/30/2012 | WO2012115135A1 Nitrided steel member and method for producing same |
| 08/30/2012 | WO2012113019A1 Method of forming durable working surfaces |
| 08/30/2012 | US20120217231 Electron emitter and method of making same |
| 08/30/2012 | US20120216921 Composite article and method |
| 08/30/2012 | US20120216920 Automobile part manufacturing method using quenched steel sheet |
| 08/30/2012 | DE102011012333A1 Hardness protective agent, useful in a method for the partial hardness of metallic workpieces, which prevent diffusion of carbon and/or nitrogen, comprises at least one phosphate glass forming substance |
| 08/29/2012 | EP2491160A1 Method for increasing the strength of components made of steel under cyclic load |
| 08/29/2012 | CN202403511U Pit furnace inner container cover for argon protection |
| 08/29/2012 | CN102071385B Controlled directional solidification nickel-base high-temperature alloy recrystallizing method |
| 08/29/2012 | CN101165856B Oxidation apparatus and method for semiconductor process |
| 08/28/2012 | US8252376 Method for restoring the microstructure of a textured article and for refurbishing a gas turbine blade or vane |
| 08/23/2012 | WO2012111527A1 Steel part, single-cylinder internal combustion engine, saddled vehicle, and process for manufacture of steel part |
| 08/23/2012 | US20120211122 Method for producing carbonitrided member |
| 08/23/2012 | DE10039169B4 Verfahren zur Oberflächenbehandlung eines Kraftstoffpumpenteils A process for surface treatment of a fuel pump part |
| 08/22/2012 | EP1475451B1 METHOD FOR HEAT TREATING Ni BASE ALLOY PIPE |
| 08/22/2012 | CN202391937U Nitriding crankshaft |
| 08/22/2012 | CN102644077A Preparation technology for bionic ceramic/metal laminating composite support coating |
| 08/22/2012 | CN102644050A Method for preparing porous AlN/GaN film |
| 08/22/2012 | CN102644046A Anti-corrosion carbide coating and preparation method thereof |
| 08/22/2012 | CN102644015A Production method for vanadium nitride ferroalloy |
| 08/22/2012 | CN102643972A Control method for carburizing, quenching and deformation of thin wheel disk type large-diameter cylindrical gear |
| 08/22/2012 | CN101935819B Preparation method of titanium dioxide film grown in situ on surface of titanium or titanium alloy material |
| 08/22/2012 | CN101737479B Wear-resistant gear with alloy steel on surface |
| 08/22/2012 | CN101068678B Fuel cell component comprising a complex oxide forming coating |
| 08/21/2012 | US8246761 Workpiece designed for rolling stresses and formed of fully hardening steel, and a heat treatment process therefor |
| 08/16/2012 | WO2012108461A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | WO2012108460A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | US20120205347 Scanned laser light source |
| 08/16/2012 | US20120205012 Boronization Process and Composition with Improved Surface Characteristics of Metals |
| 08/15/2012 | CN202380069U Accuracy control device of carburization gas delivering and exhausting system for vacuum and low-pressure carburization equipment |
| 08/15/2012 | CN102634752A Boriding method of wear-resisting composite member |
| 08/15/2012 | CN102634751A Well-type multi-component cementation special furnace of high-speed locomotive motor overhanging plate spring |
| 08/15/2012 | CN102634750A Method for preparing wetting gradient surface on metal substrate |
| 08/15/2012 | CN102632365A Manufacturing method applicable to cylindrical pin of truss piece |
| 08/15/2012 | CN101208450B Semiconductor materials and methods of producing them |
| 08/14/2012 | US8241530 Metal separator for fuel cell and method for producing the same |
| 08/14/2012 | US8241467 Making a cathode structure for OLEDs |
| 08/09/2012 | WO2012105641A1 Plasma processing device |
| 08/09/2012 | WO2012105405A1 Steel for nitriding and nitrided component |
| 08/09/2012 | WO2012103885A1 Separating device and method for producing a crucible for said separating device |
| 08/08/2012 | EP2484806A2 Surface treatment method and repair method |
| 08/08/2012 | EP2484789A1 Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same |
| 08/08/2012 | EP2484493A1 Shot peening treatment method for steel product |
| 08/08/2012 | CN202369632U Multifunctional carbon potential gas path control device |
| 08/08/2012 | CN202369631U Carbon potential control box |
| 08/08/2012 | CN102628154A Wear-resistant compressor crankshaft and production method thereof |
| 08/07/2012 | US8238078 Valve metal particles uniformly containing nitrogen and the method for preparing the same, the valve metal green pellets and sintered pellets, and the electrolytic capacitor anodes |
| 08/02/2012 | WO2012102233A1 Steel for carburizing or carbonitriding applications |
| 08/02/2012 | US20120192998 Method of manufacturing a magneto-resistance effect element |
| 08/02/2012 | DE112009003650T5 Anschlussdraht fur Solarzelle, Herstellungsverfahren und Lagerverfahren dafur und Solarzelleund Solarzelle Connecting wire for solar cell manufacturing process and storage procedures, and Darfur Solarzelleund solar cell |
| 08/01/2012 | CN202359190U Kerosene filtering and carbon deposition removing device for well carburizing furnace |
| 08/01/2012 | CN202355970U Carbon removal device |
| 08/01/2012 | CN102625859A Method and device for hardening work pieces, and workpieces hardened according to said method |
| 08/01/2012 | CN102618819A Machining process of high-wear-resistance and high-corrosion-resistance bobbin winder cam component |
| 08/01/2012 | CN102618818A Manufacturing method of high-temperature high-pressure large-aperture piston ring |
| 08/01/2012 | CN102618817A Process for machining parts of automobile gear box by using 20CrMnTi steel |
| 08/01/2012 | CN102618816A Method and apparatus for heat treating a metal |
| 07/31/2012 | US8231742 Iron-based composite material and method of manufacturing iron-based composite material |
| 07/31/2012 | US8231741 Method for surface treatment of an internal combustion pistion and an internal combustion piston |
| 07/26/2012 | WO2012098956A1 Shaft for engine |
| 07/26/2012 | US20120186703 Nitriding of niobium steel and product made thereby |
| 07/25/2012 | CN202347080U Hydraulic motor output shaft ion nitriding tool |
| 07/25/2012 | CN202347079U Three-chamber vacuum high-temperature and low-pressure continuous carburization equipment |
| 07/25/2012 | CN102605378A Carburizing and quenching method |
| 07/25/2012 | CN102605315A Heat treatment process for improving performance of nitrocarburizing strengthening layer of steel material workpiece |
| 07/25/2012 | CN102605314A Blackening furnace |