| 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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| 07/10/2013 | CN103194719A High-performance ceramic piston ring manufacturing technology |
| 07/10/2013 | CN103194718A High-temperature corrosion resisting zirconium alloy tube and laser surface pre-oxidation method of zirconium alloy tube |
| 07/10/2013 | CN103194717A Technology for preparing silver zinc oxide wire by using wire oxidation technology |
| 07/10/2013 | CN103194710A Surface wear-resistance treatment technology of 20 steel |
| 07/10/2013 | CN102517541B Gas nitriding treatment method of 11Cr17 stainless steel slip sheet |
| 07/10/2013 | CN102373399B Lorry spiral bevel gear double-row rare earth continuous gas carburization heat treatment equipment |
| 07/10/2013 | CN102330050B Titanium surface coloring process |
| 07/09/2013 | US8480817 Thermal mechanical processing of stainless steel |
| 07/09/2013 | US8479396 Method for hardening running surfaces of roller bearing components |
| 07/09/2013 | CA2584071C Strip product forming a surface coating of perovskite or spinel for electrical contacts |
| 07/03/2013 | EP2610363A1 Method for modifying light absorption layer |
| 07/03/2013 | EP2610362A1 Cr-containing austenite alloy pipe and production method for same |
| 07/03/2013 | CN203034103U Hot air injection heating and shot blasting energy injection chemical heat treatment furnace |
| 07/03/2013 | CN203034078U Soft-nitriding heat treatment continuous furnace |
| 07/03/2013 | CN203034077U Steam function based metal material surface modifying equipment |
| 07/03/2013 | CN103184457A Surface alloying strengthening method |
| 07/03/2013 | CN103184408A Heat treatment method for metal layer, and product thereof |
| 07/03/2013 | CN103184407A Heat treatment method for metal layer, and product thereof |
| 07/03/2013 | CN102383087B Ion nitriding tool for output shaft of hydraulic motor |
| 07/03/2013 | CN102134695B Gas-phase method for preparing phosphating film on inner wall of pipeline |
| 07/02/2013 | US8476743 C-rich carbon boron nitride dielectric films for use in electronic devices |
| 07/02/2013 | US8475606 In-situ oxidized thermally applied ceramic coating |
| 07/02/2013 | US8475605 Surface layer-hardened steel part and method of manufacturing the same |
| 06/27/2013 | WO2013090987A1 Method of treatment |
| 06/27/2013 | DE102011089829A1 Method for performing surface treatment in striking surface of metallic brake disc, involves performing thermal diffusion handling in striking surface of brake disc before applying surface coating to striking surface |
| 06/26/2013 | EP2607507A1 High-strength titanium alloy member and process for production thereof |
| 06/26/2013 | CN103180476A Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component |
| 06/26/2013 | CN102505098B Low-alloy heat-resistant high-strength steel and member thereof |
| 06/26/2013 | CN102345006B Method for manufacturing screw |
| 06/25/2013 | US8470097 Silicon-containing steel compostition with improved heat exchanger corrosion and fouling resistance |
| 06/25/2013 | US8469081 Corrosion resistant material for reduced fouling, a heat transfer component having reduced fouling and a method for reducing fouling in a refinery |
| 06/20/2013 | WO2013090243A1 Formation of a supra-monolayer nanopattern and its uses |
| 06/20/2013 | WO2013087379A1 Roller bearing component |
| 06/20/2013 | US20130157131 Electrically conductive layer coated aluminum material and method for manufacturing the same |
| 06/20/2013 | DE102011121546A1 Verfahren zur Strukturierung einer Oberfläche eines Werkstücks A method for structuring a surface of a workpiece |
| 06/20/2013 | DE102011121545A1 Verfahren zur Strukturierung und chemischen Modifikation einer Oberfläche eines Werkstücks Process for the structuring and chemical modification of a surface of a workpiece |
| 06/19/2013 | CN203007379U Magnetic driving adjustable observation window for ion-nitriding furnace |
| 06/19/2013 | CN203007378U Carburizing and nitriding furnace for continuous production |
| 06/19/2013 | CN203007332U Supporting device for carburizing and quenching disk type thin-all gear |
| 06/19/2013 | CN103161825A Air-cooled local-hardened miniature guide rail and manufacturing method thereof |
| 06/19/2013 | CN103160774A Medium and low-carbon alloy constructional steel surface pressurization gas-nitridation method |
| 06/19/2013 | CN102409283B Self-cleaning device capable of effectively clearing carbon black on insulating part of vacuum low-pressure carburization equipment |
| 06/19/2013 | CN102400086B Titanium alloy oxygen permeation surface strengthening treatment method |
| 06/19/2013 | CN102368512B Method for preparing CuInS2 on substrate by utilizing electrochemical and solid vulcanizing method |
| 06/19/2013 | CN102191451B Double-hearth continuous rare earth carburizing equipment and process thereof |
| 06/19/2013 | CN102154614B 真空渗碳处理方法以及真空渗碳处理装置 Vacuum carburization processing method and a vacuum carburization processing apparatus |
| 06/19/2013 | CN102061470B Methods and systems for barrier layer surface passivation |
| 06/19/2013 | CN101586483B Wear resistant camshaft and follower material |
| 06/18/2013 | US8465599 Chromiun-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components |
| 06/18/2013 | US8465598 Vacuum carburization processing method and vacuum carburization processing apparatus |
| 06/13/2013 | WO2013084034A1 Method of improvement of mechanical properties of products made of metals and alloys |
| 06/13/2013 | US20130146181 Steel for carburizing, carburized steel component, and method of producing the same |
| 06/12/2013 | EP2601321A1 A method for shot peening a gas carburised steel |
| 06/12/2013 | EP2601320A1 A method for shot peening |
| 06/12/2013 | CN202989270U Non-vacuum step-by-step pass type fast selenizing device |
| 06/12/2013 | CN103154297A High-strength steel sheet and method for producing same |
| 06/12/2013 | CN103153496A Boronized laying pipe |
| 06/12/2013 | CN103147085A On-line blueing technology of electric steel and substitute DD750 cold rolled strip thereof |
| 06/12/2013 | CN103147084A Vertical continuous annealing furnace bluing device and bluing technology thereof |
| 06/12/2013 | CN103147083A Dust-resistant wear-resistant cylinder liner production technology |
| 06/12/2013 | CN103147036A Local carburization method of automobile air-conditioning compressor part |
| 06/12/2013 | CN103146892A Femtosecond laser surface pretreatment method for improving bonding state of layer base or film base |
| 06/12/2013 | CN102154612B Gas phase deactivation method for petrochemical device |
| 06/12/2013 | CN101988180B Intelligent control gas multi-component permeation furnace and control method thereof |
| 06/12/2013 | CN101549170B Human body absorbable blood vessel support and its manufacturing method |
| 06/06/2013 | WO2013081451A1 Heat treatment process in a manufacturing method for a drive belt metal ring component |
| 06/06/2013 | WO2013079448A2 Diffusion blocking layer in an exhaust treatment unit |
| 06/06/2013 | DE102012002283B3 Verfahren zum Herstellen eines Turbinenrotors A method of manufacturing a turbine rotor |
| 06/05/2013 | CN202970936U Nitrided scraping blade |
| 06/05/2013 | CN202968672U Die with wear-resistant layer |
| 06/05/2013 | CN202968671U Mandrel for carburizing, quenching and shaping synchronizing cone |
| 06/05/2013 | CN103140597A High-strength steel sheet and method for producing same |
| 06/05/2013 | CN103140275A Catalyst for direct decomposition of nitric oxide and method of manufacturing the catalyst |
| 06/05/2013 | CN103132087A Technology for controlling hardness distribution of material for 23CrNi3Mo drill tool |
| 06/05/2013 | CN103132085A Inner wall surface hardening processing method |
| 06/05/2013 | CN103132010A Low-temperature nitrogenization heat processing process |
| 06/05/2013 | CN103131954A Preparation method of fracture-resistant steel rope bolt |
| 06/05/2013 | CN102031480B Ferrous sulfide gas-phase passivation method |
| 05/30/2013 | WO2013077363A1 Ferritic heat-resistant steel, and manufacturing method for same |
| 05/30/2013 | WO2013077298A1 Hot-rolled steel sheet for nitriding and cold-rolled steel sheet for nitriding with excellent fatigue strength and manufacturing method therefor, as well as automobile parts of excellent fatigue strength using same |
| 05/30/2013 | US20130133995 Brake rotors having a custom designer feature and methods for forming the same |
| 05/29/2013 | DE19982613B3 Hochtemperatur-Wälzlagerteil High temperature bearings part |
| 05/29/2013 | CN202954084U Preparation device of deep hole ion nitridation oil pipe |
| 05/29/2013 | CN103122446A Quantitative titanium nitriding carbonitriding technique |
| 05/29/2013 | CN103122445A New salt bath sulfurizing process |
| 05/29/2013 | CN103122444A Novel ion nitriding furnace with hot air circulation function |
| 05/29/2013 | CN102159747B Fluoridation treatment method, fluoridation treatment device, and method for using fluoridation treatment device |
| 05/28/2013 | US8449694 Method for producing a surface-decarburised hot-rolled strip |
| 05/23/2013 | WO2013034484A3 Packed tower |
| 05/23/2013 | US20130126049 Process for carbonitriding metallic components |
| 05/23/2013 | US20130126048 Nitrogen Alloyed Martensitic Stainless Steel and Process |
| 05/23/2013 | US20130125872 Hard face structure, body comprising same and method for making same |
| 05/22/2013 | EP2593580A1 Process chamber pressure control system and method |
| 05/22/2013 | CN202948803U Neodymium iron boron magnetic body |
| 05/22/2013 | CN202945312U Nitrogen determination sampling pipe structure of nitriding furnace |
| 05/22/2013 | CN202945311U Furnace lining structure of vertical pit-type gas carburizing furnace |
| 05/22/2013 | CN202945291U Gear carburizing and quenching installing and hanging device |
| 05/22/2013 | CN103119189A Steel for carburizing, carburized steel component, and method for producing same |
| 05/22/2013 | CN103119188A Steel for carburizing, carburized steel component, and method for producing same |
| 05/22/2013 | CN103114292A Laser-cladded oil well pipe subjected to multicomponent cementation compound treatment and production process and device |