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)
05/2004
05/19/2004EP1420078A2 Brearing steel excellent in corrosion resistance
05/19/2004EP1419538A2 Methods and reactors for forming superconductor layers
05/19/2004EP1419314A1 Fuel injection valve for internal combustion engines and a method for hardening said valve
05/19/2004EP1419281A2 Method for increasing the dynamic stability under load of a toothed structural component
05/19/2004DE10249580A1 Process for improving the surface quality of titanium and titanium alloys comprises hydrating the surface and oxidizing annealing
05/19/2004CN1497639A Manufacturing method of electronic transmitting element, electronic source and image forming device using carbon fibre, ink made of carbon fibre
05/19/2004CN1497194A Rolling bearing filled with balls and ball cam follower for engine
05/19/2004CN1497136A Integral sprocket and case and manufacturing method thereof
05/13/2004WO2004040033A1 Method for under-pressure carburizing of steel workpieces
05/13/2004WO2004039517A1 Mold for casting and method of surface treatment thereof
05/13/2004US20040089630 Surface modification method
05/13/2004US20040088921 Gas generator and method for generating a treatment gas, which contains co and h2 for heat treating metallic material
05/13/2004DE10250432A1 Verfahren zum mechanischen Ausformen von Hinterlegungen an Sinterformteilen auf Eisenbasis Method of mechanically forming of deposits on sintered components based on iron
05/12/2004EP1417046A1 Furnace run length extension by fouling control
05/11/2004US6733600 Nitrided maraging steel and method of manufacture thereof
05/06/2004US20040086660 Method for the preparation of a substrate for immobilising chemical compounds and the substrate and the use thereof
05/06/2004US20040086637 Washing metal substrate with an acid or alkali, drying; coating metal particles onto the metal substrate to form a metal particle layer; partially sintering metal particle layer; calcining metal substrate to form metal oxide film
05/06/2004US20040086413 Process for mechanically forming undercuts on sintered shaped parts based on iron
05/06/2004US20040084113 Low temperature plasma carburization; wear, corrosion, and friction resistance
05/06/2004US20040083954 Coating device
05/05/2004CN1493772A Roller element and its mfg. method
05/04/2004US6730537 Coupling arrays of metal, alloy, semiconductor or magnetic clusters scaffold comprising, for example, polynucleotides and/or polypeptides
04/2004
04/29/2004WO2004035863A1 Titanium material having coating layer at its surface, laminated glass including the same and process for producing them
04/29/2004WO2004035853A1 Hydrocarbon gas mixture for the under-pressure carburizing of steel
04/29/2004WO2004035850A1 Superfine grain steel having nitrided layer
04/29/2004WO2004035839A1 Screw or tapping screw
04/29/2004WO2004035309A1 Composite metal/ceramic product having surface compressive stresses
04/29/2004US20040081767 Ceramic masking material and application method for protecting turbine airfoil component surfaces during vapor phase aluminiding
04/29/2004US20040079448 Spall propagation properties of case-hardened M50 and M50NiL bearings
04/29/2004US20040079310 Full-type rolling bearing and roller cam follower for engine
04/28/2004EP1413638A1 MATERIAL BEING RESISTANT TO CHLORIDE−CONTAINING MOLTEN SALT CORROSION, STEEL PIPE FOR HEAT EXCHANGER COATED WITH THE SAME, AND METHOD FOR PRODUCTION THEREOF
04/28/2004EP1413631A2 Improved spall propagation properties of case-hardened M50 and M50NIL bearings
04/28/2004EP1412551A2 Method of making a passivated surface
04/28/2004EP1412175A1 Insulating and functionalizing fine metal-containing particles with comformal ultra-thin films
04/28/2004EP1198619B1 Bond coats for turbine components and method of applying the same
04/28/2004CN1492076A Large area tungsten Molybdenum and its oxide nano wires and array and their preparation and use
04/27/2004US6726468 Pre-heating dilution gas before mixing with steam in diffusion furnace
04/27/2004CA2283213C Method of and device for producing carbide and carbon solid solution containing surface layers
04/22/2004WO2004033750A1 Plasma-assisted micro-scale material deposition
04/22/2004WO2004033115A1 In situ phosphatizing and silicating coatings and method of making same
04/22/2004US20040076776 arranging metal plate of a solid solution type alloy on a ceramic substrate and heating the metal plate and the ceramic substrate in a non-oxidizing atmosphere at temperature lower than melting point of the alloy to bond plate to ceramic
04/22/2004DE10247807A1 Metal/ceramic composite product with surface strains used in the production of engine parts and hydraulic components comprises a structure composed of several layers with different expansion coefficients
04/21/2004EP1411151A1 METAL FOIL CONSISTING OF ALLOY OF EARTH−ACID METAL, AND CAPACITOR PROVIDED WITH THE SAME
04/21/2004EP1411142A1 Full-type rolling bearing and roller cam follower for engine
04/21/2004EP1409761A1 Method for carburizing and carbonitriding steel by carbon oxide
04/21/2004EP1409760A1 Method of surface oxidizing zirconium and zirconium alloys and resulting product
04/21/2004EP1409195A1 Welding electrode made of tungsten or a tungsten alloy
04/21/2004CN1490429A Quick oxygen infiltration hardening method for titanium and its alloy
04/21/2004CN1146673C Process for osmosizing oxygen to Ti alloy
04/20/2004US6723475 Multilayer
04/20/2004US6723388 Method of depositing nanostructured films with embedded nanopores
04/20/2004US6723240 Sludge removing device
04/20/2004US6723177 Life extension of chromium coating and chromium alloys
04/20/2004US6723175 Formed member made of steel sheet and method for producing same
04/15/2004WO2004031434A1 Surface-carbonitrided stainless steel parts excellent in wear resistance and method for their manufacture
04/15/2004WO2004031432A2 Method and device for low-pressure carburising
04/15/2004WO2004030830A1 Nanostructured and nanoporous film compositions, structures, and methods for making the same
04/15/2004US20040071877 Chemical vapour infiltration method for densifying porous substrates having a central passage
04/15/2004US20040071379 Rolling bearing with nitriding steel cylindrical rollers
04/15/2004US20040069654 Method for chlorine plasma modification of silver electrodes
04/15/2004US20040069378 Containing 7-30 ppm by weight boron and 10-70 ppm by weight nitrogen, contained as a Fe(B,N) solid solution that may contain C
04/14/2004EP1407158A2 Enhanced capacity bearing
04/14/2004CN1145714C Method and equipment for vacuum carburization and products of carburization
04/13/2004US6719853 Coating the surface with a high temperature stable surface coating or by a controlled development of an oxide scale and subsequently performing a solution heat treatment
04/13/2004CA2183625C Copper catalysts
04/08/2004WO2004029320A1 Method of nitriding metal ring and apparatus therefor
04/08/2004WO2004029314A1 Machine part and method for manufacturing same
04/08/2004WO2004029311A1 Refined aluminium strip or sheet for electrolytic capacitors
04/08/2004WO2002084708A3 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same
04/08/2004US20040067320 Modifying grain structure to improve oxidation resistance
04/08/2004US20040066040 Tube fitting with separable tube gripping ring
04/08/2004DE4211395B4 Verfahren zum Nitrocarburieren oder Carbonitrieren von Werkstücken und Ofen hierzu A method for Nitrocarburizing or carbonitriding of workpieces and oven this
04/08/2004DE10243179A1 Case hardening steel used in the manufacture of workpieces e.g. for the construction of vehicles contains alloying additions of chromium, niobium and titanium
04/07/2004CN2609939Y Well gas carburising furnace
04/07/2004CN1488007A Method of salt bath nitriding for producing iron member having improved corrosion resistance and iron parts
04/07/2004CN1144892C Steel plate with Tin+Cus precipitate used for welded structure, producing method thereof and produced welded structure with the same
04/06/2004US6716725 Plasma processing method and semiconductor device
04/01/2004WO2004027105A1 Method, equipment, and material for creating a surface on a metal
04/01/2004WO2003096389A3 Metal object to be at least partially coated with a substance
04/01/2004US20040063839 Method of producing an electron emitting device using a carbon fiber using a catalyst, capable of preferably growing carbon fibers at a low temperature without the need of a high temperature process for growing the carbon fibers or a high
03/2004
03/31/2004EP1401324A2 Surgicals metals with improved hardness and methods of making same
03/31/2004CN2608516Y Oxygen nitrogen surface heat treatment device
03/30/2004US6713519 Layer of carbon nanotubes on a support material having through-porosity, and a surface-exposed catalyst; catalysis of fischer-tropsch process; improved catalytic performance
03/30/2004US6713187 Removing or preventing the formation of inorganic mineral films of forsterite (mg2sio4);
03/30/2004US6713177 Insulating and functionalizing fine metal-containing particles with conformal ultra-thin films
03/30/2004US6712952 Placing anode and electrode comprising solid compound in contact with fused salt electrolyte, applying voltage so potential is lower than deposition potential for salt cation at electrode surface and substance dissolves in electrolyte
03/25/2004WO2004024970A1 High temperature alloy particularly suitable for a long-life turbocharger nozzle ring
03/25/2004WO2003095696A3 Method and device for eliminating oxide(s) present on the surface of a metal material and for restoring an oxide layer of said surface
03/25/2004US20040058287 Pre-heating dilution gas before mixing with steam in diffusion furnace
03/25/2004US20040058205 For use in fuel cells, electronics
03/25/2004US20040058191 Compliant layer coating for a ceramic turbine blade wherein the layer is capable of operating at higher temperatures and levels of stress in an oxidizing environment
03/25/2004US20040055670 Hot forming tool steels; hardening, depassivation before nitriding
03/25/2004DE10242616A1 Carburizing process comprises feeding a hydrocarbon-containing treatment gas into a treatment chamber containing a reference sample having a defined carburizing surface and removing a waste gas stream from the chamber using a vacuum pump
03/24/2004EP1400660A1 Sintered integrated sprocket and housing with nitride coating and manufacturing method thereof
03/24/2004EP1400606A1 Method of carburizing a bearing steel to produce a roller member
03/24/2004CN1483854A Method and apparatus for blackening component
03/24/2004CN1143007C Stainless steel plate with enriched copper crystal and/or copper coagulated layer dispersed in substrate
03/24/2004CN1143006C Sintered sprocket and mfg. method thereof
03/23/2004US6709629 Vacuum heat treatment furnace
03/18/2004WO2004022809A1 Ultra-low carbon stainless steel
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