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Browse by Category: Main > Material Science
Class Information
Number: 419/40
Name: Powder metallurgy processes > Powder metallurgy processes with heating or sintering > Consolidation of powder prior to sintering > Specific pressure or lack or pressure recited > Slip or slurry
Description: Processes wherein powder to be consolidated is suspended in a liquid medium.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7329381 Method for fabricating a metallic article without any melting Feb. 12, 2008
7163657 Cemented carbide body containing zirconium and niobium and method of making the same Jan. 16, 2007
7070734 Blended powder solid-supersolidus liquid phase sintering Jul. 4, 2006
6878182 Method of making tungsten carbide based hard metals Apr. 12, 2005
6843960 Compositionally graded metallic plates for planar solid oxide fuel cells Jan. 18, 2005
6840978 Porous metal article, metal composite material using the article and method for production thereof Jan. 11, 2005
6733562 Method of producing hard metal grade powder May. 11, 2004
6537488 Process for handling powder green compacts and rare earth metal-based magnet Mar. 25, 2003
6428904 X-ray target Aug. 6, 2002
6336950 Electrode rod for spark deposition, process for the production thereof, and process for covering with superabrasive-containing layer Jan. 8, 2002
6274083 Method of producing a hollow piston for a hydrostatic power unit Aug. 14, 2001
6261336 Stable aqueous iron based feedstock formulation for injection molding Jul. 17, 2001
6159308 Rare earth permanent magnet and production method thereof Dec. 12, 2000
6063314 Method for accurate replication of shaped articles using sinterable powders May. 16, 2000
5972286 Process for manufacturing hard metal parts Oct. 26, 1999
5897962 Method of making flowable tungsten/copper composite powder Apr. 27, 1999
5846664 Porous metal structures and processes for their production Dec. 8, 1998
5848351 Porous metallic material having high specific surface area, method of producing the same, porous metallic plate material and electrode for alkaline secondary battery Dec. 8, 1998
5697042 Composite cermet articles and method of making Dec. 9, 1997
5665395 Device for injection molding of slurries Sep. 9, 1997
5592686 Porous metal structures and processes for their production Jan. 7, 1997
5520878 Aluminum nitride body and method for forming said body utilizing a vitreous sintering additive May. 28, 1996
5415833 Method for forming molten carbonate fuel cell anodes May. 16, 1995
5405570 Method of preparing a durable air-permeable mold Apr. 11, 1995
5403544 Method for forming hard particle wear surfaces Apr. 4, 1995
5399438 Stainless steel member and method of manufacturing stainless steel member Mar. 21, 1995
5340532 Method for forming ceramic powders by temperature induced flocculation Aug. 23, 1994
5284615 Method for making injection molded soft magnetic material Feb. 8, 1994
5260018 Conglomerate metallic material Nov. 9, 1993
5219520 Process of making a porous metal block for removing solder or braze Jun. 15, 1993
5190709 Reaction injection molding of ceramics using a ceramic precursor as a binder Mar. 2, 1993
5165592 Method of making refiner plate bars Nov. 24, 1992
5132080 Production of articles from powdered metals Jul. 21, 1992
5110541 Method of manufacturing electrodes of molten carbonate fuel cell May. 5, 1992
5098620 Method of injection molding ceramic greenward composites without knit lines Mar. 24, 1992
5047181 Forming of complex high performance ceramic and metallic shapes Sep. 10, 1991
5035847 Mold for slip casting Jul. 30, 1991
5021213 Method of casting powder Jun. 4, 1991
5011654 Production of flat products Apr. 30, 1991
4996024 Method for casting powder Feb. 26, 1991
4978643 Forming whisker reinforced sintered ceramics with polymerizable binder precursors Dec. 18, 1990
4975225 Manufacture of monolithic, stiff, lightweight ceramic articles Dec. 4, 1990
4971740 Method for manufacturing a sintered body of silicon nitride Nov. 20, 1990
4970050 Method of producing a sintered dental prosthesis Nov. 13, 1990
4931238 Method for manufacturing a sintered body with high density Jun. 5, 1990
4929414 Method of manufacturing heat pipe wicks and arteries May. 29, 1990
4917842 Process of making ceramics Apr. 17, 1990
4902471 Method for producing metal carbide grade powders Feb. 20, 1990
4894086 Method of producing dispersion hardened metal alloys Jan. 16, 1990
4886638 Method for producing metal carbide grade powders Dec. 12, 1989

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