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Powder Metallurgy Processes > Powder Metallurgy Processes With Heating Or Sintering > Metal And Nonmetal In Final Product > Carbide Containing Carbide ContainingCarbide Containing patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.02/01/07 - 20070025872 - Method of making a submicron cemented carbide powder mixture with low compacting pressure and the resulting powder There is disclosed a method of making a ready to press cemented carbide powder with low compaction pressure suitable for the production of submicron cemented carbide by means of powder metallurgical techniques milling, pressing and sintering. The method comprises using from about 1 to about 3 wt-% pressing agent with ... 12/14/06 - 20060280640 - Dense, shaped articles constructed of a refractory material and methods of preparing such articles The invention provides a method of forming a dense, shaped article, such as a crucible, formed of a refractory material, the method comprising the steps of placing a refractory material having a melting point of at least about 2900° C. in a mold configured to form the powder into an ... 09/07/06 - 20060198752 - Iron-based sintered alloy having excellent machinability This iron-based sintered alloy contains 0.05 to 3% by mass of calcium carbonate or 0.05 to 3% by mass of strontium carbonate. As a result, an iron-based sintered alloy having excellent machinability is obtained. ... 12/15/05 - 20050276717 - Functionally graded cemented tungsten carbide The present invention is a method for producing functionally graded materials that contain a hard phase that is embedded in a metal matrix phase. The material have a continuous gradient of a matrix metal phase. An example of these types of materials include functionally graded cemented tungsten carbide (the hard ... ### FreshPatents.com Support |