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Browse by Category: Main > Material Science
Class Information
Number: 419/52
Name: Powder metallurgy processes > Powder metallurgy processes with heating or sintering > Heat and pressure simultaneously to effect sintering > Heating by electrical means other than radiant energy
Description: Processes in which the applied heat is produced by any method which employs electrical energy, other than radiant energy.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7601403 Preparation of dense nanostructured functional oxide materials with fine crystallite size by field activation sintering Oct. 13, 2009
7347967 Plastic system and method of porous bioimplant having a unified connector Mar. 25, 2008
7196297 Process and system for thermally uniform materials processing Mar. 27, 2007
6776329 Method for producing a heat-conducting connection between two work pieces Aug. 17, 2004
6610246 Sintering method and sintering apparatus Aug. 26, 2003
6512216 Microwave processing using highly microwave absorbing powdered material layers Jan. 28, 2003
6440768 Thermoelectric semiconductor material and method of manufacturing the same Aug. 27, 2002
6371746 Method of electronic sintering method and mold for use in the method Apr. 16, 2002
6309594 Metal consolidation process employing microwave heated pressure transmitting particulate Oct. 30, 2001
6200515 One-step synthesis and consolidation of nanophase materials Mar. 13, 2001
6183689 Process for sintering powder metal components Feb. 6, 2001
6183690 Method of bonding a particle material to near theoretical density Feb. 6, 2001
5794113 Simultaneous synthesis and densification by field-activated combustion Aug. 11, 1998
5760378 Method of inductive bonding sintered compacts of heavy alloys Jun. 2, 1998
5745834 Free form fabrication of metallic components Apr. 28, 1998
5623727 Method for manufacturing powder metallurgical tooling Apr. 22, 1997
5544194 Apparatus for degreasing electrically conductive material Aug. 6, 1996
5529746 Process for the manufacture of high-density powder compacts Jun. 25, 1996
5445789 Method and apparatus for degreasing and compacting electrically conductive material Aug. 29, 1995
5427660 Sintered composite and method of manufacture Jun. 27, 1995
5403540 Heating of formed metal structure by induction Apr. 4, 1995
5380482 Method of manufacturing ingots for use in making objects having high heat, thermal shock, corrosion and wear resistance Jan. 10, 1995
5348694 Method for electroconsolidation of a preformed particulate workpiece Sep. 20, 1994
5346667 Method of manufacturing sintered aluminum alloy parts Sep. 13, 1994
5306569 Titanium-tungsten target material and manufacturing method thereof Apr. 26, 1994
5246638 Process and apparatus for electroconsolidation Sep. 21, 1993
5201962 Method of making permanent magnet containing rare earth metal and ferrous component Apr. 13, 1993
5178691 Process for producing a rare earth element-iron anisotropic magnet Jan. 12, 1993
5167915 Process for producing a rare earth-iron-boron magnet Dec. 1, 1992
5134260 Method and apparatus for inductively heating powders or powder compacts for consolidation Jul. 28, 1992
5038014 Fabrication of components by layered deposition Aug. 6, 1991
4989153 Perfected sintering machine and method of operation Jan. 29, 1991
4938673 Isostatic pressing with microwave heating and method for same Jul. 3, 1990
4933140 Electrical heating of graphite grain employed in consolidation of objects Jun. 12, 1990
4929415 Method of sintering powder May. 29, 1990
4855102 Sintering method Aug. 8, 1989
4853179 Method of manufacturing heat resistant, high-strength structural members of sintered aluminum alloy Aug. 1, 1989
4853178 Electrical heating of graphite grain employed in consolidation of objects Aug. 1, 1989
4704252 Isostatic hot forming of powder metal material Nov. 3, 1987
4702885 Aluminum alloy and method for producing the same Oct. 27, 1987
4642218 Hot rolling of ceramics by the use of self propagating synthesis Feb. 10, 1987
4609527 Powder consolidation and machining Sep. 2, 1986
4536366 Sintering method and apparatus Aug. 20, 1985
4456578 Method and apparatus for producing a friction element for a disc brake Jun. 26, 1984
4443404 Sintered porous metal plate and its production Apr. 17, 1984
4414028 Method of and apparatus for sintering a mass of particles with a powdery mold Nov. 8, 1983
4380473 Apparatus for the continuous extrusion of electrically conductive granulated materials, preferably powder metallurgy materials Apr. 19, 1983
4371396 Method for manufacturing billets, from metal powder, intended to be subsequently rolled or forged Feb. 1, 1983
4231796 Internal zone growth method for producing metal oxide metal eutectic composites Nov. 4, 1980
4102679 Powder metallurgic manufacturing process Jul. 25, 1978

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