焼結部品の高強度・高靱性化のためのプロセス技術の開発

概要

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A fabrication process of sintered parts is recognized as a lower-cost process than other fabrication processes owing to lower consumption of energy and higher yield of materials. Recently, however, research and development of powder metallurgy processing for high performance materials which contain higher-cost process than conventional ones sometimes has been widely carried out.<BR>In this paper some of our recent trials of process development for high strength and high ductility (toughness) sintered parts are introduced.<BR>The topics are as follows ; 1) High strength Fe-Cu-P-C sintered alloys which have little dimensional change during sintering, 2) High strength high ductility W-Ni-Fe heavy alloys, 3) Sinter-forged high speed steels utilizing fine powders produced by high pressure water atomization, 4) Two-steps powder forging of rapidly solidified aluminum alloy powders.
社団法人粉体粉末冶金協会の論文