PROCESS FOR PRODUCING SUPER-HEAT-RESISTANT ALLOY MATERIAL

PCT No. PCT/JP85/00595 Sec. 371 Date Apr. 22, 1986 Sec. 102(e) Date Apr. 22, 1986 PCT Filed Oct. 26, 1985 PCT Pub. No. WO86/02669 PCT Pub. Date May 9, 1986.A manufacturing method of super-heat-resisting alloy material characterized in comprising the steps of: (1) filling and sealing the powder of Ni...

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Hauptverfasser:	DOI, YOSHIHIKO, KUROISHI, NOBUHITO, UENISHI, NOBORU, OCHI, SHIGEKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Zusammenfassung:	PCT No. PCT/JP85/00595 Sec. 371 Date Apr. 22, 1986 Sec. 102(e) Date Apr. 22, 1986 PCT Filed Oct. 26, 1985 PCT Pub. No. WO86/02669 PCT Pub. Date May 9, 1986.A manufacturing method of super-heat-resisting alloy material characterized in comprising the steps of: (1) filling and sealing the powder of Ni-based super-heat-resisting alloy in a rubber mold; (2) subjecting the powder in the rubber mold to cold isostatic pressing; (3) sintering the compact in vacuum or in gas atmosphere at a temperature of 1000 DEG C. or more so that the sintered density increases to 95% or more than the theoretical density; and (4) next, subjecting the sintered compact to hot isostatic pressing.