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Title:
SINTERED ALLOY, METHOD FOR PRODUCTION THEREOF AND VALVE SHEET
Document Type and Number:
WIPO Patent Application WO/2002/101107
Kind Code:
A1
Abstract:
A sintered alloy, characterized in that it comprises, relative to 100 wt % of the whole alloy, 4 to 30 wt % of Mo, 0.2 to 3 wt % of C, 1 to 30 wt % of Ni, 0.5 to 10 wt % of Mn, 2 to 40 wt % of Co and the balanced amount of Fe and inevitable impurities&semi a method for producing the sintered alloy which comprises forming a green compact from a raw material mixed powder containing hard particles and sintering the green compact&semi and a valve sheet comprising the sintered alloy.

Inventors:
ANDO KIMIHIKO (JP)
MURASE HIROYUKI (JP)
TSUGE NORIYUKI (JP)
ENDOH KUNIHIKO (JP)
TOMITA YUKIHARU (JP)
ISHIHARA NAOSHI (JP)
HAYAKAWA MASAHIRO (JP)
Application Number:
PCT/JP2002/005632
Publication Date:
December 19, 2002
Filing Date:
June 06, 2002
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
JAPAN POWDER METALLURG CO LTD (JP)
ANDO KIMIHIKO (JP)
MURASE HIROYUKI (JP)
TSUGE NORIYUKI (JP)
ENDOH KUNIHIKO (JP)
TOMITA YUKIHARU (JP)
ISHIHARA NAOSHI (JP)
HAYAKAWA MASAHIRO (JP)
International Classes:
B22F5/00; F01L3/02; B22F5/10; C22C1/04; C22C30/00; C22C33/02; C22C38/00; C22C38/52; C22C38/58; (IPC1-7): C22C30/00
Foreign References:
US5759227A1998-06-02
EP1108800A22001-06-20
JPS6244556A1987-02-26
Other References:
See also references of EP 1405928A4
Attorney, Agent or Firm:
Ohkawa, Hiroshi (Nakamura-ku Nagoya-shi, Aichi, JP)
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