Title:
ALLOY STEEL POWDER FOR POWDER METALLURGY, AND PROCESS FOR PRODUCING IRON-BASED SINTERED OBJECT
Document Type and Number:
WIPO Patent Application WO/2015/045273
Kind Code:
A1
Abstract:
According to the present invention, an alloy steel powder for powder metallurgy is regulated to have a specific surface area of 0.100 m2/g or larger, contain Mo in an amount in the range of 0.2-1.5 mass%, and contain a graphite powder in an amount in the range of 0.1-1.0 mass% per 100 mass% the alloy steel powder for powder metallurgy. Thus, a sintered object which combines strength and toughness on a high level can be obtained from the alloy steel powder for powder metallurgy.
Inventors:
MAETANI TOSHIO (JP)
UNAMI SHIGERU (JP)
ONO TOMOSHIGE (JP)
OZAKI YUKIKO (JP)
UNAMI SHIGERU (JP)
ONO TOMOSHIGE (JP)
OZAKI YUKIKO (JP)
Application Number:
PCT/JP2014/004383
Publication Date:
April 02, 2015
Filing Date:
August 26, 2014
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B22F1/00; B22F1/05; B22F1/107; C22C33/02; C22C38/00
Foreign References:
| JP2011179031A | 2011-09-15 | |||
| JP2011094187A | 2011-05-12 | |||
| JPH08209202A | 1996-08-13 | |||
| JPH08199201A | 1996-08-06 | |||
| JP2012007205A | 2012-01-12 | |||
| JP2003247003A | 2003-09-05 | |||
| JP2010053409A | 2010-03-11 | |||
| JPH07233401A | 1995-09-05 |
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
Kenji Sugimura (JP)
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