Title:
IRON BASE SINTERED ALLOY, IRON BASE SINTERED ALLOY MEMBER, METHOD FOR PRODUCTION THEREOF, AND OIL PUMP ROTOR
Document Type and Number:
WIPO Patent Application WO/2004/063409
Kind Code:
A1
Abstract:
A method for producing an iron base sintered alloy member having the chemical composition: Cu: 0.5 to 7 %, C: 0.1 to 0.98%, O: 0.02 to 0.3 %, optionally Mn: 0.0025 to 1.05 % and/or Zn: 0.001 to 0.7 %, and Fe and inevitable impurities: the balanced amount, which comprises compounding and mixing a Fe powder, a graphite powder and a Cu alloy powder as raw material powders, molding the resulting mixture, and sintering the molded article, wherein the Cu alloy powder comprises 1 to 10 % of Fe and 0.2 to 1 % of oxygen, optionally contains 0.2 to 10 % of Zn and/or 0.5 to 15 % of Mn, and comprises the balanced amount of Cu and inevitable impurities.
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Inventors:
KAWASE KINYA (JP)
ISHII YOSHINARI (JP)
ISHII YOSHINARI (JP)
Application Number:
PCT/JP2003/013379
Publication Date:
July 29, 2004
Filing Date:
October 20, 2003
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
KAWASE KINYA (JP)
ISHII YOSHINARI (JP)
KAWASE KINYA (JP)
ISHII YOSHINARI (JP)
International Classes:
C22C9/00; C22C9/04; C22C9/05; C22C33/02; C22C38/00; B22F3/10; C22C38/02; C22C38/16; (IPC1-7): C22C33/02; C22C9/00; C22C9/04; C22C38/00; B22F1/00
Foreign References:
| JP2003328011A | 2003-11-19 | |||
| JP2004002939A | 2004-01-08 | |||
| JPS53146204A | 1978-12-20 | |||
| JPS53128513A | 1978-11-09 | |||
| JPH0543907A | 1993-02-23 | |||
| JP2002294388A | 2002-10-09 | |||
| JPH0641609A | 1994-02-15 |
Other References:
See also references of EP 1582603A4
Attorney, Agent or Firm:
Shiga, Masatake (Yaesu Chuo-ku, Tokyo, JP)
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