MIXED POWDER FOR POWDER METALLURGY

Title:

MIXED POWDER FOR POWDER METALLURGY

Document Type and Number:

WIPO Patent Application WO/2005/102564

Kind Code:

A1

Abstract:

Disclosed is a mixed powder for powder metallurgy which is obtained by diffusing and adhering 0.05-1.0 mass% of Mo over the surface of an iron base powder which contains, as a prealloy, not more than 0.5 mass% of Mn and 0.2-1.5 mass% of Mo, thereby forming an alloy steel powder, and then blending 0.2-5 mass% of an Ni powder and/or 0.2-3 mass% of a Cu powder into the thus-formed alloy steel powder. A dense sintered body having excellent tensile strength and bending fatigue strength can be produced from such a mixed powder.

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Inventors:

UNAMI SHIGERU (JP)
UENOSONO SATOSHI (JP)
OZAKI YUKIKO (JP)

Application Number:

PCT/JP2005/008092

Publication Date:

November 03, 2005

Filing Date:

April 21, 2005

Export Citation:

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Assignee:

JFE STEEL CORP (JP)
UNAMI SHIGERU (JP)
UENOSONO SATOSHI (JP)
OZAKI YUKIKO (JP)

International Classes:

B22F1/00; C22C33/02; C22C38/00; C22C38/16; (IPC1-7): B22F1/00; C22C38/00; C22C38/16

Foreign References:

JP2003247003A	2003-09-05
JP2000064001A	2000-02-29
JPS59215401A	1984-12-05

Attorney, Agent or Firm:

Ochiai, Kenichiro c/o Patent, Application Dept (JFE TECHNO-RESEARCH CORPORATION 1-2, Marunouchi 1-chom, Chiyoda-ku Tokyo 05, JP)

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