SINTERED MECHANICAL COMPONENT AND MANUFACTURING METHOD THEREFOR

Title:

SINTERED MECHANICAL COMPONENT AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2015/001894

Kind Code:

A1

Abstract:

In the present invention, a sintered body having a density of at least 7.5g/cm3 is formed using a mixed powder in which 0.05-0.35 wt% of a graphite powder having an average particle size of no more than 8μm is mixed with respect to 100 wt% of a diffusion alloyed steel powder, or using a mixed powder in which 0.15-0.35 wt% of a graphite powder having an average particle size of no more than 8μm is mixed with respect to 100 wt% of a completely alloyed steel powder.

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Inventors:

OKUNO TAKAHIRO (JP)
YASHIRO NAOKI (JP)
OOHIRA KOUYA (JP)

Application Number:

PCT/JP2014/064707

Publication Date:

January 08, 2015

Filing Date:

June 03, 2014

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)
OKUNO TAKAHIRO (JP)
YASHIRO NAOKI (JP)
OOHIRA KOUYA (JP)

International Classes:

C22C38/00; B22F1/105; B22F5/08; C22C33/02; F16H53/02; F16H55/06

Domestic Patent References:

WO2014103999A1

2014-07-03

Foreign References:

JP2008169460A	2008-07-24
JP2009221576A	2009-10-01
JPH09279204A	1997-10-28
JP2004232079A	2004-08-19
JPH0820849A	1996-01-23
JP2009263697A	2009-11-12
JPH04337001A	1992-11-25
JP2007537359A	2007-12-20

Other References: