Title:
SINTERED BEARING AND PREPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/074276
Kind Code:
A2
Abstract:
The present invention relates to a sintered bearing and a preparation method thereof, wherein the method comprises: a step for forming a mixed powder by mixing metal powder, kish graphite, and lubricant; forming a molded body by applying pressure to the mixed powder; forming a sintered body by sintering the molded body; and impregnating the sintered body in oil. The invention is prepared by adding 0.01-10 parts by weight of kish graphite to metal powder and thus provides excellent abrasion resistance, strength, and self lubricity.
Inventors:
TAE SOON-JAE (KR)
YOON TAE-IL (KR)
YOON TAE-IL (KR)
Application Number:
PCT/KR2011/009164
Publication Date:
June 07, 2012
Filing Date:
November 29, 2011
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
ORIENT PREC IND INC (KR)
TAE SOON-JAE (KR)
YOON TAE-IL (KR)
ORIENT PREC IND INC (KR)
TAE SOON-JAE (KR)
YOON TAE-IL (KR)
International Classes:
F16C33/12; B22F1/10; B22F1/105; B22F3/12; B22F3/26; F16C33/16
Foreign References:
| KR20100035080A | 2010-04-02 | |||
| JPH07247167A | 1995-09-26 | |||
| KR20090129167A | 2009-12-16 | |||
| US5516213A | 1996-05-14 |
Other References:
None
Attorney, Agent or Firm:
Hanyang Patent Firm (KR)
한양특허법인 (KR)
한양특허법인 (KR)
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Claims: