Title:
WEAR COMPONENT WITH A CARBURIZED CASE
Document Type and Number:
WIPO Patent Application WO/2010/080369
Kind Code:
A3
Abstract:
A wear component (20) includes a base metal (40) and a carburized case (28) on the base metal. The carburized case may have a first region (24) having greater than or equal to about 75% volume fraction of carbides and a second region (26) having greater than or equal to about 20% volume fraction of carbides. The first region may be a region extending to a depth greater than or equal to about 5 microns from a surface (22) of the wear component, and the second region may be a region below the first region and having a thickness greater than or equal to about 100 microns.
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Inventors:
JOHNSTON SCOTT A (US)
KEIL GARY D (US)
ZHAO PINGSHUN (US)
MEYER ROBERT L (US)
KEIL GARY D (US)
ZHAO PINGSHUN (US)
MEYER ROBERT L (US)
Application Number:
PCT/US2009/067930
Publication Date:
October 07, 2010
Filing Date:
December 14, 2009
Export Citation:
Assignee:
CATERPILLAR INC (US)
JOHNSTON SCOTT A (US)
KEIL GARY D (US)
ZHAO PINGSHUN (US)
MEYER ROBERT L (US)
JOHNSTON SCOTT A (US)
KEIL GARY D (US)
ZHAO PINGSHUN (US)
MEYER ROBERT L (US)
International Classes:
C23C8/22
Foreign References:
US20050133120A1 | 2005-06-23 | |||
US20080006347A1 | 2008-01-10 | |||
US3959557A | 1976-05-25 |
Attorney, Agent or Firm:
LUNDQUIST, Steve, D. et al. (Peoria, IL, US)
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