WEAR COMPONENT WITH A CARBURIZED CASE

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)

Application Number:

PCT/US2009/067930

Publication Date:

October 07, 2010

Filing Date:

December 14, 2009

Export Citation:

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Assignee:

CATERPILLAR INC (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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