Title:
WEAR PART WITH HARD FACING
Document Type and Number:
WIPO Patent Application WO/2010/029522
Kind Code:
A3
Abstract:
The invention relates to a wear part or tool comprising a body containing an iron-group metal or alloy, a wear-resistant layer metallurgically bonded to a surface of the body through an intermediate layer, characterised in that the wear-resistant layer comprises at least 13 vol. % of grains of metal carbide selected from the group consisting of WC, TiC, VC, ZrC, NbC, Mo2C, HfC and TaC and grains of (Cr1Me)xCy and a metal based phase comprising of a solid solution of 0.5 to 20% Cr, 0.2 to 15% Si1 and 0.2 to 20% carbon, where Me is Fe, Co and/or Ni; and the intermediate layer has a thickness of 0.05 to 1 mm and comprises Si in amount of 0.1 to 0.7 of that in the wear-resistant layer, chromium in amount of 0.1 to 0.6 of that in the wear-resistant layer and the metal of the metal carbide in amount of 0.2 to 0.6 of that in the wear-resistant layer and to a method of producing such a wear part.
Inventors:
KONYASHIN IGOR YURI (DE)
RIES BERND HEINRICH (DE)
LACHMANN FRANK FRIEDRICH (DE)
RIES BERND HEINRICH (DE)
LACHMANN FRANK FRIEDRICH (DE)
Application Number:
PCT/IB2009/054029
Publication Date:
June 10, 2010
Filing Date:
September 15, 2009
Export Citation:
Assignee:
ELEMENT SIX HOLDING GMBH (DE)
KONYASHIN IGOR YURI (DE)
RIES BERND HEINRICH (DE)
LACHMANN FRANK FRIEDRICH (DE)
DONALD HEATHER JUNE (ZA)
KONYASHIN IGOR YURI (DE)
RIES BERND HEINRICH (DE)
LACHMANN FRANK FRIEDRICH (DE)
DONALD HEATHER JUNE (ZA)
International Classes:
C23C28/00; C23C26/02; C23C30/00
Foreign References:
US3725016A | 1973-04-03 | |||
US6649682B1 | 2003-11-18 | |||
US4731253A | 1988-03-15 | |||
US5375759A | 1994-12-27 | |||
GB2409467A | 2005-06-29 | |||
US4136230A | 1979-01-23 |
Attorney, Agent or Firm:
SPOOR & FISHER et al. (0001 Pretoria, ZA)
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