Login| Sign Up| Help| Contact|

Patent Searching and Data


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)
Application Number:
PCT/IB2009/054029
Publication Date:
June 10, 2010
Filing Date:
September 15, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ELEMENT SIX HOLDING GMBH (DE)
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:
US3725016A1973-04-03
US6649682B12003-11-18
US4731253A1988-03-15
US5375759A1994-12-27
GB2409467A2005-06-29
US4136230A1979-01-23
Attorney, Agent or Firm:
SPOOR & FISHER et al. (0001 Pretoria, ZA)
Download PDF: