Title:
WEAR-RESISTANT COMPONENT
Document Type and Number:
WIPO Patent Application WO/2019/189532
Kind Code:
A1
Abstract:
An embodiment of the present invention is a wear-resistant component having a coating layer of a Cr-Ni-based alloy on a base material surface, wherein the composition of a surface layer region extending to a depth of 0.2 mm from the outermost surface of the coating layer includes, in terms of % by mass, more than 40.0% and no more than 65.0% Cr, 0% to 35.0% Fe, 0% to less than 2.0% Mn, and any of (1) through (3) ((1): more than 1.1% and no more than 4.0% C; (2): 0.7% to 3.0% B; and (3): 0.5% to 2.5% C and more than 0% and no more than 20% Nb), the remainder comprising Ni and unavoidable impurities, the Ni content being 15% or greater, and the surface layer region has at least any one of massive Cr carbides, massive Cr borides, and Nb-based carbides.
Inventors:
HASEGAWA MITSURU (JP)
NISHIDA JUNICHI (JP)
NOJIMA MASAFUMI (JP)
UEHARA TOSHIHIRO (JP)
KIMURA TOMONORI (JP)
AONO YASUHISA (JP)
NISHIDA JUNICHI (JP)
NOJIMA MASAFUMI (JP)
UEHARA TOSHIHIRO (JP)
KIMURA TOMONORI (JP)
AONO YASUHISA (JP)
Application Number:
PCT/JP2019/013492
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
C22C27/06; B22F1/00; B23K35/30; B23K35/32; C22C19/05
Foreign References:
| JPH10110206A | 1998-04-28 | |||
| JPH0649573A | 1994-02-22 | |||
| JPH01294844A | 1989-11-28 | |||
| JPH04358054A | 1992-12-11 | |||
| JP2007277675A | 2007-10-25 |
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