Title:
WEAR-RESISTANT MEMBER
Document Type and Number:
WIPO Patent Application WO/2023/248318
Kind Code:
A1
Abstract:
The present invention provides a wear-resistant member which is formed of a composite material that is obtained by binding hard W compound coarse particles having a large diameter by means of a matrix phase of a cemented carbide, and which is thereby capable of suppressing wear of the binder phase in comparison to conventional WC-based cemented carbides, while being also capable of suppressing fracture of the hard phase. The present invention provides a wear-resistant member which is characterized by using, as a matrix, a cemented carbide which has a hard phase that is mainly composed of WC fine particles having a particle diameter of 0.5-20 µm and a binder phase that contains at least one element selected from the group consisting of Ni, Co, Fe and Cr, and which is also characterized in that: W compound coarse particles having a particle diameter of 50-200 µm are present as dispersed phases in the matrix; and the W compound coarse particles are configured to contain WC and/or W2C as a main component.
Inventors:
FUJII TAKU (JP)
OGURA TSUTOMU (JP)
SITUMORANG STEPANUS RIKY (JP)
SATO RYOTA (JP)
OGURA TSUTOMU (JP)
SITUMORANG STEPANUS RIKY (JP)
SATO RYOTA (JP)
Application Number:
PCT/JP2022/024620
Publication Date:
December 28, 2023
Filing Date:
June 20, 2022
Export Citation:
Assignee:
FUJI DIE CO (JP)
NGK INSULATORS LTD (JP)
NGK INSULATORS LTD (JP)
International Classes:
C22C29/08; C22C1/05
Foreign References:
| JP2015501385A | 2015-01-15 | |||
| JP2005256076A | 2005-09-22 |
Attorney, Agent or Firm:
TAKAISHI Kitsuma (JP)
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