WC-BASED SUPER-HARD ALLOY POWDER, WC-BASED SUPER-HARD ALLOY MEMBER, AND METHOD FOR PRODUCING WC-BASED SUPER-HARD ALLOY MEMBER

WIPO Patent Application WO/2021/039912

A1

Provided are: a WC-based super-hard alloy powder capable of producing a WC-based super-hard alloy member having high thermal conductivity and high abrasion resistance; a WC-based super-hard alloy member; and a method for producing WC-based super-hard alloy member.　This WC-based super-hard alloy powder is characterized by containing WC, Cu and at least one of Co, Fe and Cr, with the content of WC being 40 mass% or more, and the content of at least one of Co, Fe and Cr being not less than 25 mass% and less than 60 mass%, and is characterized in that the ratio a/b satisfies the relationship 0.070 ≤ a/b ≤ 1.000, where a denotes the content of Cu and b denotes the content of at least one of Co, Fe and Cr.

SHIRATORI HIROSHI (JP)
SHINAGAWA KAZUYA (JP)
KOSEKI SHUHO (JP)
KUWABARA KOUSUKE (JP)
OHTSUBO YASUHIKO (JP)
OKAMOTO SHINYA (JP)

PCT/JP2020/032389

March 04, 2021

August 27, 2020

Click for automatic bibliography generation  

HITACHI METALS LTD (JP)

B21D22/20; B21D37/01; B22F1/00; B33Y10/00; B33Y70/00; B33Y80/00; C22C1/05; C22C29/08

JPS5511133A	1980-01-25
JPS479886B1	1972-03-24
JP2019502823A	2019-01-31
JP2018508393A	2018-03-29
JP2017043814A	2017-03-02
JP2016160500A	2016-09-05

HIDEKI KYOGOKUAKIHIKO IKUTATAKESHI UEMORITAKAYUKI SHIRACHIKENICHI YOSHIKAWAHITOSHI OMORI: "Direct Selective Laser Melting of WC Cemented Carbide", KINDAI UNIVERSITY FUNDAMENTAL TECHNOLOGY FOR NEXT GENERATION RESEARCH INSTITUTE REPORTS, vol. 2, 2011, pages 95 - 100

POLAIRE I.P.C. (JP)

View/Download PDF      PDF Help

Previous Patent: VACUUM CARBURIZATION TREATMENT METHOD AND PRODUCTION METHOD FOR CARBURIZED COMPONENT

Next Patent: CUTTING INSERT