The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 08, 2024

Filed:

Jul. 28, 2023
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Yoshihiro Kimura, Osaka, JP;

Yasuki Kido, Osaka, JP;

Anongsack Paseuth, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); C22C 29/00 (2006.01); C22C 29/02 (2006.01); C22C 29/06 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); C22C 29/005 (2013.01); C22C 29/02 (2013.01); C22C 29/067 (2013.01); B23B 2222/28 (2013.01);
Abstract

A cemented carbide includes a plurality of tungsten carbide particles and a binder phase, wherein the cemented carbide comprises at least one first element selected from the group consisting of titanium, tantalum, niobium, zirconium, cerium, yttrium, and boron, and wherein in a first graph in a coordinate system where an X axis is a distance from a position at which cobalt exhibits a maximum intensity, and a Y axis is a normalized intensity, a maximum peak M of each of the first element is present between a peak Wof tungsten closest to an origin and a further peak Wof tungsten closest to the peak W, a ratio IB/IA of an intensity IB to a maximum peak intensity IA of the maximum peak M is 0.5 or less in each of the first element, and the intensity IB is an intensity of the first element at a distance P


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