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.
Patent No.:
Date of Patent:
Oct. 18, 2022
Filed:
Aug. 29, 2019
Ihi Corporation, Tokyo, JP;
Miyoshi Gokin Kogyo Co., Ltd., Saitama, JP;
Masaaki Yamane, Tokyo, JP;
Hayao Eguchi, Tokyo, JP;
Masato Arai, Tokyo, JP;
Yuta Arai, Tokyo, JP;
Mutsuki Ishijima, Tokyo, JP;
Hideharu Ito, Tokyo, JP;
Yoshihito Ogasawara, Tokyo, JP;
Shintaro Fujii, Tokyo, JP;
Genjiro Hagino, Tokyo, JP;
IHI CORPORATION, Tokyo, JP;
MIYOSHI GOKIN KOGYO CO., LTD., Saitama, JP;
Abstract
A wear-resistant copper-zinc alloy includes in mass %, 28 to 55% Zn, 0.5 to 2% P, and a balance of Cu and unavoidable impurities, and the wear-resistant copper-zinc alloy has an electrical conductivity of 10 to 33% IACS and a hardness of 3.6[Zn]-55 HBW or more, where [Zn] denotes the Zn content in mass %. Alternatively, a wear-resistant copper-zinc alloy includes in mass %, 40 to 55% Zn, 1 to 6% Mn, and a balance of Cu and unavoidable impurities, and the wear-resistant copper-zinc alloy has an electrical conductivity of 10 to 33% IACS and a hardness of 3.6[Zn]-55 HBW or more, where [Zn] denotes the Zn content in mass %.