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:
Dec. 19, 2023
Filed:
Jul. 15, 2022
Applicants:
Daido Steel Co., Ltd., Nagoya, JP;
Nippon Piston Ring Co., Ltd., Saitama, JP;
Inventors:
Iwane Nagase, Nagoya, JP;
Fumito Mizuno, Nagoya, JP;
Yuji Nagaoka, Tochigi, JP;
Satoshi Ikemi, Tochigi, JP;
Katsuaki Sato, Tochigi, JP;
Assignees:
DAIDO STEEL CO., LTD., Nagoya, JP;
NIPPON PISTON RING CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/44 (2006.01); C22C 38/02 (2006.01); B22F 3/10 (2006.01); B22F 1/052 (2022.01); C22C 30/00 (2006.01);
U.S. Cl.
CPC ...
C22C 38/44 (2013.01); B22F 1/052 (2022.01); B22F 3/10 (2013.01); C22C 38/02 (2013.01); C22C 30/00 (2013.01);
Abstract
The present invention relates to a hard particle powder for a sintered body, the powder including, in terms of mass %, 0.01≤C≤1.0, 2.5≤Si≤3.3, 0.1≤Ni≤20.0, 5.0≤Cr≤15.0, and 35.0≤Mo≤45.0, with the balance being Fe and inevitable impurities, in which the powder before performing sintering comprises an alloy phase comprising a hexagonal crystal structure of C14 type Laves phase.