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:
Feb. 06, 2024
Filed:
Jul. 07, 2020
Applicant:
The Japan Steel Works, Ltd., Tokyo, JP;
Inventors:
Yusuke Watanabe, Hiroshima, JP;
Kakeru Kusada, Hiroshima, JP;
Tetsuo Makida, Hiroshima, JP;
Youhei Sawamura, Hiroshima, JP;
Assignee:
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/56 (2006.01); C22C 38/44 (2006.01); C22C 38/22 (2006.01); C22C 38/36 (2006.01); C22C 33/02 (2006.01); C22C 38/14 (2006.01); B22F 1/00 (2022.01); B22F 3/04 (2006.01); B22F 3/16 (2006.01); B22F 3/24 (2006.01); B22F 9/04 (2006.01); B26F 1/44 (2006.01); C22C 38/06 (2006.01); C22C 38/50 (2006.01); C22C 38/52 (2006.01); B22F 5/00 (2006.01);
U.S. Cl.
CPC ...
C22C 38/56 (2013.01); B22F 1/00 (2013.01); B22F 3/04 (2013.01); B22F 3/16 (2013.01); B22F 3/24 (2013.01); B22F 9/04 (2013.01); B26F 1/44 (2013.01); C22C 33/0285 (2013.01); C22C 33/0292 (2013.01); C22C 38/06 (2013.01); C22C 38/14 (2013.01); C22C 38/22 (2013.01); C22C 38/36 (2013.01); C22C 38/44 (2013.01); C22C 38/50 (2013.01); C22C 38/52 (2013.01); B22F 2003/248 (2013.01); B22F 2005/001 (2013.01); B22F 2201/20 (2013.01); B22F 2301/35 (2013.01); B22F 2302/10 (2013.01); B22F 2304/10 (2013.01); B22F 2998/10 (2013.01); B26F 2001/4436 (2013.01);
Abstract
An iron-based sintered alloy, which has a composition including, in terms of percent by mass, Ti: 18.4 to 24.6%, Mo: 2.8 to 6.6%, C: 4.7 to 7.0%, Cr: 7.5 to 10.0%, Ni: 4.5 to 6.5%, Co: 1.5 to 4.5%, Al: 0.6 to 1.0%, the balance being Fe and unavoidable impurities, wherein the alloy has a structure in which hard particles are dispersed in an island form in a matrix, among other characteristics.