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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.:

US 9950369 B1

PDFFull Text
Date of Patent:
Apr. 24, 2018

Filed:

Feb. 01, 2017

Manufacturing method of sintered alloy, compact for sintering, and sintered alloy

Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Fine Sinter Co., Ltd, Kasugai-shi, Aichi, JP;

Sanyo Special Steel Co., Ltd., Himeji-shi, Hyogo, JP;

Inventors:

Nobuyuki Shinohara, Tajimi, JP;

Kimihiko Ando, Toyota, JP;

Yoshihisa Ueda, Nagoakakyo, JP;

Yusaku Yoshida, Tajimi, JP;

Masaru Sugimoto, Tajimi, JP;

Toshiyuki Sawada, Himeji, JP;

Shingo Fukumoto, Himeji, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

FINE SINTER CO., LTD, Kasugai-shi, Aichi, JP;

SANYO SPECIAL STEEL CO., LTD, Himeji-shi, Hyogo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Michael E La Villa

Int. Cl.
CPC ...
B22F 7/00 (2006.01); B22F 3/16 (2006.01); C22C 38/38 (2006.01); C22C 27/04 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/22 (2006.01); B32B 15/18 (2006.01); B32B 15/01 (2006.01); C22C 27/06 (2006.01); C22C 1/05 (2006.01); C22C 1/04 (2006.01); C22C 29/02 (2006.01); C22C 38/00 (2006.01); C22C 1/10 (2006.01); C22C 45/10 (2006.01); C22C 45/02 (2006.01); C22C 30/00 (2006.01); C22C 38/12 (2006.01); C22C 38/44 (2006.01);
U.S. Cl.
CPC ...
B22F 7/008 (2013.01); B22F 3/16 (2013.01); B32B 15/01 (2013.01); B32B 15/18 (2013.01); C22C 1/04 (2013.01); C22C 1/05 (2013.01); C22C 1/051 (2013.01); C22C 1/053 (2013.01); C22C 1/055 (2013.01); C22C 1/10 (2013.01); C22C 27/04 (2013.01); C22C 27/06 (2013.01); C22C 29/02 (2013.01); C22C 30/00 (2013.01); C22C 38/00 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/12 (2013.01); C22C 38/22 (2013.01); C22C 38/38 (2013.01); C22C 38/44 (2013.01); C22C 45/02 (2013.01); C22C 45/10 (2013.01); B22F 2301/35 (2013.01); B22F 2302/40 (2013.01); B22F 2304/10 (2013.01); B22F 2998/10 (2013.01); Y10T 428/1209 (2015.01); Y10T 428/12028 (2015.01); Y10T 428/12042 (2015.01); Y10T 428/12056 (2015.01); Y10T 428/12125 (2015.01); Y10T 428/12132 (2015.01); Y10T 428/12139 (2015.01); Y10T 428/12146 (2015.01); Y10T 428/12153 (2015.01); Y10T 428/12229 (2015.01); Y10T 428/12479 (2015.01); Y10T 428/12951 (2015.01); Y10T 428/12958 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12979 (2015.01);
Abstract

Mixed powder that contains first hard particles, second hard particles, graphite particles, and iron particles is used to manufacture a sintered alloy. The first hard particle is a Fe—Mo—Cr—Mn based alloy particle, the second hard particle is a Fe—Mo—Si based alloy particle. The mixed powder contains 5 to 50 mass % of the first hard particles, 1 to 8 mass % of the second hard particles, and 0.5 to 1.0 mass % of the graphite particles when total mass of the first hard particles, the second hard particles, the graphite particles, and the iron particles is set as 100 mass %.

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