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:
Jan. 26, 2016

Filed:

Jul. 27, 2010
Applicants:

Yusuke Nagaishi, Sagamihara, JP;

Shigeyuki Nakagawa, Yokosuka, JP;

Koji Itakura, Fujisawa, JP;

Haruyasu Katto, Anjo, JP;

Satoru Suzuki, Fuji, JP;

Inventors:

Yusuke Nagaishi, Sagamihara, JP;

Shigeyuki Nakagawa, Yokosuka, JP;

Koji Itakura, Fujisawa, JP;

Haruyasu Katto, Anjo, JP;

Satoru Suzuki, Fuji, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/02 (2006.01); C22C 21/04 (2006.01); B22D 21/04 (2006.01); B22D 17/00 (2006.01); B22D 21/00 (2006.01);
U.S. Cl.
CPC ...
C22C 21/02 (2013.01); B22D 17/00 (2013.01); C22C 21/04 (2013.01); B22D 21/007 (2013.01);
Abstract

There is provided an aluminum alloy casting consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn and the balance being Al and unavoidable impurities, or consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn, 0.3 to 1.0 mass % of Cu and the balance being Al and unavoidable impurities, and containing eutectic Si grains having an aspect ratio of 2.0 or smaller and an average grain size of 1.0 micrometer or smaller. There is also provided an automotive part formed with the aluminum alloy casting and a production method of the aluminum alloy casting.


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