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:
Sep. 03, 1996

Filed:

Mar. 25, 1994
Applicant:
Inventors:

Hideki Iba, Toyota, JP;

Chikatoshi Maeda, Toyota, JP;

Tadashi Takeuchi, Nagoya, JP;

Yasuyuki Suzuki, Toyota, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420406 ; 420405 ; 420407 ; 420408 ;
Abstract

A magnesium alloy includes 0.1 to 6.0% by weight of Al, 0.25 to 6.0% by weight of Zn, 0.1 to 4.0% by weight of rare earth element (hereinafter referred to as 'R.E.'), and balance of Mg and inevitable impurities. Preferably, it includes 1.0 to 3.0% by weight of Al ('a'), 0.25 to 3.0% by weight of Zn ('b') and 0.5 to 4.0% by weight of R.E.: wherein when 'b' is in a range, 0.25.ltoreq.'b'.ltoreq.1.0, 'a' and 'c' satisfy a relationship, 'c'.ltoreq.'a'+1.0; and when 'b' is in a range, 1.0.ltoreq.'b'.ltoreq.3.0, 'a,' 'b' and 'c' satisfy a relationship, 'c'.ltoreq.'a'+'b'.ltoreq.(1/2)'c'+4.0; in order to further improve creep properties at elevated temperatures while maintaining enhanced tensile strength at room temperature and up to 100.degree. C. at least.


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