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. 06, 1994

Filed:

Mar. 16, 1992
Applicant:
Inventors:

Tsuyoshi Masumoto, Aoba-ku, Sendai-shi, Miyagi-ken, JP;

Akihisa Inoue, Miyagi, JP;

Kazuhiko Kita, Miyagi, JP;

Hitoshi Yamaguchi, Nagano, JP;

Assignees:

Other;

Yoshida Kogyo KK, Tokyo, JP;

Teikoku Piston Ring Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148437 ; 148442 ; 419 28 ; 420548 ; 420550 ; 420551 ; 420552 ; 420580 ; 420590 ;
Abstract

An aluminum-alloy, which is wear-resistant and does not wear greatly the opposed cast iron or steel, and which can be warm worked. The alloyings the following composition and structure. Composition: Al.sub.a Si.sub.b M.sub.c X.sub.d T.sub.e (where M is at least one element selected from the group consisting of Fe, Co and. Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); Y is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %, and a+b+c+d+e=100 atomic %. Structure: super-saturated face-centered cubic crystals and fine Si precipitates.


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