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:
Apr. 12, 1994
Filed:
Apr. 14, 1992
Applicant:
Inventors:
Toshiaki Morichika, Hirakata, JP;
Takashi Onishi, Suita, JP;
Hiroshi Yamamoto, Osaka, JP;
Koichi Yanai, Osaka, JP;
Hiroyuki Araragi, Hirakata, JP;
Assignee:
Kubota Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ; C22C / ;
U.S. Cl.
CPC ...
75245 ; 75235 ; 420428 ; 419 32 ;
Abstract
An oxide-dispersion-strengthened sintered alloy improved in oxidation resistance and compressive strength for use at high temperatures of at least 1350.degree. C. The alloy includes a matrix of a metal consisting substantially or predominantly of Cr, and 0.2 to 2.0% by weight of Y.sub.2 O.sub.3 uniformly dispersed in the matrix. The Y.sub.2 O.sub.3 as uniformly dispersed is up to 0.1 .mu.m in mean particle size.