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:
Mar. 30, 1993
Filed:
Jun. 13, 1991
Applicant:
Inventors:
Yoshio Akimune, Yokohama, JP;
Naoto Hirosaki, Yokohama, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 65 ; 264 66 ; 501 89 ;
Abstract
A method for producing a sintered silicon carbide and sialon composite includes the following steps in the sequence: sintering a mixture including .alpha.-sialon powder, .alpha.-silicon nitride powder and .beta.-silicon carbide powder by hot pressing at a first predetermined temperature; and resintering the sintered mixture at a pressure of nitrogen gas ranging from 100 to 2000 atmosphere and at a second predetermined temperature 100.degree. to 200.degree. C. higher than the first predetermined temperature.