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:
Aug. 02, 1994
Filed:
Nov. 25, 1991
Applicant:
Inventor:
Frederic Saugnac, Pessac, FR;
Assignee:
Societe Nationale Industrielle et Aerospatiale, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C23C / ;
U.S. Cl.
CPC ...
428212 ; 428213 ; 428245 ; 428336 ; 428366 ; 428367 ; 428378 ; 428380 ; 428384 ; 428408 ; 428426 ; 428432 ; 264 295 ; 264 296 ; 252502 ; 252504 ; 252506 ;
Abstract
This composite material with a fibrous reinforcement has refractory fibres (2) embedded in a nonmetallic matrix (4) and an interphase material (6) interposed between the fibres and the matrix, the interphase material being boron carbonitride with a lamellar or amorphous structure containing in atomic %, 0 to 98% nitrogen, 1 to 99% carbon and 1 to 99% boron. The composition of the interphase material can be homogeneous or vary gradually from the fibre-material interface (8) to the material-matrix interface (10).