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:
Jan. 31, 2023
Filed:
Nov. 08, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Richard Wesley Jackson, Mystic, CT (US);
Ying She, East Hartford, CT (US);
Gajawalli V. Srinivasan, South Windsor, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/80 (2006.01); C04B 35/628 (2006.01); C04B 35/117 (2006.01); C23C 16/32 (2006.01); C23C 16/56 (2006.01); D06M 11/74 (2006.01); D06M 11/79 (2006.01);
U.S. Cl.
CPC ...
C04B 35/80 (2013.01); C04B 35/62849 (2013.01); C04B 35/62863 (2013.01); C04B 35/62884 (2013.01); C04B 35/62894 (2013.01); C04B 35/62897 (2013.01); C23C 16/325 (2013.01); C23C 16/56 (2013.01); D06M 11/74 (2013.01); D06M 11/79 (2013.01); C04B 2235/524 (2013.01); C04B 2235/5228 (2013.01); C04B 2235/5232 (2013.01); C04B 2235/5244 (2013.01);
Abstract
Disclosed is a coated ceramic fiber including a silicon carbide coating layer adjacent to the ceramic fiber and a silicon dioxide coating layer adjacent to the silicon carbide coating layer, wherein the silicon dioxide coating layer forms micro cracks after a crystal structure transformation. The coated ceramic fiber may be included in a composite material having a ceramic matrix.