Producing Fiber Reinforced Composites Having Dense Ceramic Matrices
US Patent:
5865922, Feb 2, 1999
Filed:
Sep 20, 1996
Appl. No.:
8/725205
Inventors:
Donald R. Behrendt - Strongsville OH Mrityunjay Singh - Parma OH
Assignee:
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration - Washington DC
International Classification:
B32B 3100
US Classification:
156155
Abstract:
A fiber preform is partially infiltrated with a ceramic material.
A porous solid polymer is formed by reaction forming the infiltrated preform which is then pyrolized. Microporous carbon in the composite matrix is converted into silicon carbide.