Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
501 92, 501 463, C04B 35577, C04B 3558
High temperature ablation resistant ceramic composites have been made. These ceramics are composites of zirconium diboride and zirconium carbide with silicon carbide, hafnium diboride and hafnium carbide with silicon carbide and ceramic composites which contain mixed diborides and/or carbides of zirconium and hafnium, along with silicon carbide.
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White Michael J.
Mannix John G.
The United States of America as represented by the Administrator
Warsh Kenneth L.
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