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Carbon or boron modified titanium silicide

United States Patent

5,779,823
July 14, 1998
View the Complete Patent at the US Patent & Trademark Office
Ames Laboratory - Visit the Iowa State University Research Foundation - Office of Intellectual Property & Technology Transfer Website
A titanium silicide material based on Ti.sub.5 Si.sub.3 intermetallic compound exhibits substantially improved oxidative stability at elevated temperatures. In particular, carbon is added to a Ti.sub.5 Si.sub.3 base material in an amount (e.g. about 0.3 to about 3.6 weight % C) effective to impart substantially improved oxidative stability at elevated temperatures, such as about 1000.degree. C. Boron is added to a Ti.sub.5 Si.sub.3 base material in an amount (e.g. about 0.3 to about 3.3 weight % B) to this same end.
Thom; Andrew J. (Slater, IA), Akinc; Mufit (Ames, IA)
Iowa State University Research Foundation, Inc. (Ames, IA)
08/ 698,507
August 15, 1996
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. W-7405-Eng-82 between the Department of Energy and Iowa State University, which contract grants to the Iowa State University Research Foundation, Inc. the right to apply for this patent. The research leading to the invention was supported in part by U.S. Department of Commerce Grant ITA 87-02.