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Title: Carbon or boron modified titanium silicide

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 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. 3 figs.
Inventors:
;
Issue Date:
OSTI Identifier:
415773
Assignee:
Iowa State Univ. Research Foundation, Ames, IA (United States) PTO; SCA: 360205; PA: EDB-97:015201; SN: 97001714628
Patent Number(s):
US 5,580,518/A/
Application Number:
PAN: 8-273,955; TRN: 97:001294
Contract Number:
W-7405-ENG-82
Resource Relation:
Other Information: PBD: 3 Dec 1996
Research Org:
Iowa State University
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; TITANIUM SILICIDES; CORROSION RESISTANCE; CARBON; METALLURGICAL EFFECTS; BORON; OXIDATION; CARBON ADDITIONS; BORON ADDITIONS

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