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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.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.
Inventors:
 [1];  [2]
  1. (Slater, IA)
  2. (Ames, IA)
Issue Date:
OSTI Identifier:
870714
Assignee:
Iowa State University Research Foundation (Ames, IA) AMES
Patent Number(s):
US 5580518
Application Number:
08/273,955
Contract Number:
W-7405-ENG-82
Research Org:
Ames Laboratory (AMES), Ames, IA; Iowa State University, Ames, IA (US)
Country of Publication:
United States
Language:
English
Subject:
carbon; boron; modified; titanium; silicide; material; based; intermetallic; compound; exhibits; substantially; improved; oxidative; stability; elevated; temperatures; particular; added; base; amount; weight; effective; impart; 1000; degree; titanium silicide; oxidative stability; compound exhibits; silicide material; improved oxidative; substantially improved; elevated temperatures; elevated temperature; intermetallic compound; base material; base mat; modified titanium; substantially improve; exhibits substantially; boron modified; material based; impart substantially; metallic compound; /420/148/