SYMPOSIA PAPER Published: 01 January 1993
STP12628S

Thermomechanical Fatigue Behavior of SiC/Ti-24Al-11Nb [0] in Air and Argon Environments

Source

A series of tension-tension, load-controlled thermomechanical fatigue (TMF) tests was conducted on a titanium aluminide composite in both laboratory air and a flowing argon environment. Results from these tests show that the environment plays an increasingly important role as applied stress levels are decreased. Differences in damage mechanisms between the two environments were observed which correspond to observed variations in TMF lives.

Author Information

Bartolotta, PA
NASA Lewis Research Center, Cleveland, OH
Verrilli, MJ
NASA Lewis Research Center, Cleveland, OH
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Details
Developed by Committee: D30
Pages: 190–201
DOI: 10.1520/STP12628S
ISBN-EB: 978-0-8031-5252-6
ISBN-13: 978-0-8031-1879-9