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

PA Bartolotta; MJ Verrilli

doi:10.1520/STP12628S

SYMPOSIA PAPER Published: 01 January 1993

STP12628S

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

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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

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

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