Frequency effects of fatigue crack growth behaviour in a near- alpha titanium alloy

H. Ghonem

Document Type

Article

Date of Original Version

1-1-1991

Abstract

The loading frequency effects on elevated temperature fatigue crack growth behaviour in a new near- alpha, beta-processed titanium alloy were examined in both air and vacuum environments. The individual influences of environment and creep are identified in terms of both the macroscopic crack growth rates and detailed fractographic observations as a function of the applied DELTAK. Results indicate the existence of two regions of transgranular crack growth: microstructurally sensitive and insensitive. (from authors' abstract)

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