Abstract
The hydrogen diffuses in material and accumulates at the stress concentration area such as a crack tip and it causes hydrogen embrittlement. Under corrosive condition, hydrogen generate by anodic dissolvent reaction and its causes hydrogen embrittlement. To clarify the mechanism of hydrogen embrittlement, it is important to obtain the hydrogen concentration behavior. Titanium alloys are one of the main metallic materials for biomedical applications. It is important to clarify the crack growth mechanism under corrosion environment such as bio-environment. In this study, the frequency effect on a corrosion fatigue crack growth rate of Ti-6AI-4V alloy was obtained by numerical analysis.
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