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Surface crack initiation in pure titanium under various stress frequencies

โœ Scribed by Sakamoto Hidetoshi; Saiki Hiroyuki; Takano Kiyotaka


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
310 KB
Volume
49
Category
Article
ISSN
0013-7944

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โœฆ Synopsis


Abatrac-The effect of stress frequency on fatigue surface crack initiation in 99.5% pure titanium, which has remarkable strain rate dependence in the plastic region, was studied by experiment and FE analysis. Surface crack initiation teats were carried out under three different stress frequencies. In this analysis, 3D elasto-v&o-plastic FEM-code was used. A comparison between the surface crack initiation life and the behaviors of the stress concentration part by analysis was made.


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