Unifying Treatment of Notch Effects in Fatigue

According to the concept of "linear notch mechanics" proposed recently by one of authers, it is supposed that not only the crack initiation limit σw1 but also the crack propagation limit σw2 of a notched specimen can be evaluated unifyingly by the maximum elastic stress at the notch root σ...

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Bibliographic Details
Published inTransactions of the Japan Society of Mechanical Engineers Series A Vol. 51; no. 463; pp. 784 - 789
Main Authors NISHITANI, Hironobu, ENDO, Masahiro
Format Journal Article
LanguageEnglish
Japanese
Published The Japan Society of Mechanical Engineers 1985
Subjects
Evaluation of Fatigue Limit
Fatigue
Fatigue Strength
Linear Notch Mechanics
Notch Effects
Rotating Bending
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ISSN0387-5008
1884-8338
DOI10.1299/kikaia.51.784

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Summary:According to the concept of "linear notch mechanics" proposed recently by one of authers, it is supposed that not only the crack initiation limit σw1 but also the crack propagation limit σw2 of a notched specimen can be evaluated unifyingly by the maximum elastic stress at the notch root σmax and the notch radius ρ alone. Some previous results concerning σw2 and the present experimental results concerning σw1 and σw2 support the above presumption.
ISSN:0387-5008
1884-8338
DOI:10.1299/kikaia.51.784