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Fatigue crack initiation at stress raisers

โœ Scribed by V. V. Panasyuk; O. P. Ostash; E. M. Kostyk


Publisher
Springer
Year
1986
Tongue
English
Weight
707 KB
Volume
21
Category
Article
ISSN
1573-885X

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Internal stress effects on fatigue crack
โœ D. Kujawski; S. Stoychev ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 785 KB

In this paper the effects of the internal stresses on crack initiation at notches is investigated. Internal stresses are induced by applying two pre-loading cycles at a given load ratio, R = S MIN /S MAX , to the 'virgin' notched specimen. After pre-loading, blocks of 10 6 cycles with a constant nom