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Effect of notch root radius on fatigue crack initiation

✍ Scribed by Öktem Vardar; Vahan Kalenderoǧlu

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
259 KB
Volume
114
Category
Article
ISSN
0921-5093

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Effect of notch root radius on the initi
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Under the conditions of constant nominal applied stress. increasing notch root radius causes an increase in the number of cycles to initiate a fatigue crack at a notch root. An explanation of the effect is given in terms of the effective stress concentration factor of the notch. Data are presented w

Internal stress effects on fatigue crack
Internal stress effects on fatigue crack initiation at notches
✍ D. Kujawski; S. Stoychev 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 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