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On the effect of random defects on the fatigue notch factor at different stress ratios

✍ Scribed by Kristoffer Karlén; Mårten Olsson; Hamidreza Ahmadi; Gunnar Härkegård


Book ID
113644858
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
511 KB
Volume
41
Category
Article
ISSN
0142-1123

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✍ Takeshi Kanazawa; Susumu Machida; Kouy/.u Itoga 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 637 KB

A new model of fatigue crack propagation is proposed which takes the effect of cyclic stress ratio into account. In the model it is assumed tbat the fatigue cmck propagation rate is proportional to the absorbed hysterisis energy per stress cyck at the tip of a crsck. The energy is calctdated from st