Fatigue assessment of notched specimens by means of a critical plane-based criterion and energy concepts
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- 作者：Andrea Carpinteria ; andrea.carpinteri@unipr.it" class="auth_mail" title="E-mail the corresponding author ; Filippo Bertob ; c ; Alberto Campagnolod ; Giovanni Fortesea ; Camilla Roncheia ; Daniela Scorzaa ; Sabrina Vantadoria
- 关键词：Strain-based criterion ; Critical-plane approach ; Fatigue lifetime ; Control volume radius
- 刊名：Theoretical and Applied Fracture Mechanics
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：84
- 期：Complete
- 页码：57-63
- 全文大小：843 K
文摘
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A strain-based multiaxial fatigue criterion for notched components is proposed.
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Fatigue assessment is carried out at a material critical point.
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The critical point is determined through energy concepts (control volume radius).
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Multiaxial fatigue data of sharply notched specimens of Ti–6Al–4V are examined.
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The agreement between experimental data and estimated fatigue lives is satisfactory.