A quantitative three-dimensional in situ study of a short fatigue crack in a magnesium alloy
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- 作者：T.J. Marrowa ; james.marrow@materials.ox.ac.uk" class="auth_mail ; M. Mostafavib ; m.mostafavi@sheffield.ac.uk" class="auth_mail ; T. Hashimotoc ; t.hashimoto@manchester.ac.uk" class="auth_mail ; G.E. Thompsonc ; george.thompson@manchester.ac.uk" class="auth_mail
- 关键词：Fatigue ; X-ray computed micro-tomography ; Digital volume correlation ; Serial sectioning ; Crack opening displacement
- 刊名：International Journal of Fatigue
- 出版年：September 2014
- 年：2014
- 卷：66
- 期：Complete
- 页码：183-193
- 全文大小：5603 K
文摘
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Destructive 3D analysis is compared with non-destructive X-ray Computed micro-tomography.
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Serial Block Face Scanning Electron Microscopy of a fatigue crack in magnesium has been done.
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Three-dimensional fractography reveals the microstructure influence on crack propagation.
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Digital volume correlation measures the crack opening displacements and opening modes in 3D.
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Twinning deflects the crack path and retards the crack propagation rate.