Micromechanical investigation into the effect of texture on the fatigue behaviour of superelastic nitinol
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- 作者：F.M. Weafer ; f.weafer1@nuigalway.ie" class="auth_mail" title="E-mail the corresponding author ; M.S. Bruzzi
- 关键词：NiTi ; Superelasticity ; Fatigue ; Crystallography ; Microstructural texture
- 刊名：International Journal of Fatigue
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：93
- 期：part_P1
- 页码：148-155
- 全文大小：1604 K
文摘
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Computational examination into the effect of texture on NiTi fatigue behaviour.
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Correlate crack-tip driving force with experimental long crack growth rate curve.
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Simulating NiTi specimen as a (a) continuum and (b) textured material.
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Texture shown to cause scatter of approx. 23% in predicted fatigue endurance limits.
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Standard continuum models shown to result in an over-estimation of fatigue life.