Very high cycle fatigue and fatigue crack propagation behavior of selective laser melted AlSi12 alloy
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- 作者：Shafaqat Siddique ; shafaqat.siddique@tu-dortmund.de" class="auth_mail" title="E-mail the corresponding author ; ; Muhammad Imran ; Frank Walther
- 关键词：Selective laser melting (SLM) ; AlSi12 alloy ; Computed tomography (CT) ; Very high cycle fatigue (VHCF) ; Crack propagation rate (da/dN)
- 刊名：International Journal of Fatigue
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：94
- 期：part_P2
- 页码：246-254
- 全文大小：3147 K
文摘
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Paper explores fatigue mechanisms of SLMed ALSi12 alloy in gigacycle fatigue.
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Base plate heating controls the cooling rate and the corresponding properties.
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Base plate heating improves the fatigue performance of SLM ALSi12 alloy.
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Base plate heating also improves the fatigue crack propagation behavior.
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Defect distribution dominates the microstructural effects on fatigue.