Crack initiation and propagation behavior of WC particles reinforced Fe-based metal matrix composite produced by laser melting deposition
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- 作者：Jiandong Wang ; wangjd251@126.com" class="auth_mail" title="E-mail the corresponding author ; Liqun Li ; Wang Tao
- 关键词：Metal matrix composite ; WC particles ; Cracks ; Laser melting deposition
- 刊名：Optics & Laser Technology
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：82
- 期：Complete
- 页码：170-182
- 全文大小：11176 K
文摘
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Cracks cross through WC particles rather than the interface.
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Cracks initiate inside WC particle and propagate along the eutectic phases.
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Interface layer between WC particle and Fe matrix generated during laser melting deposition is very thin.
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The influence of WC particles size and volume fraction on cracks is investigated.
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Smallest sizes of cracked WC particles are related to laser processing parameters.