Online monitoring of thermo-cycles and its correlation with microstructure in laser cladding of nickel based super alloy
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- 作者：Gopinath MuvvalaAuthor Vitae ; Debapriya Patra KarmakarAuthor Vitae ; Ashish Kumar Nath ; aknath@mech.iitkgp.ernet.in" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Laser cladding ; Online monitoring ; Thermo-cycles ; IR pyrometer
- 刊名：Optics and Lasers in Engineering
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：88
- 期：Complete
- 页码：139-152
- 全文大小：6015 K
文摘
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Monitoring of thermo-cycles during laser cladding process is implemented.
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Effect of process parameters on heating and cooling rates is investigated.
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Effect of cooling rate on elemental segregations, epitaxial to equiaxed grain growth transition and grain size is studied.
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Correlation between cooling rates and microstructure and mechanical properties is studied.