Influence of pulsation in thermo-mechanical analysis on laser micro-welding of Ti6Al4V alloy

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• 作者：M. Baruah ; S. Bag ; ^{swarupbag@iitg.ernet.in}
• 关键词：Pulse heat flux ; Microwelding ; Titanium alloy ; Finite element ; Residual distortion
• 刊名：Optics & Laser Technology
• 出版年：2017
• 出版时间：1 May 2017
• 年：2017
• 卷：90
• 期：Complete
• 页码：40-51
• 全文大小：2583 K
• 卷排序：90

文摘

Development of process window for butt welding of 500 µm thick Ti6Al4V alloy. Mechanical and thermal characterization of welded joints by pulse Nd: YAG laser. Development of 3D finite element based thermomechanical model of laser microwelding. Effect of pulse heat source in numerical simulation of temperature field. Development of typical “hourglass” type heat source for over penetrated weld.