Investigation of molten pool behavior and weld bead formation in VP-GTAW by numerical modelling
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- 作者：Jiajing Pana ; b ; Shengsun Hua ; b ; Lijun Yanga ; b ; yljabc@tju.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Dongpo Wanga ; b
- 关键词：Numerical simulation ; Variable polarity ; GTAW ; Molten pool ; Surface deformation ; Wire filling
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：5 December 2016
- 年：2016
- 卷：111
- 期：Complete
- 页码：600-607
- 全文大小：1748 K
文摘
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A three-dimensional model is proposed for a high speed VP-GTAW process.
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The transport phenomena in molten pool and weld bead formation are analyzed.
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The weld bead defects formation mechanism are discussed.