Non-linear finite element analysis of a Ti6Al4V/Inconel 625 joint obtained by explosion welding for sub-sea applications

IF 0.4 Q4 Engineering UNDERWATER TECHNOLOGY Pub Date : 2021-03-30 DOI:10.3723/UT.38.013
P. Corigliano
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Abstract

Industries have shown interest in the use of dissimilar metals to make corrosion-resistant materials combined with good mechanical properties in marine environments. Explosive welding can be considered a good method for joining dissimilar materials to prevent galvanic corrosion. The aim of the present study was to simulate the non-linear behaviour of a Ti6Al4V/Inconel 625 welded joint obtained by explosion welding from the values of the tensile ultimate strength and yielding strength of the parent materials. The present study compared the stress-strain curve from tensile loading obtained by the non-linear finite element analysis with the experimental stress-strain curve of a bimetallic joint. The applied method provides useful information for the development of models and the prediction of the structural behaviour of Ti6Al4V/Inconel 625 explosive welded joints.
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海底爆炸焊接Ti6Al4V/Inconel 625接头的非线性有限元分析
工业对使用异种金属制造耐腐蚀材料并在海洋环境中具有良好的机械性能表现出兴趣。爆炸焊接可以认为是一种连接异种材料以防止电偶腐蚀的好方法。本研究的目的是通过母材的抗拉极限强度和屈服强度数值模拟爆炸焊接获得的Ti6Al4V/Inconel 625焊接接头的非线性行为。本文将非线性有限元分析得到的拉伸载荷应力-应变曲线与双金属接头的实验应力-应变曲线进行了比较。该方法为Ti6Al4V/Inconel 625爆炸焊接接头的模型建立和结构性能预测提供了有用的信息。
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UNDERWATER TECHNOLOGY
UNDERWATER TECHNOLOGY ENGINEERING, OCEAN-
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