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Laser transmission welding of dissimilar plastics: 3-D FE modeling and experimental validation
Welding in the World ( IF 2.4 ) Pub Date : 2021-01-30 , DOI: 10.1007/s40194-021-01079-2
Bappa Acherjee

This paper presents a three-dimensional finite element model (FEM) of laser transmission welding of dissimilar plastics. Welding of polycarbonate to ABS (acrylonitrile butadiene styrene) with a moving volumetric heat source is modeled using ANSYS® Parametric Design Language. In model development, consideration is given to all major thermal phenomena associated with the laser transmission welding process, such as heat conduction, convection, and thermal radiation. The model also incorporates the effects of dilution on temperature cycles. Welding experiments are conducted to validate the numerical model. The model predicted simulation results are in good agreement with the measurements. The results predicted by the model can further be used for the optimization of the process.



中文翻译:

异种塑料的激光透射焊接:3-D有限元建模和实验验证

本文提出了一种异种塑料激光透射焊接的三维有限元模型(FEM)。聚碳酸酯的焊接ABS(丙烯腈丁二烯苯乙烯)与运动体积热源利用ANSYS被建模®参数化设计语言。在模型开发中,考虑了与激光透射焊接过程相关的所有主要热现象,例如热传导,对流和热辐射。该模型还考虑了稀释对温度循环的影响。进行焊接实验以验证数值模型。模型预测的仿真结果与测量结果吻合良好。该模型预测的结果可进一步用于优化过程。

更新日期:2021-01-31
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