FSW焊接AZ80A镁合金过程中峰值温度相关性及温度分布——数值与实验研究

IF 1.2 4区工程技术 Q3 ENGINEERING, MECHANICAL

Strojniski Vestnik-Journal of Mechanical Engineering Pub Date : 2020-06-15 DOI:10.5545/sv-jme.2020.6566

P. Sevvel, S. Babu, R. S. Kumar

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引用次数: 25

摘要

通过实验测量，建立了AZ80A镁合金FSW焊接过程峰值温度的二次方程。利用COMSOL软件对FSW过程进行了数值模拟，预测和计算了母材和焊接接头各区域的温度分布。峰温分布的预测结果和有限元模拟结果与实验值吻合较好。此外，还进行了参数化实验研究，以确定对AZ80A镁合金FSW过程中峰值温度分布影响最大的工艺参数。FSW的输入工艺参数即移动速度、旋转刀具速度和轴向力对峰值温度的线性贡献分别为32.82%、23.58%和21.76%。

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Peak Temperature Correlation and Temperature Distribution during Joining of AZ80A Mg Alloy by FSW – A Numerical and Experimental Investigation

A quadratic equation has been developed based on experimental measurements to estimate the peak temperature in the FSW process during the joining of AZ80A Mg alloys. The numerical simulation of the FSW process was performed by employing COMSOL software to predict & calculate the distribution of temperature on the various regions of the parent metal and the welded joints. The predicted and FEA simulated results of the distribution of peak temperatures were found to be consistent with the experimental values. In addition to this, a parametric experimental investigation was conducted to identify the most influential process parameter which plays a significant role in the peak temperature distribution during FSW of AZ80A Mg alloy. Linear contributions by the input process parameters of FSW namely, traversing speed, rotating tool speed & axial force on the peak temperature were observed to be 32.82%, 23.58% and 21.76% respectively.

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来源期刊

Strojniski Vestnik-Journal of Mechanical Engineering 工程技术-工程：机械

CiteScore

3.00

自引率

17.60%

发文量

审稿时长

4.1 months

期刊介绍： The international journal publishes original and (mini)review articles covering the concepts of materials science, mechanics, kinematics, thermodynamics, energy and environment, mechatronics and robotics, fluid mechanics, tribology, cybernetics, industrial engineering and structural analysis. The journal follows new trends and progress proven practice in the mechanical engineering and also in the closely related sciences as are electrical, civil and process engineering, medicine, microbiology, ecology, agriculture, transport systems, aviation, and others, thus creating a unique forum for interdisciplinary or multidisciplinary dialogue.