利用动态电阻预测5182铝合金电阻点焊中电极表面劣化

IF 2.5 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Welding in the World Pub Date : 2024-11-19 DOI:10.1007/s40194-024-01872-9

A. Nikitin, D. Turabov, E. Ermilova, A. Evdokimov, R. Ossenbrink, H. Seidlitz

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引用次数: 0

摘要

本文研究了5182铝合金电阻点焊过程中，焊接前10ms动态电阻与电极表面状况的相关性。由于污染和形态变化，电极表面迅速退化，对焊缝表面产生不利影响。Cu-Al金属间相在电极表面的积累改变了其粗糙度，导致动态电阻的变化。通过分析这种相关性，确定了延长电极寿命的最佳电极铣削间隔。这项工作主要是通过动态电阻监测来检测电极表面的火山口形成。结果表明，电阻测量为评估电极磨损、优化维护计划和减少铣削过程中的材料去除提供了可靠的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Using dynamic resistance to predict electrode surface degradation in resistance spot welding of 5182 aluminum alloy

In this study, the correlation between dynamic resistance during the first 10 ms of welding time and the electrode surface condition in resistance spot welding of 5182 aluminum alloy has been investigated. The electrode surface rapidly degrades due to contamination and morphological changes, adversely affecting the weld spot surface. The accumulation of Cu-Al intermetallic phases on the electrode surface alters its roughness, leading to variations in dynamic resistance. By analyzing this correlation, optimal electrode milling intervals were identified to extend electrode life. This work focused on detecting crater formation on the electrode surface through dynamic resistance monitoring. The results indicate that resistance measurements provide a reliable approach for evaluating electrode wear, optimizing maintenance schedules, and reducing material removal during milling.

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来源期刊

Welding in the World METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

4.20

自引率

14.30%

发文量

181

审稿时长

6-12 weeks

期刊介绍： The journal Welding in the World publishes authoritative papers on every aspect of materials joining, including welding, brazing, soldering, cutting, thermal spraying and allied joining and fabrication techniques.