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高强铝合金厚板双丝MIG焊工艺的初步研究 被引量:11

Tandem MIG welding of high-strength thick aluminum alloy plate
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摘要 建立了高强铝合金双丝MIG焊熔滴过渡高速摄像系统以及焊接参数采集系统,获取了不同工艺规范下的脉冲熔滴过渡形式。实验表明一脉一滴工艺规范焊缝成形好,工艺过程稳定,应为首选过渡形式。确定了在一脉一滴情况下的焊接工艺规范参数区间,在此区间内可以实现稳定的一脉一滴熔滴过渡,为控制焊接热输入量及焊缝成形奠定了基础。 The high-speed camera system and data acquisition system of welding parameters were created for tandem MIG welding of high strength aluminum alloy. The experiments were carried out in order to obtain the droplet transfer photos under different welding parameters in pulsed mode. The droplet transfer mode of 'one pulse one droplet' becomes the preferred selection during welding process because of its stable procedure and sound weld formation. The parameter ranges for the corresponding transfer mode were achieved, among which the stable droplet transfer mode of 'one pulse one droplet' can be realized. These efforts brave the way for control of weld heat input and weld formation in the future.
出处 《中国有色金属学报》 EI CAS CSCD 北大核心 2004年第F01期259-264,共6页 The Chinese Journal of Nonferrous Metals
基金 国家"八六三"计划资助项目(2002AA305402)
关键词 铝合金 双丝MIG焊 熔滴过渡 焊接规范 厚板 焊接 aluminum alloy tandem MIG welding droplet transfer welding procedure
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