1420铝锂合金激光焊接的研究及发展
Development and study of laser welding of 1420 Aluminum-Lithium Alloys
丁灏，马云霞，白培康，刘斌
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作者单位：中北大学
中文关键字：1420铝锂合金；激光焊接；气孔；接头强度
英文关键字：1420 aluminum-lithium alloy; laser welding; porosity; joint strength
中文摘要：回顾了1420铝锂合金的发展历史，对其在国内外的应用进行了简要归纳。并针对1420铝锂合金激光焊接中存在的主要缺陷产生的原因进行了系统的分析。重点阐述了激光焊接工艺参数对焊缝成形和过程不稳定性的影响。最后分析了铝锂合金今后的发展趋势。
英文摘要：The history of the development of 1420 aluminum-lithium alloy was reviewed. And its application at home and abroad for a brief summary. And for 1420 Al-Li alloy laser welding of the main causes of defects for a systematic analysis. Focuses on the laser welding process parameters on the weld and the process does not affect stability. Finally, analysis of the aluminum-lithium alloy development trend of the future.