简要介绍了活性TIG(A-TIG)焊的基本原理和特点,综述了国内外有关A-TIG焊熔深增加的原理、活性剂的研究现状以及数值模拟技术在A-TIG焊中的应用等方面的研究进展,对此焊接工艺今后的研究发展方向进行了展望.
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