| A-TIG焊在不锈钢领域的应用 |
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| 引用本文： | 蔡养川,罗震. A-TIG焊在不锈钢领域的应用[J]. 焊管, 2015, 38(7): 1-5. DOI: １００１－３９３８（２０１5）07-0001-05 |
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| 作者姓名： | 蔡养川 罗震 |
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| 作者单位： | 天津大学 材料科学与工程学院，天津 300072 |
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| 摘 要： | 以奥氏体不锈钢为例，简要介绍了A-TIG试验原理以及其在不锈钢领域的应用。系统地分析了活性剂对焊缝组织、力学性能和耐腐蚀性能的影响。目前主要存在三种焊缝熔深增加机理，即“电弧收缩”理论、“阳极斑点”理论和“表面张力温度梯度改变”理论，并对这三种理论进行了系统地阐述。
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| 关 键 词： | 焊接 A-TIG 奥氏体不锈钢 熔深 焊缝组织 力学性能 |
Application of A-TIG Welding in Stainless Steel Field |
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| CAI Yangchuan,LUO Zhen. Application of A-TIG Welding in Stainless Steel Field[J]. Welded Pipe and Tube, 2015, 38(7): 1-5. DOI: １００１－３９３８（２０１5）07-0001-05 |
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| Authors: | CAI Yangchuan LUO Zhen |
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| Affiliation: | College of Materials Science and Engineering, Tianjin University, Tianjin 300072, China |
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| Abstract: | Taking austenitic stainless steel as an example, it briefly introduced the A-TIG test principle in this article，and application of A-TIG wedding in stainless steel field. It systematically analyzed the influence of surfactant on weld organization, mechanical properties and corrosion resistance. At present, there are three types of weld penetration increase mechanism, namely the "arc contraction" theory, the "anode spots" theory and the “surface tension temperature gradient change” theory, it systematically expatiated the above three theories. |
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| Keywords: | welding A-TIG austenitic stainless steel penetration weld organization mechanical properties |
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