| 镁合金活性TIG焊焊接接头组织特征分析 |
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| 引用本文： | 张兆栋,刘黎明,王来.镁合金活性TIG焊焊接接头组织特征分析[J].焊接学报,2004,25(4):55-58. |
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| 作者姓名： | 张兆栋 刘黎明 王来 |
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| 作者单位： | 大连理工大学,材料工程系,辽宁,大连,116024 |
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| 基金项目： | 国家 8 63计划项目 ( 2 0 0 2AA3 3 1160 )，教育部优秀青年教师资助计划项目 |
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| 摘 要： | 对活性化焊接(A-TIG)方法在镁合金焊接中的应用进行了初步的探讨。选取TiO2作为活性剂，研究了单一活性剂TiO2对镁合金焊接后微观组织的影响。试验结果表明，涂敷单一活性剂TiO2可以使焊缝熔深比常规的TIG焊增加2倍。与未涂敷活性剂的焊缝相比，涂敷TiO2活性剂可以增大焊接的熔深，减小熔宽。
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| 关 键 词： | 镁合金 活性TIG焊 活性剂 熔深 焊接接头 组织 |
| 文章编号： | 0253-360X(2004)04-55-04 |
| 收稿时间： | 2003/9/8 0:00:00 |
Microstructure feature analysis of activating TIG welded joint |
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| ZHANG Zhao-dong,LIU Li-ming and WANG lai.Microstructure feature analysis of activating TIG welded joint[J].Transactions of The China Welding Institution,2004,25(4):55-58. |
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| Authors: | ZHANG Zhao-dong LIU Li-ming and WANG lai |
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| Affiliation: | Department of Material Engineering, Dalian University of Technology, Dalian 116023, China,Department of Material Engineering, Dalian University of Technology, Dalian 116023, China and Department of Material Engineering, Dalian University of Technology, Dalian 116023, China |
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| Abstract: | The effect of activating fluxes with single component TiO_2 on weld form in tungsten inert-gas(TIG) welding of magnesium alloy is studied. The experimental results show that the penetration is more than 2 times compared to the conventional TIG welding. Compared with weld made without flux the penetration increases, and the width decreases. The flux developed has no effect on the microstructure. |
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| Keywords: | magnesium alloys activating tungsten inert-gas welding flux weld penetration |
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