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| 铝合金与不锈钢电阻点焊接合界面区的组织特性 | |
| 引用本文： | 邱然锋,于华,石红信,张柯柯,涂益民,里中忍.铝合金与不锈钢电阻点焊接合界面区的组织特性[J].焊接学报,2011,32(12):37-40. |
| 作者姓名： | 邱然锋 于华 石红信 张柯柯 涂益民 里中忍 |
| 作者单位： | 1. 河南科技大学材料科学与工程学院,洛阳471003／河南科技大学河南省有色金属材料科学与加工技术重点实验室,洛阳471003 2. 河南科技大学材料科学与工程学院,洛阳,471003 3. 日本国立熊本大学,日本熊本860-8555 |
| 摘 要： | 采用热补偿工艺垫片电阻点焊法对铝合金A5052与不锈钢SUS304异种材料进行了焊接．通过电子显微镜对接合界面区进行了观察，并分析了所生成反应物的微观结构及分布等组织特性．结果表明，一锯齿状反应层在接合界面生成，其主要由Fe2Al5和FeAl3组成；反应层厚度随焊接电流以及界面上位置的变化而变化．另外，在界面附近的铝合... |
| 关 键 词： | 铝合金 不锈钢 电阻点焊 界面反应层 |
| 收稿时间： | 2010/9/29 0:00:00 |
Interfacial characteristics of welded joint between aluminum alloy and stainless steel by resistance spot welding |
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| QIU Ranfeng,YU Hu,SHI Hongxin,ZHAN Keke,TU Yimin and SATONAKA Shinobu.Interfacial characteristics of welded joint between aluminum alloy and stainless steel by resistance spot welding[J].Transactions of The China Welding Institution,2011,32(12):37-40. | |
| Authors: | QIU Ranfeng YU Hu SHI Hongxin ZHAN Keke TU Yimin and SATONAKA Shinobu |
| Affiliation: | School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China;Henan Key Laboratory of Advanced Non-ferrous Metals, Luoyang 471003, China,School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China,School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China,School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China,School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China and Graduate School of Science and Technology, Kumamoto University, Kurokami 2-39-1, Kumamoto 860-8555, Japan |
| Abstract: | Aluminum alloy A5052 and stainless steel SUS304 were welded by resistance spot welding with a cover plate. The welding interface region of the joint was observed with electron microscopy, and the microstructure and distribution of the reaction products were analyzed as well. The results reveal that a serration reaction layer consisting of Fe2Al5 and FeAl3 forms in the welding interface and the reaction layer thickness varies with the welding current and the position at the welding interface. Moreover, the reaction blocks in aluminum alloy near the welding interface were observed, which were estimated as a hexagonal AlFeCr having a=2.451 nm and c=0.758 nm based on analysis of selected area electron diffraction patterns. |
| Keywords: | aluminum alloy stainless steel resistance spot welding interface reaction layer |
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