| 钛/铝异种金属搅拌摩擦焊搭接接头的组织结构 |
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| 引用本文： | 陈玉华,倪泉,黄春平,柯黎明.钛/铝异种金属搅拌摩擦焊搭接接头的组织结构[J].焊接学报,2011,32(9):73-76. |
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| 作者姓名： | 陈玉华 倪泉 黄春平 柯黎明 |
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| 作者单位： | 南昌航空大学轻合金加工科学与技术国防重点学科实验室,南昌,330063 |
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| 基金项目： | 航空科学基金资助项目(2009ZE56011); 轻合金加工科学与技术国防重点学科实验室开放基金资助项目(gf200901001) |
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| 摘 要： | 采用搅拌摩擦焊对TC1钛合金和LF6铝合金异种金属进行了搭接连接,研究了接头的微观组织结构.结果表明,当搅拌头旋转频率为1 500 r/min、焊接速度为60mm/min时,能获得焊缝成形良好、无孔洞和裂纹等缺陷的搭接接头,搭接处铝合金和钛合金充分混合,形成焊核区.焊核两侧进入铝合金中的钛合金在搅拌针的挤压下发生了弯曲...
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| 关 键 词： | 钛/铝异种金属 搅拌摩擦焊 搭接接头 微观组织 元素分布 |
| 收稿时间： | 2010/8/2 0:00:00 |
Microstructure of Ti/Al dissimilar alloys lap joint made by friction stir welding |
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| CHEN Yuhu,NI Quan,HUANG Chunping and KE Liming.Microstructure of Ti/Al dissimilar alloys lap joint made by friction stir welding[J].Transactions of The China Welding Institution,2011,32(9):73-76. |
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| Authors: | CHEN Yuhu NI Quan HUANG Chunping and KE Liming |
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| Affiliation: | CHEN Yuhua,NI Quan,HUANG Chunping,KE Liming(National Defense Key Disciplines Laboratory of Light Alloy Processing Science and Technology,Nanchang Hangkong University,Nanchang 330063,China) |
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| Abstract: | Dissimilar metals of TC1/LF6 were lap jointed by friction stir welding(FSW) and the microstructure of the lap joint was studied.The results showed that good appearance of weld joint without defects such as cavitation and crack was obtained when the rotation speed of stir head was 1 500 r/min and the welding speed was 60 mm/min.Ti alloy and Al alloy intensively mix and form nugget zone in the lap zone.Ti alloy which is stirred into Al alloy on both sides of the nugget bends under the extrusion effection of t... |
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| Keywords: | dissimilar matals of Ti/Al friction stir welding lap joint microstrcture element distribution |
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