2219铝合金搅拌摩擦焊工艺及接头性能
Properties of Joint of 2219 Aluminum Alloy Friction Stir Welding
摘 要
采用搅拌摩擦焊方法对6 mm厚的2219铝合金板进行焊接,研究了2219铝合金的搅拌摩擦焊工艺和主要焊接参数对焊缝成形和接头力学性能的影响.结果表明:在旋转速度1 250～1 400 r·min-1,焊接速度100～140 mm·min-1时,可获得性能良好的焊接接头;对2219铝合金搅拌摩擦焊接后再固溶时效处理可有效消除接头软化区,提高接头强度.
2219铝合金
显微硬度
friction stir welding(FSW)
2219 aluminum
micro-hardness
Abstract
Friction-stir welds of 2219 aluminum alloy sheet in 6 mm thickness were completed.The effect of friction stir welding procedures and parameters on weldline formation and mechanical properties of 2219 aluminum alloy was studied.The results show that sound joints could be achieved when rotation speed ranged between 1 250~1 400 r·min-1 and welding speed ranged from 100 mm·min-1 to 140 mm·min-1.The post-weld solution heat treatment and aging of the the 2219 aluminum alloy FSW samples could avcid the softened region could effectively and inerease weld strength.
中图分类号 TG453
所属栏目
基金项目 江苏省高新技术产业化资助项目(JH01-071)
收稿日期 2007/3/31
修改稿日期 2007/5/22
网络出版日期
作者单位点击查看
备注贺永海(1979-),男,河南新乡人,工程师,硕士.
引用该论文: HE Yong-hai,ZHANG Li-wu,HU Chun-wei. Properties of Joint of 2219 Aluminum Alloy Friction Stir Welding[J]. Materials for mechancial engineering, 2008, 32(2): 37～39
贺永海,张立武,胡春炜. 2219铝合金搅拌摩擦焊工艺及接头性能[J]. 机械工程材料, 2008, 32(2): 37～39
被引情况:
【1】段小雪,田志杰,杜岩峰,张彦华, "2219铝合金搅拌摩擦焊接头的裂纹扩展行为",机械工程材料 38, 85-88(2014)
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参考文献
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【8】张平,王卫欣,赵军军.7A52铝合金搅拌摩擦焊接头特征分析[J].兵器材料科学与工程,2004,27(6):38-42.
【2】孪国红,关 桥.搅拌摩擦焊——革命性的宇航制造新技术[J].航天制造技术,2003(8):16-23.
【3】Horng Y W,Shyong L,Jian Y W.Solid-state bonding of iron-based alloys,steel-brass,and aluminum alloys[J].Journal of Materials Processing Technology,1998,75:173-179.
【4】John A Wert.Microstructures of friction stir weld joints between an aluminum-base metal matrix composite and a monolithic aluminum alloy[J].Scripta Materialia,2003,67:607-612.
【5】Liu H J,Fujii H,Maedaa M,et al.Tensile properties and fracture locations of friction-stir-welded joints of 2017-T351 aluminum alloy[J].Journal of Materials Processing Technology,2003(142):692-696.
【6】姜澜,魏绪钧,姚广春,等.铝合金搅拌摩擦焊研究现状及应用[J].材料导报,2003,17(6):70-72.
【7】杨宗辉,孙孝纯,王笑川,等.搅拌摩擦焊与铝船制造革命[J].电焊机,2004,34(2):9-13.
【8】张平,王卫欣,赵军军.7A52铝合金搅拌摩擦焊接头特征分析[J].兵器材料科学与工程,2004,27(6):38-42.
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