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Friction stir welding of the 6061-O aluminium alloy
Author(s): 
Pages: 45-49
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  6061铝合金搅拌摩擦焊组织性能;
Abstract: 采用搅拌摩擦焊(FSW)方法对6mm厚的6061-O铝合金板材进行对接,利用光学显微镜(OM)和扫描电镜(SEM)分析母材和焊接接头的显微组织和断口形貌,并测试其拉伸性能和显微硬度.结果表明:焊接速度v为300 mm/min时,当搅拌头旋转速度n低于800 r/min.6061-O铝合金FSW接头出现明显的未焊合缺陷;当转速提高到1200 r/min,接头缺陷消失,接头拉伸性能与母材接近.在所选工...
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