| 2524-T3铝合金搅拌摩擦焊对接接头的疲劳性能 |
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| 引用本文： | 张腾,何宇廷,伍黎明,王新波.2524-T3铝合金搅拌摩擦焊对接接头的疲劳性能[J].机械工程材料,2012(5):47-49. |
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| 作者姓名： | 张腾 何宇廷 伍黎明 王新波 |
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| 作者单位： | 空军工程大学工程学院;中航工业第一飞机设计研究院 |
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| 基金项目： | 国家自然科学基金资助项目(50975284);陕西省自然科学基金资助项目(SJ08E107) |
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| 摘 要： | 对2524-T3铝合金母材及三种尺寸搅拌摩擦焊(FSW)对接接头的疲劳性能进行了研究,获得了各试样的S-N曲线并进行了分析。结果表明:在疲劳寿命为1×105周时,小厚度、短焊缝FSW对接接头的疲劳强度约为母材的80.8%,大厚度FSW对接接头的疲劳强度约为小厚度、短焊缝FSW对接接头的80.3%,大焊缝FSW对接接头的疲劳强度约为小厚度、短焊缝FSW对接接头的79.9%。
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| 关 键 词： | 搅拌摩擦焊 2524-T3铝合金 疲劳性能 S-N曲线 |
Fatigue Performance of Friction Stir Welded Butt Joints for 2524-T3 Aluminum Alloy |
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| ZHANG Teng,HE Yu-ting,WU Li-ming,WANG Xin-bo.Fatigue Performance of Friction Stir Welded Butt Joints for 2524-T3 Aluminum Alloy[J].Materials For Mechanical Engineering,2012(5):47-49. |
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| Authors: | ZHANG Teng HE Yu-ting WU Li-ming WANG Xin-bo |
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| Affiliation: | 1.Engineering College,Air Force Engineering University,Xi′an 710038,China; 2.The First Aircraft Institute,Aviation Industry Corporation of China,Xi′an 710089,China) |
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| Abstract: | The fatigue performance of 2524-T3 aluminum alloy base metal and three kinds of size of friction stir welded(FSW)butt joints was studied.The S-N curves of samples were obtained and analyzed.The results show that when the fatigue life was 1×105 cycles,the fatigue strength of FSW butt joint with small thickness and short weld seam was 80.8% of the fatigue strength of base metal,the fatigue strength of the joint with big thickness was 80.3% of the joint with small thickness and short weld seam,and the fatigue strength of FSW butt joint with big weld seam was 79.9% of the joint with small thickness and short weld seam. |
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| Keywords: | friction stir welding(FSW) 2524-T3 aluminum alloy fatigue performance S-N curve |
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