| 铝合金搅拌摩擦焊焊接缺陷分析 |
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| 引用本文： | 张忠科,孙丙岩,王希靖,王丽. 铝合金搅拌摩擦焊焊接缺陷分析[J]. 热加工工艺, 2006, 35(19): 13-15 |
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| 作者姓名： | 张忠科 孙丙岩 王希靖 王丽 |
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| 作者单位： | 兰州理工大学,甘肃省有色金属新材料省部共建国家重点实验室,甘肃,兰州,730050 |
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| 摘 要： | 采用搅拌摩擦焊方法对6mm厚的2A12及3A21铝合金进行焊接。对其焊接速度、旋转速度及压入量等工艺参数选择不当所产生的接头缺陷进行了分析；焊接缺陷的产生与焊接热输入及焊缝塑性金属的软化相关。当热输入不足或者塑性金属的软化程度较差时都会导致焊接缺陷的形成。
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| 关 键 词： | 搅拌摩擦焊 缺陷 2A12铝合金 3A21铝合金 |
| 文章编号： | 1001-3814(2006)19-0013-02 |
| 收稿时间： | 2006-07-17 |
| 修稿时间： | 2006-07-17 |
Analysis on Weld Defect of Friction Stir Welding of Aluminum alloy Plate |
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| ZHANG Zhong-ke,SUN Bing-yan,WANG Xi-jing,WANG li. Analysis on Weld Defect of Friction Stir Welding of Aluminum alloy Plate[J]. Hot Working Technology, 2006, 35(19): 13-15 |
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| Authors: | ZHANG Zhong-ke SUN Bing-yan WANG Xi-jing WANG li |
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| Affiliation: | State Key Lab. of Gansu Advanced Non-ferrous Metal Materials, Lanzhou Univ. of Techn. ,Lanzhou 730050, China |
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| Abstract: | 2A12A1 and 3A21A1 alloy in 6mm thickness was friction stir welded using the process of weld.The reasons for forming defects,welding speed,rotating speed and pressure of the shoulder, were analyzed. The results show that the defect formations is related to the heat input and deficiency material flow in the welding process. Insufficient heat input or deficiency material softening will result in the joint defect in the process. |
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