| 搅拌头及工艺参数对厚板7050铝合金搅拌摩擦焊成形的影响 |
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| 引用本文： | 罗贤道,李文亚,余敏,陈亮,李京龙.搅拌头及工艺参数对厚板7050铝合金搅拌摩擦焊成形的影响[J].电焊机,2011,41(5):72-75. |
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| 作者姓名： | 罗贤道 李文亚 余敏 陈亮 李京龙 |
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| 作者单位： | 西北工业大学摩擦焊接陕西省重点实验室; |
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| 摘 要： | 探索了搅拌头及工艺参数对7050铝合金搅拌摩擦焊接焊缝成形的影响.试验结果表明:搅拌头设计不合理及工艺参数选取不当都将导致焊缝成形不良.轴肩尺寸过大是导致焊缝出现隧道型孔洞的主要原因.工艺规范过强时,焊缝易产生飞边和隧道型孔洞等缺陷.在本试验条件下,采用Ⅲ号搅拌头、旋转速度300 r/min和焊接速度95 mm/min...
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| 关 键 词： | 搅拌摩擦焊 7050铝合金 搅拌头 工艺参数 焊缝表面形貌 |
Effects of pin tool and processing parameters of friction stir welding of 7050 aluminum alloy |
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| LUO Xian-dao,LI Wen-ya,YU Min,CHEN Liang,LI Jing-long.Effects of pin tool and processing parameters of friction stir welding of 7050 aluminum alloy[J].Electric Welding Machine,2011,41(5):72-75. |
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| Authors: | LUO Xian-dao LI Wen-ya YU Min CHEN Liang LI Jing-long |
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| Affiliation: | LUO Xian-dao,LI Wen-ya,YU Min,CHEN Liang,LI Jing-long(Shanxi Key Laboratory of Friction Welding Technologies,Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | In this study,the effects of the pin tool and processing parameters of friction stir welding of 7050 aluminum alloy joint were examined.The results indicate that an improper design of the pin tool and/or an unsuitable parameter can cause an unsound weld.The improper dimension of the pin tool shoulder is the main factor resulting in the void defect.Too much heat input may result in the flash and tunnel defects.Under the present conditions,a good welding formation can be obtained by employing the tool III wit... |
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| Keywords: | friction stir welding 7050 aluminum alloy pin tool processing parameters weld appearance |
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