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6082–T651铝合金焊接裂纹与约束状态试验分析

Analysis welding crack and welding construction of 6082-T651 aluminum alloy
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摘要 采用MIG焊接方式对不同约束状态下的6082-T651铝合金试板进行焊接,用VT、PT、UT等方法对焊接接头进行检测,用ANSYS软件对不同状态下的试样进行分析计算。结果表明:6082-T651铝合金焊接裂纹敏感性高,极易产生焊接裂纹;约束状态下的焊接应力要明显高于自由状态下的焊接应力;焊缝在刚性约束条件下更容易产生热裂纹,且裂纹主要集中在熔合线和热影响区;当试件处在自由状态时无焊接热裂纹产生。
作者 夏茂燕 许民 王艺 Xia Maoyan
出处 《金属加工(热加工)》 2022年第11期43-47,共5页 MW Metal Forming
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