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异种不等厚铝合金电阻点焊分流的数值模拟

张禹1,毕敬2,罗震1,3,李洋1

张禹1,毕敬2,罗震1,3,李洋1. 异种不等厚铝合金电阻点焊分流的数值模拟[J]. 焊接学报, 2017, 38(10): 61-65. DOI: 10.12073/j.hjxb.20151107001
引用本文: 张禹1,毕敬2,罗震1,3,李洋1. 异种不等厚铝合金电阻点焊分流的数值模拟[J]. 焊接学报, 2017, 38(10): 61-65. DOI: 10.12073/j.hjxb.20151107001

异种不等厚铝合金电阻点焊分流的数值模拟

  • 摘要: 采用ANSYS软件建立了异种不等厚铝合金2219/5052电阻点焊分流模型,研究了两焊点间不同焊点间距对分流大小和熔核直径的影响,分析了电阻点焊分流现象的机理,并提出改善分流现象的工艺措施.计算结果表明,焊点间距越小,分流程度越大,12 mm间距时无熔核.提高焊接电流,可抑制分流,改善分流现象.经试验验证,数值计算得到的熔核直径与试验测得结果吻合良好,验证了模型的正确性,为研究电阻点焊分流现象提供理论了依据.
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出版历程
  • 收稿日期:  2015-11-06

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