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厚板FAB法单丝埋弧焊温度场的有限元分析

浦娟, 余圣甫, 胥国祥

浦娟, 余圣甫, 胥国祥. 厚板FAB法单丝埋弧焊温度场的有限元分析[J]. 焊接学报, 2016, 37(1): 23-28.
引用本文: 浦娟, 余圣甫, 胥国祥. 厚板FAB法单丝埋弧焊温度场的有限元分析[J]. 焊接学报, 2016, 37(1): 23-28.
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PU Juan, YU Shengfu, XU Guoxiang. Finite element analysis of temperature field in single wire FAB submerged arc welding of thick steel plate[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(1): 23-28.
Citation: PU Juan, YU Shengfu, XU Guoxiang. Finite element analysis of temperature field in single wire FAB submerged arc welding of thick steel plate[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(1): 23-28.
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厚板FAB法单丝埋弧焊温度场的有限元分析

  • 1.

    华中科技大学, 材料科学与工程学院, 武汉 430074;江苏科技大学, 材料科学与工程学院, 镇江 212003

  • 2.

    华中科技大学, 材料科学与工程学院, 武汉 430074

  • 3.

    江苏科技大学, 材料科学与工程学院, 镇江 212003

基金项目: 国家自然科学基金委员会钢铁联合研究基金资助项目(U1260103);江苏省先进焊接技术重点实验室资助项目

Finite element analysis of temperature field in single wire FAB submerged arc welding of thick steel plate

  • 1.

    School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China

  • 2.

    School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

  • 3.

    School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China

摘要

    摘要
  • 摘要: 从宏观传热学出发,综合考虑坡口形式对焊接热输入影响及焊缝横断面形状特征,建立了厚板FAB法单丝埋弧焊温度场三维数值分析模型. 利用ANSYS软件对不同厚度D32钢FAB法单丝埋弧焊焊接温度场及热循环曲线进行模拟计算,对其热场特征进行了分析. 结果表明,不同焊接条件下横断面形状尺寸及热循环曲线计算结果与试验结果吻合较好,从而证明了模型的准确性和适用性;在获得良好焊缝成形条件下,随着板厚的增加,焊件上、下表面的热影响区宽度有所减小,而热循环冷却时间t8/5变化规律不明显.
    Abstract: Based on macro heat transfer mechanism, a three dimensional numerical analysis model for temperature field in single wire FAB (flux aided backing) submerged arc welding of thick plate was established by considering the influence of groove on welding heat input and the geometry of the weld cross section. The temperature field and the thermal cycle in FAB welding of D32 steel for different thicknesses were calculated using ANSYS software and the thermal field was analyzed. The results show that the calculated weld cross section shape and size as well as the thermal cycle were in fair agreement with experimental data, indicating the accuracy and adaptively of the model. In the condition of good weld formation, with the raise of plate thickness, the width of HAZ at the top and bottom surface of the work piece decreased to some extent, but the cooling time t8/5 of thermal cycle had no obvious changing tendancy.
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    • 参考文献(12)
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  • 收稿日期:  2014-07-11

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