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固态相变对10Ni5CrMoV钢焊接残余应力的影响

王苹, 刘永, 李大用, 方洪渊

王苹, 刘永, 李大用, 方洪渊. 固态相变对10Ni5CrMoV钢焊接残余应力的影响[J]. 焊接学报, 2017, 38(5): 125-128. DOI: 10.12073/j.hjxb.20170528
引用本文: 王苹, 刘永, 李大用, 方洪渊. 固态相变对10Ni5CrMoV钢焊接残余应力的影响[J]. 焊接学报, 2017, 38(5): 125-128. DOI: 10.12073/j.hjxb.20170528
shu
WANG Ping, LIU Yong, LI Dayong, FANG Hongyuan. Effect of solid-state phase transformation on welding residual stress of 10Ni5CrMoV steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 125-128. DOI: 10.12073/j.hjxb.20170528
Citation: WANG Ping, LIU Yong, LI Dayong, FANG Hongyuan. Effect of solid-state phase transformation on welding residual stress of 10Ni5CrMoV steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 125-128. DOI: 10.12073/j.hjxb.20170528
shu

固态相变对10Ni5CrMoV钢焊接残余应力的影响

  • 1.

    哈尔滨工业大学 先进焊接与连接国家重点实验室, 哈尔滨 150001;中船重工431厂, 葫芦岛 125000

  • 2.

    哈尔滨工业大学 先进焊接与连接国家重点实验室, 哈尔滨 150001

Effect of solid-state phase transformation on welding residual stress of 10Ni5CrMoV steel

  • 1.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;China Shipbuilding Industry 431 Shipyard, Huludao 125000, China

  • 2.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China

摘要

    摘要
  • 摘要: 10Ni5CrMoV钢属于低合金高强钢，固态相变效应在其焊接热-力耦合分析中不可忽略.固态相变效应表现为体积变化和屈服强度"滞后"现象，通过热膨胀试验测试相变参数，建立固态相变的数学模型，开展了考虑固态相变效应的10Ni5CrMoV钢焊接热-力耦合分析.结果表明，考虑固态相变效应后，焊缝及焊缝附近（相变区域）纵向拉应力大幅度降低，相变区域相邻位置拉应力仍然较高；横向应力的分布状态变化明显，应力峰值变化较小，约为室温屈服强度的25%.应力测试结果与数值模拟结果较吻合，验证了固态相变模型的准确性.
    Abstract: 10Ni5CrMoV steel is a high strength low alloy steel (HSLA), its solid-state phase transformation effects cannot be ignored in welding mechanical analysis. In this study, welding numerical simulation is conducted with consideration of solid-state phase transformation effects including volumetric change and hysteresis of yield strength. The results show that longitudinal tensile stress become much lower in phase transformation zone, but it maintains high stress level in adjacent areas. Nevertheless, the distribution of transverse stress is changed a lot, with a similar peak value, approximately 25% of yield strength at room temperature. And it is approved that both longitudinal and transverse residual stress are in good agreement with experimental measurements.
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    • 参考文献(6)
  • [1] 周月波. 10Ni5CrMoV钢MIG焊接接头的组织与力学性能研究[D]. 哈尔滨: 哈尔滨工程大学, 2002.
    [2] 张 晓, 姚润钢, 王任甫, 等. 屈服强度参数对10Ni5CrMoV钢焊接残余应力数值计算结果的影响[J]. 焊接学报, 2010, 31(4): 97-100. Zhang Xiao, Yao Rungang, Wang Renfu, et al. Effects of yield strength parameters on welding residual stress simulation results of 10Ni5CrMoV steel[J]. Transactions of the China Welding Institution, 2010, 31(4): 97-100.
    [3] Deng D. FEM prediction of welding residual stress and distortion in carbon steel considering phase transformation effects[J]. Materials & Design, 2009, 30(2): 359-366.
    [4] Deng D, Murakawa H. Prediction of welding residual stress in multi-pass butt-welded modified 9Cr-1Mo steel pipe considering phase transformation effects[J]. Computational Materials Science, 2006, 37(3): 209-219.
    [5] 邓德安, 村川英一, 麻宁绪. 相变塑性对低温相变钢焊接接头残余应力计算精度的影响[J]. 焊接学报, 2014, 35(8): 9-12. Deng Dean, Murakawa H, Ma Ningxu. Influence of TRIP on calculated results of residual stress in a low temperature transformation steel joint[J]. Transactions of the China Welding Institution, 2014, 35(8): 9-12.
    [6] 刘晓占, 邓德安, 毕 涛, 等. 固态相变对P91钢激光对接接头残余应力的影响[J]. 焊接学报, 2015, 36(5): 41-43. Liu Xiaozhan, Deng Dean, Bi Tao, et al. Effect of solid-state phase transformation on welding residual stress in laser butt-welded P91 steel plates[J]. Transactions of the China Welding Institution, 2015, 36(5): 41-43.
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  • 收稿日期:  2016-11-08

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