10Ni8CrMoV钢焊接模拟热影响区的组织与性能

杜义, 杨澍, 成应晋, 蒋颖

杜义, 杨澍, 成应晋, 蒋颖. 10Ni8CrMoV钢焊接模拟热影响区的组织与性能[J]. 材料开发与应用, 2016, 31(5): 19-25. DOI: 10.19515/j.cnki.1003-1545.2016.05.005
引用本文: 杜义, 杨澍, 成应晋, 蒋颖. 10Ni8CrMoV钢焊接模拟热影响区的组织与性能[J]. 材料开发与应用, 2016, 31(5): 19-25. DOI: 10.19515/j.cnki.1003-1545.2016.05.005
DU Yi, YANG Shu, CHENG Yingjin, JIANG Ying. Microstructures and Mechanical Properties of HAZ of Weld Thermal Simulation for 10Ni8CrMoV Steel[J]. Development and Application of Materials, 2016, 31(5): 19-25. DOI: 10.19515/j.cnki.1003-1545.2016.05.005
Citation: DU Yi, YANG Shu, CHENG Yingjin, JIANG Ying. Microstructures and Mechanical Properties of HAZ of Weld Thermal Simulation for 10Ni8CrMoV Steel[J]. Development and Application of Materials, 2016, 31(5): 19-25. DOI: 10.19515/j.cnki.1003-1545.2016.05.005

10Ni8CrMoV钢焊接模拟热影响区的组织与性能

详细信息
    作者简介:

    杜义,男,1980年生,高级工程师,主要从事船体结构钢用焊接材料及工艺研究;E-mail:duyi@725.com.cn。

  • 中图分类号: TG113.1

Microstructures and Mechanical Properties of HAZ of Weld Thermal Simulation for 10Ni8CrMoV Steel

  • 摘要: 采用焊接热模拟试验方法,模拟980 MPa级10Ni8CrMoV高强钢焊接接头热影响区的不同区域,通过对不同线能量条件下不同区域的拉伸、冲击试验及各个区域的组织分析,研究了该钢模拟热影响区的组织和性能。结果表明,该钢模拟热影响区粗晶区强度、塑性较基体显著降低;各区域低温冲击韧性随线能量的增大变化不明显,临界区韧性最低、为焊接接头的薄弱区域,粗晶区存在较多连续分布的奥氏体薄膜,是粗晶区低温冲击韧性较高的主要原因。
    Abstract: Microstructures and mechanical properties of HAZ of 10Ni8CrMoV of 980 MPa high strength steel were studied. The different regions of HAZ were simulated by weld thermal simulation technique. Microstructure observation,phase analysis,and corresponding tensile and impact tests for different regions in HAZ were made. The results indicated that the yield strength and plasticity were significantly reduced in the coarse grain zone; impact toughness of different regions in HAZ had no obvious change with the changing of the heat inputs; critical zone of HAZ had the worst impact toughness and was the weakest part of the HAZ; the main reason for higher impact toughness of coarse grain zone was that more austenite films was continuously distributed in this area.
  • 期刊类型引用(1)

    1. 王光磊,李恒坤,田勇,王斌,汪晶洁,陈林恒. 船用高止裂韧度特厚钢板EH47BCA工业研发. 现代交通与冶金材料. 2024(06): 61-67 . 百度学术

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出版历程
  • 收稿日期:  2016-04-06
  • 网络出版日期:  2024-03-29

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