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首页> 外文期刊>Journal of Materials Research >Effect of heat input, heat treatment on microstructure and mechanical properties of GTA welded aerospace material 15CDV6
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Effect of heat input, heat treatment on microstructure and mechanical properties of GTA welded aerospace material 15CDV6

机译：热输入，热处理对GTA焊接航空材料15CDV6的组织和力学性能的影响

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摘要

In the present study, the effect of heat treatment on microstructure and mechanical properties of gas tungsten arc (GTA) welded 15CDV6 high strength low alloy steel is discussed. Experiments were carried out based on Taguchi L9 orthogonal array to weld 15CDV6 plate of thickness 3.7 mm. The input parameters considered in this work were current, voltage, and welding speed. Tensile strength, microhardness, and impact strength were measured as performance characteristics. Post weld heat treatment was carried out on the weldments to study its effect on the properties of weldments and microstructures were characterized using optical microscope and the X-ray diffraction analysis revealed the presence of M0_2C and VC precipitates in the weld. Post weld heat treatment of the GTA welded samples and base metal successfully produced properties required for aerospace applications.
机译：在本研究中，讨论了热处理对15CDV6高强度低合金钢钨极氩弧焊（GTA）焊接组织和力学性能的影响。基于Taguchi L9正交阵列进行实验，以焊接厚度为3.7 mm的15CDV6板。在这项工作中考虑的输入参数是电流，电压和焊接速度。测量拉伸强度，显微硬度和冲击强度作为性能特征。对焊件进行焊后热处理以研究其对焊件性能的影响，并用光学显微镜表征其微观结构，X射线衍射分析表明焊缝中存在M0_2C和VC沉淀。 GTA焊接的样品和贱金属的焊后热处理成功地产生了航空航天应用所需的性能。

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  • 来源
    《Journal of Materials Research》 |2017年第7期|1361-1366|共6页
  • 作者

    L.Srinivasan; T.Deepan Bharathi Kannan; P. Sathiya; S.Biju;

  • 作者单位

    Department of Production Engineering, National Institute of Technology, Thiruchirapalli-620015, Tamilnadu, India;

    Department of Production Engineering, National Institute of Technology, Thiruchirapalli-620015, Tamilnadu, India;

    Department of Production Engineering, National Institute of Technology, Thiruchirapalli-620015, Tamilnadu, India;

    Vikram Sarabhai Space Centre, ISRO, Thiruvananthapuram 695022, Kerala, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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