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首页> 外文会议>Characterization of minerals, metals, and materials 2014 >EFFECTS OF HEAT TREATMENT ON TRANSVERSE AND LONGITUDINAL MECHANICAL PROPERTIES OF ENGINEERING MACHINERY STEEL WQ960
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EFFECTS OF HEAT TREATMENT ON TRANSVERSE AND LONGITUDINAL MECHANICAL PROPERTIES OF ENGINEERING MACHINERY STEEL WQ960

机译：热处理对工程机械WQ960的横向和纵向力学性能的影响

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摘要

In this study, the mechanical properties and microstructures of transverse and longitudinal specimens of engineering machinery steel WQ960 after being quenched and tempered at different temperatures have been evaluated. The morphologies of the tensile and impact fractures were observed by using SEM. The equilibrium precipitation of main precipitates as well as solution behaviors of micro-alloying elements in austenite was calculated based on Thermo-Calc thermodynamic software. Quenching temperatures were chosen according to the A_(c3) temperature measured by using a DIL805A dilatometer while tempering temperatures were chosen based on the computed results by Thermo-Calc thermodynamic software. The results showed both the quenching and tempering temperatures have significant influence on the strength and toughness. The optimal heat treatment process parameters for the experimental steel were as follows: soaking at 860℃ for 30min, then water quenching and tempering at 590℃ for 65min and then air-cooling.
机译：在这项研究中，评估了工程机械钢WQ960在不同温度下进行淬火和回火后的横向和纵向试样的力学性能和显微组织。用SEM观察了拉伸断裂和冲击断裂的形貌。基于Thermo-Calc热力学软件，计算了主要析出物的平衡析出以及奥氏体中微合金元素的固溶行为。根据使用DIL805A膨胀计测得的A_（c3）温度选择淬火温度，而根据Thermo-Calc热力学软件的计算结果选择回火温度。结果表明，淬火和回火温度对强度和韧性都有重要影响。实验钢的最佳热处理工艺参数为：在860℃保温30min，然后在590℃水淬和回火65min，然后空冷。

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  • 会议地点 San Diego CA(US)
  • 作者

    Sufen Tao; Fuming Wang; Guilin Sun; Changrong Li; Qing Yan;

  • 作者单位

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China,School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China,School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China,School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China;

    School of Materials Science and Engineering , University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China,School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Xueyuan Road 30, Haidian District, Beijing 100083, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    engineering machinery steel; heat treatment; Thermo-Calc; mechanical properties;

    机译：工程机械用钢；热处理; Thermo-Calc;机械性能;

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