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    张昭

    • 教授     博士生导师   硕士生导师
    • 主要任职:Professor in Process Mechanics
    • 性别:男
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:工程力学系
    • 学科:制造工艺力学. 工程力学. 计算力学
    • 办公地点:综合实验1号楼619
    • 联系方式:0411-84708432
    • 电子邮箱:zhangz@dlut.edu.cn

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    Modeling of thermal stresses in low alloy steels

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    论文类型:期刊论文

    第一作者:Lindgren, Lars-Erik

    通讯作者:Lindgren, LE (reprint author), Lulea Univ Technol, S-97187 Lulea, Sweden.

    合写作者:Edberg, Jonas,Akerstrom, Paul,Zhang, Zhao

    发表时间:2019-06-03

    发表刊物:JOURNAL OF THERMAL STRESSES

    收录刊物:EI、SCIE

    卷号:42

    期号:6,SI

    页面范围:725-743

    ISSN号:0149-5739

    关键字:Elastic properties; heat capacity; heat conductivity; thermal expansion; thermal stresses

    摘要:Computing the evolution of thermal stresses accurately requires appropriate constitutive relations. This includes both the thermal and mechanical aspects, as temperature is the driver to thermal stresses. The paradigm of Integrated Computational Materials Engineering (ICME) aims at being able to quantitatively relate process-structure-property of a material. The article describes physics based models, denoted bridging elements, which are one step towards the vision of ICME. They couple material structure with heat capacity, heat conductivity, thermal and transformation strains and elastic properties for hypo-eutectoid steels. The models can account for the chemical composition of the steel and its processing, i.e. thermomechanical history, giving the evolution of the microstructure and the corresponding properties.