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Research on Constitutive Relation of Metals under High Strain Rate

机译：高应变率下金属本构关系研究

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The deformation behavior of materials under high strain rate environment is often accompanied by complex physical conditions such as high temperature, high pressure and shock waves. In order to describe the deformation behavior of materials accurately, the external extreme conditions and internal micro-deformation mechanisms of the material must be considered fully. The constitutive relationship of materials is related to the relationship between stress and strain, strain rate, temperature, deformation history, etc. Different constitutive models are based on different conditions and assumptions. This paper summarizes the microscopic deformation mechanisms, constitutive models and physical test methods of the deformation behavior of metals under high strain rate. These three aspects are interrelated and inseparable to explain the deformation behavior of metals at high strain rate.
机译：在高应变率环境下材料的变形行为通常伴随着复杂的物理条件，例如高温，高压和冲击波。为了准确地描述材料的变形行为，必须完全考虑外部极端条件和材料的内部微变形机制。材料的本构关系与应力和应变，应变率，温度，变形历史等的关系有关。不同的构成型模型基于不同的条件和假设。本文在高应变率下总结了金属变形行为的显微变形机制，本构模型和物理试验方法。这三个方面是相互关联的并且不可分割，以解释金属的变形行为在高应变率下。

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