THE PROGRESS IN DEFORMATION MECHANICS OF ALLOY WITH TWO DUCTILE PHASES
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摘要:本文评述了工业生产中广泛应用的延性二相合金变形力学的研究进展。介绍丁描述复合材料强度的混合物定律在描述双相钢的力学性能中的发展和应用;讨论了以等应变为基础的Mjleiko理论;并讨论了以应变分配为基础的连续介质模型和应力分配模型,以位错理论为基础的微观力学模型,以及用连续介质模型的物理意义说明的综合变形模型的建立和它们的特点;列举了双相钢流变曲线的有限元分析方法的数值模拟解,以及各模型的预测值和实测值的对比,概述了各个理论在描述双相钢变形力学特性中的适用性,以及各个理论在改进双相钢性能的合金设计和组织优化中的意义和指导作用.Abstract:The progress in deformation mechanics of alloy with two ductile phases widely used in the industrial production is reviewed in the paper. Developments and applications of mixture law describing strength of fibre composite materials in the dual phase steels are introduced, Mileiko's theory based on assuming equal strain in both phases, model for stress-distribution in both phases, continuum model based on assuming strain-distribution in both phases and micfo-mechanics model based dislocation theory as well a...
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