| 液固两相区变形行为的研究及其本构方程的建立 |
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| 引用本文： | 苗雨川,邸洪双,张晓明,王国栋,刘相华.液固两相区变形行为的研究及其本构方程的建立[J].东北大学学报(自然科学版),2000,21(3):278-281. |
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| 作者姓名： | 苗雨川 邸洪双 张晓明 王国栋 刘相华 |
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| 作者单位： | 东北大学轧制技术及连轧自动化国家重点实验室!辽宁沈阳110006;东北大学轧制技术及连轧自动化国家重点实验室!辽宁沈阳110006;东北大学轧制技术及连轧自动化国家重点实验室!辽宁沈阳110006;东北大学轧制技术及连轧自动化国家重点实验室!辽宁沈阳110006;东北大学轧制技术及连轧? |
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| 基金项目： | 国家自然科学基金资助项目! (5999544 0 ) |
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| 摘 要： | 基于两相区微观组织的结构及其力学行为的基础上,研究了影响两相区变形行为的主要因素·首次将固相率的影响加入到本构方程中,并将塑性应变与蠕变应变统一考虑,建立了适合于两相区变形的本构方程·同时包括了凝固过程中相变的影响项,此本构方程为以后模拟两相区的变形打下了基础
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| 关 键 词： | 两相区 本构方程 固相率 |
| 修稿时间： | : |
Deformation Behavior of Mushy Zone and Establishment of Contitutive Equation |
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| MIAO Yu-chuan,DI Hong-shuang,ZHANG Xiao-ming,WANG Guo-dong,LIU Xiang-hua.Deformation Behavior of Mushy Zone and Establishment of Contitutive Equation[J].Journal of Northeastern University(Natural Science),2000,21(3):278-281. |
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| Authors: | MIAO Yu-chuan DI Hong-shuang ZHANG Xiao-ming WANG Guo-dong LIU Xiang-hua |
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| Abstract: | Based on the microstructure and the mechanical behavior of the mushy zone, the factors which affect the mechanical behavior of mushy zones were studied. The influence of the volume fraction of solid phase was firstly introduced into the constitutive equation. The plastic strain and the creep strain were also uniformly considered. The final equation is presented which was discussed being suitable to describe the behavior of the mushy zone. The equation includes the influence of phase transformation. |
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| Keywords: | mushy zone constitutive equation volume fraction of solid phase |
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