[1]琚宏昌,陈国荣,夏晓舟..颗粒复合材料界面损伤演化模型的研究[J].郑州大学学报(工学版),2008,29(01):74-78.
　Ju Hongchang,Leslie Chan,Xia Xiaozhou.Study on the interfacial damage evolution model of granular composites[J].Journal of Zhengzhou University (Engineering Science),2008,29(01):74-78.
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颗粒复合材料界面损伤演化模型的研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29卷
期数:
2008年01期
页码:
74-78
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Study on the interfacial damage evolution model of granular composites
作者:
琚宏昌; 陈国荣; 夏晓舟.
河海大学,工程力学系,江苏,南京,210098, 河海大学,工程力学系,江苏,南京,210098, 河海大学,工程力学系,江苏,南京,210098
Author(s):
Ju Hongchang; Leslie Chan; Xia Xiaozhou
关键词:
颗粒;  复合材料;  界面:损伤;  微观力学;  弹性模量
Keywords:
文献标志码:
A
摘要:
为了预测存在界面脱胶的颗粒增强复合材料有效弹性性质,采用Eshelby微观力学理论及Dvorak转化场分析(TFA),建立了带有缺陷界面的球形颗粒复合材料模型,给出了三相颗粒复合材料的有效切线模量和总割线模量.基于威布尔概率函数,建立了用于描述颗粒和基体间弱化界面演化的损伤模型.利用文献实验数据的校验,选取了合理的模型参数,并将数值试验结果与实验结果进行了对比,证明微观力学弹性损伤模型的合理性.
Abstract:
In order to predict the effective elastic properties of granular reinforced composites with interfacial debonding, a spherical particle composite model with defective interface was established by Eshelby micromechanical theory and Dvorak transformation field analysis (TFA), and the effective tangential modulus and total secant modulus of three-phase granular composites were given. Based on the Weibull probability function, a damage model is established to describe the evolution of the weakened interface between particles and substrates. Using the verification of literature experimental data, reasonable model parameters were selected, and the numerical test results were compared with the experimental results to prove the rationality of the micromechanical elastic damage model.

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更新日期/Last Update: 1900-01-01