| 多孔材料的力学模型和粘弹性性能研究 |
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| 引用本文： | 龚兰云,高永毅,张厚安.多孔材料的力学模型和粘弹性性能研究[J].湖南科技大学学报(自然科学版),2010,25(1). |
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| 作者姓名： | 龚兰云 高永毅 张厚安 |
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| 作者单位： | 1. 湖南科技大学,先进材料制备与应用研究所,湖南湘潭411201
2. 厦门理工学院,机械工程系,福建,厦门361024 |
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| 基金项目： | 国家自然科学基金资助项目，湖南省科技计划项目，湖南省教育厅重点项目 |
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| 摘 要： | 建立了多孔铜-铝-氧化铝复合材料力学模型.利用粘弹性理论和有限元分析方法,得到了多孔铜-铝-氧化铝复合材料的切变模量本构方程;得出了铜-铝-氧化铝复合多孔材料的压力与位移的关系、受力面的支反力与加载时间的关系是非线性关系,多孔铜-铝-氧化铝复合材料是粘弹性材料的结论;获得了铜-铝-氧化铝复合多孔材料的弹性模量为533.89MPa的结果.
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| 关 键 词： | 多孔材料力学模型 粘弹性 本构方程 数值分析 |
Mechanical model and visco-elastic properties research for porous materials |
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| GONG Lan-yun,GAO Yong-yi,ZHANG Hou-an.Mechanical model and visco-elastic properties research for porous materials[J].Journal of Hunan University of Science & Technology(Natural Science Editon),2010,25(1). |
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| Authors: | GONG Lan-yun GAO Yong-yi ZHANG Hou-an |
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| Institution: | GONG Lan-yun1,GAO Yong-yi1,ZHANG Hou-an2 (1. Advanced Materials Synthesis , Applied Technology Laboratory,Hunan University of Science , Technology,Xiangtan 411201,China,2. Department of Mechanical Engineering,Xiamen University of Technology,Xiamen 361024,China) |
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| Abstract: | Porous Cu-Al-Al2O3 composite mechanics model was established and porous Cu-Al-Al2O3 composite shear modulus constitutive equation was obtained by means of Visco-elastic theory and finite element analysis method.The relationship between stress and displacement of porous Cu-Al-Al2O3 composite was attained,and the relationship between support reaction at force surface and load time is non-linear relationship,and porous Cu-Al-Al2O3 composite is viscoelastic material.Access to a result of Cu-Al-Al2O3 composite e... |
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| Keywords: | mechanical model of porous materials viscoelasticity constitutive equation numerical analysis |
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