| 小尺寸固体变形中的表面效应 |
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| 引用本文： | 何陵辉. 小尺寸固体变形中的表面效应[J]. 中国科学技术大学学报, 2007, 37(10): 1164-1171 |
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| 作者姓名： | 何陵辉 |
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| 作者单位： | 中国科学技术大学近代力学系,中国科学院材料力学行为和设计重点实验室,安徽合肥,230027 |
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| 基金项目： | 国家自然科学基金;安徽省自然科学基金 |
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| 摘 要： | 固体的表面性质不同于内部.这种差异的影响对于大尺寸固体的变形可以忽略,而对于纳米尺度的小尺寸固体则相当显著.我们综述了近年来关于小尺寸变形固体表面效应研究的若干进展,特别是表面应力导致的弹性变形的尺度相关性.
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| 关 键 词： | 表面应力 小尺寸固体和结构 弹性响应 尺度相关性 |
| 文章编号： | 0253-2778（2007）10-1164-08 |
| 修稿时间： | 2007-06-26 |
Surface effect in the deformation of small scale solids |
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| HE Ling-hui. Surface effect in the deformation of small scale solids[J]. Journal of University of Science and Technology of China, 2007, 37(10): 1164-1171 |
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| Authors: | HE Ling-hui |
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| Affiliation: | Department of Modern Mechanics, CAS Key Laboratory for Mechanical Behavior and Design of Materials , USTC, He f ei 230027, China |
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| Abstract: | The surface property of a solid differs from that of its interior.The effect of such a difference can be neglected for large scale solids,but is quite significant for small solids with nano-scale dimensions.Some recent advances in the study on surface effect in deformable solids of small size were summarized,with special attention paid to the size-dependence of elastic deformation induced by surface stress. |
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| Keywords: | surface stress small scale solid and structure elastic response size-dependence |
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