New strain gradient theory and analysis

Dake Yi; Tzu Chiang Wang; Shaohua Chen

doi:10.1016/S0894-9166(09)60089-6

New strain gradient theory and analysis

Dake Yi, Tzu Chiang Wang^*, Shaohua Chen

^*此作品的通讯作者

CAS - Institute of Mechanics

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6 引用（Scopus）

摘要

A new strain gradient theory which is based on energy nonlocal model is proposed in this paper, and the theory is applied to investigate the size effects in thin metallic wire torsion, ultra-thin beam bending and micro-indentation of polycrystalline copper. First, an energy nonlocal model is suggested. Second, based on the model, a new strain gradient theory is derived. Third, the new theory is applied to analyze three representative experiments.

源语言	英语
页（从-至）	45-52
页数	8
期刊	Acta Mechanica Solida Sinica
卷	22
期	1
DOI	https://doi.org/10.1016/S0894-9166(09)60089-6
出版状态	已出版 - 2月 2009
已对外发布	是

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Yi, D., Wang, T. C., & Chen, S. (2009). New strain gradient theory and analysis. Acta Mechanica Solida Sinica, 22(1), 45-52. https://doi.org/10.1016/S0894-9166(09)60089-6

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abstract = "A new strain gradient theory which is based on energy nonlocal model is proposed in this paper, and the theory is applied to investigate the size effects in thin metallic wire torsion, ultra-thin beam bending and micro-indentation of polycrystalline copper. First, an energy nonlocal model is suggested. Second, based on the model, a new strain gradient theory is derived. Third, the new theory is applied to analyze three representative experiments.",

keywords = "micro-indentation, non-local model, size effect, strain gradient theory",

author = "Dake Yi and Wang, {Tzu Chiang} and Shaohua Chen",

year = "2009",

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T1 - New strain gradient theory and analysis

AU - Yi, Dake

AU - Wang, Tzu Chiang

AU - Chen, Shaohua

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AB - A new strain gradient theory which is based on energy nonlocal model is proposed in this paper, and the theory is applied to investigate the size effects in thin metallic wire torsion, ultra-thin beam bending and micro-indentation of polycrystalline copper. First, an energy nonlocal model is suggested. Second, based on the model, a new strain gradient theory is derived. Third, the new theory is applied to analyze three representative experiments.

KW - micro-indentation

KW - non-local model

KW - size effect

KW - strain gradient theory

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New strain gradient theory and analysis

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