| 液晶高弹体的光致变形与弯曲行为研究 |
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| 引用本文： | 姜馨,张田,霍永忠.液晶高弹体的光致变形与弯曲行为研究[J].上海力学,2005,26(4):647-649. |
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| 作者姓名： | 姜馨 张田 霍永忠 |
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| 作者单位： | 复旦大学力学与工程科学系,上海200433 |
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| 基金项目： | 国家自然科学基金（10372023）,上海市基础研究重点项目（04JC14034） |
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| 摘 要： | 本文研究了一类光敏液晶高弹体在紫外光照射下的变形和弯曲行为。在分析了近年发现的光敏液晶高弹体中光致变形的机理和规律的基础上，给出了该材料一维变形本构关系，研究其变形行为，进而利用铁木辛科双金属片弯曲的思想建立了梁的光致弯曲模型。
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| 关 键 词： | 液晶高弹体 光-力效应 双金属片模型 |
| 文章编号： | 0254-0053（2005）04-647-3 |
| 收稿时间： | 2005-04-30 |
| 修稿时间： | 2005年4月30日 |
Light Induced Deformation and Bending in Liquid Crystal Elastomers |
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| JIANG Xin, ZHANG Tian, HUO Yong-zhong.Light Induced Deformation and Bending in Liquid Crystal Elastomers[J].Chinese Quarterly Mechanics,2005,26(4):647-649. |
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| Authors: | JIANG Xin ZHANG Tian HUO Yong-zhong |
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| Institution: | Department of Mechanics and Engineering Science, Fudan University, Shanghai 200433 |
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| Abstract: | UV light induced deformation and bending in certain type of photochromic liquid crystal elastomers were studied. The mechanism and the governing equations were analyzed firstly for the photomechanical effect in newly discovered photochromic liquid crystal elastomers. Constitutive equation was then introduced for one dimensional loading condition to study the deformation behavior. Light induced bending was modeled following the idea of Timonshenko bimetal model. |
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| Keywords: | liquid crystal elastomer photomechanical effect bimetal model |
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