| TEST AND CHARACTERIZATION FOR THE INCOMPRESSIBLE HYPERELASTIC PROPERTIES OF CONDITIONED RUBBERS UNDER MODERATE FINITE DEFORMATION |
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| 作者姓名： | XiaYong LiWei XiaYuanming |
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| 作者单位： | Key Laboratory of Mechanical Behavior and Design of Materials，University of Science and Technology of China，Chinese Academy of Sciences，Hefei 230027，China |
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| 摘 要： | In this paper, the automated grid method is applied to test for the mechanical properties of conditioned rubbers under the moderate ?nite deformation (not exceeding 100%). More accurate stress-strain curves of conditioned rubber specimens unde…
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| 关 键 词： | 调湿橡胶 适度有限形变 修正八链模型 力学性质 |
| 收稿时间： | 26 August 2003 |
Test And Characterization for The Incompressible Hyperelastic Properties of Conditioned Rubbers under Moderate Finite Deformation |
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| XiaYong LiWei XiaYuanming.TEST AND CHARACTERIZATION FOR THE INCOMPRESSIBLE HYPERELASTIC PROPERTIES OF CONDITIONED RUBBERS UNDER MODERATE FINITE DEFORMATION[J].Acta Mechanica Solida Sinica,2004,17(4):307-314. |
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| Authors: | Xia Yong Li Wei and Xia Yuanming |
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| Institution: | (1) Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Chinese Academy of Sciences, 230027 Hefei, China |
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| Abstract: | In this paper, the automated grid method is applied to test for the mechanical properties of conditioned rubbers under the moderate ?nite deformation (not exceeding 100%). More accurate stress-strain curves of conditioned rubber specimens under di?erent conditioned strains are obtained. Test results show di?erences between these curves. Based on an analysis of the classical constitutive models, a new modi?ed eight-chain model is proposed, which takes account of both the locking stretch of chains and the interaction e?ect in the network. Fitting test data shows that the modi?ed model well characterizes the incompressible hyperelastic mechanical behavior of conditioned rubbers under the moderate ?nite deformation as well as under the large deformation. |
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| Keywords: | conditioned rubber moderate fnite deformation modifed eight-chain model |
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