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任意加载模式下含裂纹超弹性体的能量释放率

张作启 刘彬

张作启, 刘彬. 任意加载模式下含裂纹超弹性体的能量释放率[J]. 力学学报, 2013, 45(1): 129-133. doi: 10.6052/0459-1879-12-137
引用本文: 张作启, 刘彬. 任意加载模式下含裂纹超弹性体的能量释放率[J]. 力学学报, 2013, 45(1): 129-133. doi: 10.6052/0459-1879-12-137
Zhang Zuoqi, Liu Bin. THE ENERGY RELEASE RATE OF CRACKED HYPERELASTIC BODY UNDER ARBITRARY LOADINGS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(1): 129-133. doi: 10.6052/0459-1879-12-137
Citation: Zhang Zuoqi, Liu Bin. THE ENERGY RELEASE RATE OF CRACKED HYPERELASTIC BODY UNDER ARBITRARY LOADINGS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(1): 129-133. doi: 10.6052/0459-1879-12-137

任意加载模式下含裂纹超弹性体的能量释放率

doi: 10.6052/0459-1879-12-137
基金项目: 国家自然科学基金资助项目(51232004, 90816006, 11090334).
详细信息
    通讯作者:

    刘彬

  • 中图分类号: O346.1

THE ENERGY RELEASE RATE OF CRACKED HYPERELASTIC BODY UNDER ARBITRARY LOADINGS

Funds: The project was supported by the National Natural Science Foundation of China (51232004, 90816006, 11090334).
  • 摘要: 能量释放率是表征断裂性能的一个重要指标, 在经典的断裂力学中, 只给出在恒力或恒位移加载情形下通过柔度标定来确定材料能量释放率的公式, 而且仅限于线弹性材料. 但是近年来生物材料和高分子材料(如橡胶) 等超弹性材料的断裂韧性和增韧机理越来越受到研究人员的关注, 该文旨在导出一个更加通用的柔度标定公式, 从而可以确定非线性弹性材料在任意加载模式下的能量释放率, 并能判断裂纹扩展的稳定性. 在推导的过程中, 对一些重要而容易被错误理解的概念做了进一步论述.

     

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出版历程
  • 收稿日期:  2012-05-11
  • 修回日期:  2013-01-06
  • 刊出日期:  2013-01-18

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