| 疲劳特性的红外热像定量分析方法研究进展 |
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| 引用本文： | 樊俊铃,郭杏林,吴承伟.疲劳特性的红外热像定量分析方法研究进展[J].力学与实践,2012,34(6):7-17. |
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| 作者姓名： | 樊俊铃 郭杏林 吴承伟 |
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| 作者单位： | 大连理工大学工程力学系工业装备结构分析国家重点实验室, 辽宁大连116024 |
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| 基金项目： | 国家自然科学基金，国家“973计划” |
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| 摘 要： | 定量红外热像法, 作为一种无损、全场、实时、非接触的测试手段, 不仅能够用于对材料内部缺陷的无损检测, 而且能够对在役结构的疲劳损伤演化状态进行识别. 定量红外热像法还能够快速预测材料的疲劳极限和S-N (stress-number of cycles) 曲线, 实验周期短, 成本低. 文中较为系统地综述了定量红外热像法的发展现状及应用, 讨论了定量红外热像法应用过程中的几个重点问题. 最后总结展望了定量红外热像法的未来发展方向及应用前景.
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| 关 键 词： | 定量红外热像法 能量理论 热弹性应力分析 无损检测 疲劳性能 |
| 收稿时间： | 2012-04-28; |
FATIGUE CHARACTERISATION BASED ON QUANTITATIVE INFRARED THERMOGRAPHY |
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| FAN Junling,GUO Xinglin,WU Chengwei.FATIGUE CHARACTERISATION BASED ON QUANTITATIVE INFRARED THERMOGRAPHY[J].Mechanics and Engineering,2012,34(6):7-17. |
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| Authors: | FAN Junling GUO Xinglin WU Chengwei |
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| Institution: | State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Liaoning, Dalian 116024, China |
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| Abstract: | The quantitative infrared thermography, as a non-destructive, full-field, real-time and non-contact measurement technique, can not only be used to detect the internal defect of materials, but also can identify the fatigue damage evolution of structures in situ. Moreover, it can also be applied to rapidly predict the fatigue limit and the S-N (stress-number of cycles) curve of materials in a short test period with a low cost. This paper systematically reviews the current development and applications of the quantitative infrared thermography, and discusses some important problems in this research field. Finally, the future development and application of the quantitative infrared thermography are discussed. |
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| Keywords: | quantitative infrared thermography energy theory thermoelastic stress analysis non-destructivetesting fatigue property |
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