| 疲劳裂纹扩展高分辨率CT分析新进展 |
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| 引用本文： | 敖波,张小海,李春阳,邓翠贞.疲劳裂纹扩展高分辨率CT分析新进展[J].CT理论与应用研究,2010,19(2):35-41. |
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| 作者姓名： | 敖波 张小海 李春阳 邓翠贞 |
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| 作者单位： | 1. 南昌航空大学无损检测技术教育部重点实验室,南昌,330063
2. 中国航空工业集团公司西安飞行自动控制研究所,西安,710065 |
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| 基金项目： | 航空科学基金，南昌航空大学博士启动基金 |
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| 摘 要： | 材料疲劳破坏的本质是疲劳裂纹的萌生和扩展,采用高分辨率CT研究疲劳裂纹是当前国际上的研究热点。本文首先总结了高分辨率CT设备的发展现状,指出国内也具备了开展相关研究的设备条件。其次总结分析了高分辨率CT在疲劳裂纹扩展中的应用及国内外研究现状。最后对高分辨率CT在疲劳裂纹中的应用发展趋势进行了展望。
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| 关 键 词： | 高分辨率CT 裂纹扩展 CT尺度 密度场 |
New Development of Fatigue Crack Propagation Analysis by High Resolution Computed Tomography |
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| AO Bo,ZHANG Xiao-hai,LI Chun-yang,DENG Cui-zhen.New Development of Fatigue Crack Propagation Analysis by High Resolution Computed Tomography[J].Computerized Tomography Theory and Applications,2010,19(2):35-41. |
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| Authors: | AO Bo ZHANG Xiao-hai LI Chun-yang DENG Cui-zhen |
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| Institution: | AO Bo1,ZHANG Xiao-hai1,LI Chun-yang2,DENG Cui-zhen1 1. Key Laboratory of Nondestructive Testing (Ministry of Education),Nanchang Hangkong University,Nanchang 330063,China 2. Flight Automatic Control Research Institute,Aviation Industry Corporation of China,Xian 710065,China |
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| Abstract: | The essence of fatigue is short crack initiation and propagation, research of fatigue crack by high resolution Computed Tomography (CT) is a research focus in the area of fatigue. In this paper, firstly, the research development of high resolution CT is summarized, and indicates that research of crack is possible in china. Secondly, recent research situation at home and abroad of fatigue crack propagation by high resolution CT are summarized. Lastly, the development directions in the future of CT are pointe... |
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| Keywords: | high resolution computed tomography crack propagation CT scale density field |
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