...在线—构件表面裂纹损伤电位检测法 关键词：裂纹损伤检测; 电位法; 表面覆盖技术 [gap=676]Key words：crack damage detection; electric potential method; surface coating technology ...
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本文研究了含裂纹小损伤复合材料容器结构的在线初期损伤检测。
Online damage detection of initial and tiny crack in a cylindrical composite vessel is studied in this paper.
确定维修检测中可检裂纹的尺寸是制定维修大纲的需要，同时也是损伤容限耐久性分析所必须的重要依据。
Determination of detectable flaw size is the requirement for establishing maintenance plan, and it is an important basis for analyzing the damage tolerance and durability.
将小波变化得到的动力响应的能量谱作为损伤检测的特征量，具有很好的灵敏度，能检测到复合材料容器中非常细小的裂纹。
The energy spectrum variations as the damage dynamics feature have good sensitivity. Therefore it can detect very tiny cracks in cylindrical composite vessel.
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