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首页> 外文会议>Thermosense: thermal infrared applications XXXVI >Thermal inspection of composite honeycomb structures
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Thermal inspection of composite honeycomb structures

机译：复合蜂窝结构的热检查

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摘要

Composite honeycomb structures continue to be widely used in aerospace applications due to their low weight and high strength advantages. Developing nondestructive evaluation (NDE) inspection methods are essential for their safe performance. Pulsed thermography is a commonly used technique for composite honeycomb structure inspections due to its large area and rapid inspection capability. Pulsed thermography is shown to be sensitive for detection of face sheet impact damage and face sheet to core disbond. Data processing techniques, using principal component analysis to improve the defect contrast, are presented. In addition, limitations to the thermal detection of the core are investigated. Other NDE techniques, such as computed tomography X-ray and ultrasound, are used for comparison to the thermography results.
机译：复合蜂窝结构由于其低重量和高强度的优势而继续广泛地用于航空航天应用。开发无损评估（NDE）检查方法对于其安全性能至关重要。脉冲热成像技术由于其大面积和快速的检查能力而成为复合蜂窝结构检查的常用技术。脉冲热成像技术显示出对检测面板冲击损伤和面板与芯层剥离的敏感度。提出了使用主成分分析来改善缺陷对比度的数据处理技术。另外，研究了对铁心的热检测的限制。其他NDE技术（例如计算机断层扫描X射线和超声检查）用于与热成像结果进行比较。

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