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Microwave Nondestructive Evaluation of Thick Sandwich Composites

机译:厚夹心复合材料的微波无损评估

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摘要

Nondestructive testing (NDT) and evaluation of thick composite materials is essential in ensuring manufacturing quality and lifetime endurance. Many types of defects can occur in production and in use, weakening the structural integrity of composites. Impact fatigue can severely damage the fiber bundle structure of thick composites and subsequent layers of core below the area of impact, even though no damage is visible on the surface. Early detection of delaminations and dis-bond between composite layers is also important.
机译:厚复合材料的无损检测(NDT)和评估对于确保制造质量和使用寿命具有至关重要的意义。在生产和使用中会发生许多类型的缺陷,从而削弱了复合材料的结构完整性。冲击疲劳会严重破坏厚复合材料的纤维束结构和冲击区域以下的后续纤芯层,即使在表面上看不到损坏。早期发现复合层之间的分层和脱胶也很重要。

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