Deposited water defect damage detection method and system for inner part of composite material based on microwave excitation
A composite material and damage detection technology, which is applied in the direction of using microwave flaw detection, material analysis, and material analysis through optical means, can solve problems such as difficult detection of water droplets, infrared anomalies, and potential safety hazards, and achieve good detection results, clear relationships, and Energy Saving Effect
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[0019] The present invention will be further explained below in conjunction with the drawings.
[0020] Such as figure 1 As shown, during the working process of the composite material component, the outer layer of the composite material may be damaged, cracks, debonded, and debonded under the action of external factors (such as complex stress, high and low temperature, impact load, scratches from hard objects, etc.) Small holes and other defects, moist air carries more water vapor from such defects into honeycomb, interlayer, sandwich and other structures. After temperature and air pressure change, the water vapor condenses into liquid water, which is difficult to discharge. After a long time accumulation, the stagnant water will have an important impact on the performance of the composite material and reduce the reliability of the structure. In particular, in important structures such as composite radomes, the accumulation of water in honeycombs will severely affect the propagat...
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