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    Nondestructive inspection of carbon fiber reinforced plastic (CFRP) laminates using ultrasonic guided wave

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    碳纤维增强复合材料因其优良的物理性质,在现代工业,尤其是航空及船舶工业中得到了广泛的应用。该材料具有密度小、高比强、高比模、抗腐蚀、热膨胀系数小等一系列优点,被广泛用于制造飞机机身、机翼、发动机舱等结构。多层碳纤维增强复合板在生产或者使用过程中,可能会出现开裂,脱层和脱粘等现象,若不及时地检测出这些缺陷,将可能导致严重后果。目前,对多层碳纤维增强复合材料的检测方法主要有目视检查法、经典C扫描法,非线性超声法,光栅检测法,射线成像法等。 超声导波无损检测法近年来越来越受到重视。该方法可以同时对一片区域进行检测,因此效率高且实施代价低。但是,与各向同性板中导波传播相比,碳纤维增强复合板中导波传播...Carbon fiber reinforced plastic (CFRP) laminates are widely utilized in modern aircraft and ship industries due to their excellent physical properties. They have the advantages of low density, high strength rate, high modulus rate, corrosion resistance, low coefficient of thermal expansion. Therefore, they are often used to manufacture the fuselage, wing and nacelle of an airplane. Note that the d...学位:理学硕士院系专业:海洋与地球学院_海洋物理学号:2232014115138
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