ULTRASONIC TESTING METHOD FOR EDGE BONDING OF COMPOSITE BLADE

Abstract

Abstract: The new type aero engine fan blade adopts the structure of the composite edge bonding with thin metal skin. According to the material and structure characteristic of blade edge, we analyzed the applicability of the ultrasonic penetration method and the ultrasonic reflection method to test blade edge bonding quality, and proposed the method of combining ultrasonic C-scan penetration and high resolution ultrasonic A-scan reflection. The results show that the proposed method can test all the Ⅰ and Ⅱ interface artificial debonding defects of 5 mm×5 mm, and can effectively test the debonding defects in the actual products.

Key words: composite, blade edge, debonding, ultrasonic, test

CLC Number:

TB332

GAO Xiao-jin, ZHOU Jin-shuai. ULTRASONIC TESTING METHOD FOR EDGE BONDING OF COMPOSITE BLADE[J]. Fiber Reinforced Plastics/Composites, 2018, 0(8): 102-105.

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ULTRASONIC TESTING METHOD FOR EDGE BONDING OF COMPOSITE BLADE

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