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针对复合材料构件R区的超声检测问题,开展超声相控阵检测实验研究.分析R区的检测难点,利用超声相控阵检测技术的优势,分别提出了基于相控阵弧阵换能器和线阵换能器的两种检测方法;对复合材料L型试样的R区进行超声相控阵检测实验,验证了两种检测方法的正确性;并与常规超声检测方法进行对比,分析了超声相控阵技术检测R区的技术优势.研究结果表明:超声相控阵检测技术具有适用性强、检测效率高等优势,可以满足复合材料构件R区的检测要求.
In order to solve the problem of ultrasonic testing of the R zone of composite material, an experimental study on the ultrasonic phased array is carried out.The difficulties of detection in the R zone are analyzed and the advantages of the ultrasonic phased array detection technology are analyzed respectively. Line array transducer two kinds of detection methods; composite L-shaped samples of the R-phase ultrasonic phased array test to verify the correctness of the two detection methods; and conventional ultrasonic testing methods were compared, analyzed Ultrasonic phased array technology to detect the technical advantages of R zone.The results show that: Ultrasonic phased array detection technology has the advantages of strong applicability, high detection efficiency, and can meet the detection requirements of the R zone of composite materials.