空气耦合超声技术在航空航天复合材料无损检测中的应用
Application of Air-Coupled Ultrasonic Technology for Nondestructive Testing of Aerospace Composites
摘 要
制备预埋人工缺陷的蜂窝夹芯复合材料、模压复合材料和陶瓷基复合材料试样, 利用自主研制的内置专用信号处理单元的空气耦合超声无损检测系统进行试验, 实现GFRP蒙皮Nomex蜂窝夹芯复合材料模拟脱粘缺陷检测、模压复合材料模拟内部分层缺陷检测以及C/SiC复合材料模拟内部分层缺陷检测。试验结果表明, 空气耦合超声无损检测技术可应用于蜂窝夹芯复合材料、模压复合材料以及陶瓷基复合材料构件的非接触无损检测, 在航空航天工程领域应用前景广阔。
无损检测
复合材料
航空航天
Air-coupled ultrasonic
Nondestructive testing
Composite
Aerospace
Abstract
Various kinds of composite materials with simulated defects are prepared as specimen, including the GFRP-Nomex honeycomb sandwich composites, molded composites, and ceramic matrix composites. An air-coupled ultrasonic testing system with dedicated signal processing unit is self-developed and the corresponding experiments are conducted based on the system. The nondestructive testing of the composite specimens with simulated defects are realized, including the detection of disbonding in GFRP-Nomex honeycomb sandwich composites, the testing of delamination in molded composite structures, and the detection of delamination in C/SiC composites. The results prove that the air-coupled ultrasonic testing technology is applicable for the noncontact testing of honeycomb sandwich composites, molded composites, and ceramic matrix composites. It has a wide range of applications in aerospace industry.
中图分类号 TB553 TG115.28 DOI 10.11973/wsjc201608002
所属栏目 科研成果与学术交流
基金项目 中国航天科技集团公司航天科技创新基金资助项目(CASC06)
收稿日期 2016/3/31
修改稿日期
网络出版日期
作者单位点击查看
备注危 荃(1984-),女, 硕士, 高级工程师, 主要研究方向为无损检测新技术
引用该论文: WEI Quan,JIN Cui-e,ZHOU Jian-ping,ZHOU Zheng-gan,SUN Guang-kai. Application of Air-Coupled Ultrasonic Technology for Nondestructive Testing of Aerospace Composites[J]. Nondestructive Testing, 2016, 38(8): 6～11
危 荃,金翠娥,周建平,周正干,孙广开. 空气耦合超声技术在航空航天复合材料无损检测中的应用[J]. 无损检测, 2016, 38(8): 6～11
被引情况:
【1】刘松平,刘菲菲,傅天航,周德武, "复合材料结构中R区超声反射信号特征及其检测应用",无损检测 38, 1-5(2016)
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参考文献
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【2】张立同. 国外航空用陶瓷发展趋势 ［J］. 航空科学技术, 1994(6): 25-28.
【3】张权明. CMC在航天领域的应用 ［J］. 宇航材料工艺, 2011(6): 1-3.
【4】PALMER S B, DIXON S. Industrially viable non-contact ultrasound ［J］. Insight, 2003, 45(3): 211-217.
【5】BLOMME E, BULCAEN D, DECLERCQ F. Air-coupled ultrasonic NDE: experiments in the frequency range 750 kHz-2 MHz ［J］. NDT & E International, 2002, 35(7): 417-426.
【6】IMIELINISKA K, CASTAINGS M, WOJTYRA R, et al. Air-coupled ultrasonic C-scan technique in impact response testing of carbon fibre and hybrid: glass, carbon and Kevlar/epoxy composites ［J］. Journal of Materials Processing Technology, 2004, 157: 513-522.
【7】PETERS J J, BARNARD D J, HSU D K. Development of a field able air-coupled ultrasonic inspection system ［J］. Review of Progress in Quantitative Nondestructive Evaluation, 2004, 23(23): 1368-1375.
【8】周正干, 魏东, 向上. 线性调频脉冲压缩方法在空气耦合超声检测中的应用研究 ［J］. 机械工程学报, 2010, 46(18): 24-28.
【9】周正干, 张宏宇, 魏东. 脉冲压缩技术在超声换能器激励接收方法中的应用 ［J］. 中国机械工程, 2010(17): 2127-2131.
【10】魏东, 周正干. 改进的非线性调频脉冲压缩方法在空气耦合超声检测中的应用 ［J］. 2012, 48(16): 8-13.
【11】周正干, 马保全, 孙志明, 等. 相位编码脉冲压缩方法在空气耦合超声检测信号处理中的应用 ［J］. 2014, 50(2): 48-54.
【12】孔涛, 徐春广, 张运涛,等. 空气耦合超声换能器声场计算与测量研究 ［J］. 机械工程学报, 2011, 47(22): 19-24.
【13】刘战捷. 空气耦合超声无损检测技术应用［C］∥第八届全国无损检测大会会议论文集.苏州:［出版者不详］, 2003.
【14】YANEZ Y, GARCIA-HERNANDEZ M J, SALAZAR J, et al. Designing amplifiers with very low output noise for high impedance piezoelectric transducers ［J］. NDT & E International, 2005, 38(6): 491-496.
【15】SALAZAR J, TURO A, CHAVEZ J A, et al. High-power high-resolution pulser for air-coupled ultrasonic NDE applications ［J］. IEEE Transactions on Instrumentation and Measurement, 2003, 52(6): 1792-1798.
【16】KAZYS R, MAZEIKA L, ZUKAUSKAS E. Investigation of accurate imaging of the defects in composite materials using ultrasonic air-coupled technique ［J］. International Journal of Materials & Product Technology, 2011, 41(1): 105-116.
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