复合材料拉挤长梁缺陷的超声表征与评估
Ultrasonic characterization and evaluation of defects in pultrusion composite long beam
摘 要
提出了一种利用单脉冲超声波在复合材料拉挤长梁结构中产生反射行为的缺陷表征与评估方法,设计制备了不同的拉挤试样,构建了单脉冲超声试验系统,分析了单脉冲超声波在复合材料拉挤长梁中产生的反射行为与时域信号特征,研究了单脉冲超声波信号时域特征、图像特征与拉挤长梁内部缺陷行为之间的声学联系,建立了缺陷的超声表征和评估方法。试验结果表明,单脉冲超声波在复合材料拉挤长梁中产生的反射行为与其内部缺陷存在信号和图像映射关系,据此可以有效实现复合材料拉挤长梁内部缺陷表征与检测及定性定量评估,表面检测盲区达到单个铺层厚度(约0.125 mm)。该研究为复合材料拉挤长梁提供了一种非常有效的超声表征与评估方法,取得了很好的实际应用效果。
超声
缺陷评估
pultrusion composite beam
ultrasonic
defect evaluation
Abstract
A method for defect characterization and evaluation using mono-pulse ultrasonic (MU) reflection behavior in pultrusion composites beam (PCB) was proposed. Different pultrusion composite specimens were designed and prepared. A MU testing system was constructed. The acoustic relationships among time-domain features, image features of MU signal and internal defect behavior of PCBs were investigated. A MU method for characterization and evaluation of internal defects of PCBs was established. The experimental results showed that MU reflections in PCBs had very good time-domain discernable signal relation and image mapping relationship with defects therein. The internal defects characterization, detection, and qualitatively and quantitatively evaluation of PCBs can be realized effectively using MU reflections from PCBs. The surface detection dead-zone reached a single prepreg ply thickness (about 0.125 mm). It provided a very effective ultrasonic characterization and evaluation method for PCBs. Good practical application had been obtained.
中图分类号 TG115.28 DOI 10.11973/wsjc202310013
所属栏目 试验研究
基金项目
收稿日期 2023/3/3
修改稿日期
网络出版日期
作者单位点击查看
备注王松(1987-),女,博士,高级工程师,主要从事复合材料的无损检测与评估工作
引用该论文: WANG Song,LIU Feifei,LIU Songping,HU Yingcan,YANG Yusen,LI Zhiying. Ultrasonic characterization and evaluation of defects in pultrusion composite long beam[J]. Nondestructive Testing, 2023, 45(10): 64～70
王松,刘菲菲,刘松平,户迎灿,杨玉森,李治应. 复合材料拉挤长梁缺陷的超声表征与评估[J]. 无损检测, 2023, 45(10): 64～70
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参考文献
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【3】GARNIER C,PASTOR M L,EYMA F,et al.The detection of aeronautical defects in situ on composite structures using Non Destructive Testing[J].Composite Structures,2011,93(5):1328-1336.
【4】TAN K T,WATANABE N,IWAHORI Y.X-ray radiography and micro-computed tomography examination of damage characteristics in stitched composites subjected to impact loading[J]. Composites Part B:Engineering,2011,42(4):874-884.
【5】MAYR G,PLANK B,SEKELJA J,et al.Active thermography as a quantitative method for non-destructive evaluation of porous carbon fiber reinforced polymers[J].NDT & E International,2011,44(7):537-543.
【6】ZHANG Z Y,RICHARDSON M O W,WISHEART M,et al.ESPI non-destructive testing of GRP composite materials containing impact damage[J].Composites Part A:Applied Science and Manufacturing,1998,29(7):721-729.
【7】PAN M C,HE Y Z,TIAN G Y,et al.Defect characterisation using pulsed eddy current thermography under transmission mode and NDT applications[J].NDT & E International,2012,52:28-36.
【8】ABU-KHOUSA M,SALEH W,QADDOUMI N.Defect imaging and characterization in composite structures using near-field microwave nondestructive testing techniques[J].Composite Structures,2003,62(3):255-259.
【9】CHANG J J,ZHENG C L,NI Q Q.The ultrasonic wave propagation in composite material and its characteristic evaluation[J].Composite Structures,2006,75(1):451-456.
【10】史俊伟,刘松平,程文礼.复合材料蜂窝夹层结构制件的超声可视化无损检测[J].无损检测,2015,37(3):39-43,46.
【11】刘菲菲,刘松平,周正干,等.蜂窝共固化结构高分辨率超声C扫描方法及应用[J].无损检测,2018,40(8):1-5,27.
【12】高晓进,周金帅,江柏红.CFRP蒙皮-CFRP胶接质量的原位超声检测技术[J].玻璃钢/复合材料,2018(4):32-38.
【13】RUIZ N,VERA P,CURPIÁN J,et al.Matching pursuit-based signal processing method to improve ultrasonic flaw detection in NDT applications[J].Electronics Letters,2003,39(4):413.
【14】RUIZ-REYES N,VERA-CANDEAS P,CURPIÁN-ALONSO J,et al.High-resolution pursuit for detecting flaw echoes close to the material surface in ultrasonic NDT[J].NDT & E International,2006,39(6):487-492.
【15】LIU F F,LIU S P,ZHOU Z G,et al.Detailed characterisation and evaluation of composite stiffener R-zones based on mono-pulse ultrasonic reflection behavior[J].Ultrasonics,2022,124:106732.
【16】LIU F F,ZHOU Z G,LIU S P,et al.Characterisation of composite skin–stiffener bonding interface and fine-defect evaluation using mono-pulse ultrasonic detection[J].NDT & E International,2022,131:102681.
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