碳纤维复合材料钻孔缺陷超声波C扫描检测  

Ultrasonic C-scan Detection of Drilling Defects in Carbon Fiber Composite Materials

作　　者：钱淳 李兴成 鲍蟠虎 肖广进 QIAN Chun;LI Xingcheng;BAO Panhu;XIAO Guangjin(Jiangsu Institute of Technology,School of Mechanical Engineering,Changzhou 213000,China;Jiangsu Sanhe Sound Source Ultrasonic Technology Co.,Ltd.,Changzhou 213000,China)

机构地区：[1]江苏理工学院机械工程学院,江苏常州213000 [2]江苏三合声源超声波科技有限公司,江苏常州213000

出　　处：《无损探伤》2025年第2期1-7,共7页Nondestructive Testing Technology

基　　金：国家自然科学基金资助项目(51905235);江苏省自然科学基金资助项目(BK20191037);江苏理工学院研究生实践创新计划(XSJCX21_25)。

摘　　要：针对碳纤维复合材料在制造过程中易产生的孔洞缺陷,利用超声波C扫描技术对复合材料模拟试验板进行孔洞缺陷扫描检测,分析了复合材料超声C扫描图像中不同孔形的孔位置、孔间距和孔面积大小,并与实际尺寸相比较,得到了复合材料超声C扫描图像孔位缺陷的定位精度和定形精度。结果表明:超声检测能够准确地检测出碳纤维复合材料中不同孔形、不同尺寸的孔洞缺陷;其孔位缺陷形状误差小、精确度高,与孔的形状无关,当孔面积增大时,检测面积与实际面积之间的误差减小,缺陷定位误差会随着尺寸减小而增大。In response to the pore defects that are prone to occur in the construction and manufacturing process of carbon fiber composite materials, ultrasonic C-scan technology was used to scan and detect pore defects in composite material simulation test plates.The pore positions, spacing, and area sizes of different pore shapes in the ultrasonic C-scan images of composite materials were analyzed, and compared with actual sizes.The positioning and shaping accuracy of pore defects in the ultrasonic C-scan images of composite materials were obtained.The results show that ultrasonic testing can accurately detect the pore defects of carbon fiber composite materials with different pore shapes and sizes.The shape error of the hole position defect is small, and the high accuracy is independent of the shape of the hole.As the hole area increases, the error between the detection area and the actual area decreases, and the positioning error of the position defect shape will increase with the decrease in size.

关 键 词：超声检测 复合材料 钻孔缺陷 缺陷定位定量 

分 类 号：TG115.28[金属学及工艺—物理冶金]