Title :
Modeling of Ultrasonic Testing about Void Content in Carbon Fibre
Author :
Ruiming, Wu ; Zhifeng, Jiang ; Zuolun, Wu ; Guoqiang, Wang
Author_Institution :
School of Mechanical & Automotive Engineering, Zhejiang University of Science and Technology, Hangzhou 310023 China
Abstract :
Void is the most common flaws for composite material. Ultrasonic attenuation was serious because of the absorption of ultrasonic material and the material internal fragmentation caused by the discontinuousness. To solve the problem, ultrasonic pulse reflectance measurement system based on digital test was introduced. The relationship of factor was describe for ultrasonic attenuation caused by porosity. The relation between defect detect and probe frequency was given for probe select. Under reasonable simplifying conditions, the detection relationship between ultrasonic attenuation and void content established for particle. The C-scan images were obtained based on curved surface. The application formula calibrated by experiment was fit to given materials.
Keywords :
carbon fibre reinforced plastics; carbon fibres; composite materials; ultrasonic measurement; C-scan images; CFRP; carbon fibre; composite material; internal fragmentation; porosity; probe frequency; pulse reflectance measurement; ultrasonic attenuation; ultrasonic testing; void content; Absorption; Attenuation; Composite materials; Frequency; Optical fiber testing; Probes; Pulse measurements; Reflectivity; System testing; Ultrasonic variables measurement; C-scan; CFRP; ultrasonic attenuation; ultrasonic test; void conten;
Conference_Titel :
Electronic Measurement and Instruments, 2007. ICEMI '07. 8th International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-1-4244-1136-8
Electronic_ISBN :
978-1-4244-1136-8
DOI :
10.1109/ICEMI.2007.4350637
