复合材料孔隙率的超声检测衰减系数影响因素
Influencing Factors of the Attenuation Coefficient of the Ultrasonic Testing for Composite Porosity
摘 要
针对复合材料孔隙率检测需求，研究超声检测参数和被检测材料本身对超声检测衰减系数的影响，间接推断出衰减幅度的影响因素。开展了检测频率、探头类型、检测水距、材料种类对复合材料声波衰减系数的影响试验。结果表明，检测频率越高衰减系数越大，探头声束宽度越大衰减系数越大，不同材料体系的声衰减系数不同。
孔隙率
衰减系数
影响因素
超声检测
composite
porosity
attenuation coefficient
influencing factor
ultrasonic testing
Abstract
The influencing factors of the attenuation coefficient for porosity testing of composite are studied in this article. The experiments of changing the test frequency, probe type, water distance and the material to measure the influence to the attenuation coefficients are done. The results show that the higher the detection frequency,the bigger the attenuation coefficient, the bigger the probe beam width,the bigger the attenuation coefficient, and the acoustic attenuation coefficient of different material systems is different.
中图分类号 TG115.28 DOI 10.11973/wsjc201811011
所属栏目 复合材料无损检测技术新进展专题
基金项目
收稿日期 2018/6/29
修改稿日期
网络出版日期
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备注王铮(1978-),女,硕士,高级工程师,主要从事金属与非金属材料无损检测技术研究工作
引用该论文: WANG Zheng,HE Fangcheng. Influencing Factors of the Attenuation Coefficient of the Ultrasonic Testing for Composite Porosity[J]. Nondestructive Testing, 2018, 40(11): 42～44
王铮,何方成. 复合材料孔隙率的超声检测衰减系数影响因素[J]. 无损检测, 2018, 40(11): 42～44
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参考文献
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【10】TITTMANN B R, AHLBERG L A, FERTIG K W.Ultrasonic microstructural noise parameters in a powder metal alloy[J]. Review of Progress in Quantitative Nondestructive Evaluation,1984, 3A:57-63.
【11】KOGAN V G, HSU D K, ROSE J H. Characterization of flaws using the zeroes of the real and imaginary parts of the ultrasonic scattering amplitude[J]. Journal of Nondestructive Evaluation,1985,5:57-68.
【2】ACHENBACH J D. Quantitative nondestructive evaluation[J]. International Journal of Solids and Structures, 2000,37:13-27.
【3】STONE D E W, CLARKE B. Ultrasonic attenuation as a measure of void content in carbon-fibre reinforced plastics[J]. Nondestructive Testing, 1975, 8:137-145.
【4】MATIN B G.Ultrasonic wave propagation in fiber-reinforced solids containing voids[J]. Journal of Applied Physics, 1977,48:3368-3373.
【5】REYNOLDS W N, WILKINSON S J.The analysis of fibre-reinforced porous composite materials by the measurement of ultrasonic wave velocities[J].Ultrasonics, 1978,16:159-163.
【6】HALE J M, ASHTON J N. Ultrasonic attenuation in voided fibre reinforced plastics[J].NDT International, 1988,21:321-326.
【7】DANIEL I M, WOOH S C, KOMSKY I.Quantitative porosity characterization of composite materials by means of ultrasonic attenuation measurements[J]. Journal of Nondestructive Evaluation, 1992,11:1-8.
【8】JEONG H, HSU D K.Experimental analysis of porosity-induced ultrasonic attenuation and velocity change in carbon composites[J]. Ultrasonics, 1995,33:195-203.
【9】LIN L, CHEN J, ZHANG X,et al.A novel 2-D random void model and its application in ultrasonically determined void content for composite materials[J]. NDT and E International,2011,44:254-260.
【10】TITTMANN B R, AHLBERG L A, FERTIG K W.Ultrasonic microstructural noise parameters in a powder metal alloy[J]. Review of Progress in Quantitative Nondestructive Evaluation,1984, 3A:57-63.
【11】KOGAN V G, HSU D K, ROSE J H. Characterization of flaws using the zeroes of the real and imaginary parts of the ultrasonic scattering amplitude[J]. Journal of Nondestructive Evaluation,1985,5:57-68.
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