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。
所属栏目
复合材料无损检测技术新进展专题
收稿日期
2018/6/29
作者单位
王铮:中国航发北京航空材料研究院, 北京 100095航空材料检测与评价北京市重点实验室, 北京 100095
何方成:中国航发北京航空材料研究院, 北京 100095中国航空发动机集团材料检测与评价重点实验室, 北京 100095
联系人作者
王铮(wangzhengnln@sina.com.cn)
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
参考文献
【1】
ADAMS R D,CAWLEY P. Areview of defect types and nondestructive testing techniques for composites and bonded joints[J]. NDT and E International,1988,21:208-222.
【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.
