摘要
通过对超声波声场和对影响非金属复合材料衰减系数因素的研究 ,结合超声信号数字化技术 ,实现了非金属复合材料衰减系数的测定 .所采用的方法简单、易于实现 。
The factors which effect the ultrasonic attenuation coefficient are studied. The digital technology is used to measure the attenuation coefficient. This way is simple and easy to realize . The attenuation coefficient is measured accurately.
出处
《测试技术学报》
2002年第4期249-251,共3页
Journal of Test and Measurement Technology
关键词
非金属复合材料
衰减系数
超声检测
无损检测
nonmetal composite materials
nondestructed test
ultrasonic test
C scan image
