摘要
根据超声衍射时差技术及技术特点,无损检测从近表面盲区抑制、杂波和噪声抑制、检测与分割技术、识别技术四个方面进行综合分析,得出超声衍射时差技术具有可靠性好、定量精度高等优点。对超声衍射时差技术的未来发展趋势进行探讨。
According to the technology and characteristics of the time difference of ultrasonic diffraction,the nondestructive testing is comprehensively analyzed from the four aspects of the near surface blind area suppression,clutter and noise suppression,detection and segmentation technology,and identification technology,and it is concluded that the time difference of ultrasonic diffraction technology has the advantages of good reliability and high quantitative accuracy. The future development trend of ultrasonic diffraction time difference technique is discussed.
作者
林乃昌
LIN Nai-chang(School of Mechanical Engineering,Luzhou Vocational and Technical College,Luzhou Sichuan 646005,China)
出处
《装备制造技术》
2020年第7期176-180,193,共6页
Equipment Manufacturing Technology
基金
泸州市智能制造重点实验室基金资助项目(2020K-2018)。
关键词
超声衍射时差法
缺陷检测
缺陷识别
ultrasonic diffraction time difference method
defect detection
defect recognition
