Insight Volume 63 No 4
April 2021
Comment, by Dr R Freemantle
NEWSDESK: Brookes Bell opens new metallurgy, fuel testing and non-destructive testing laboratory
SPECIAL FEATURE: ULTRASONICS
Ultrasound SAFT imaging for HSR ballastless track using the multi-layer sound velocity model,
by Wen-Fa Zhu, Guo-Peng Fan, Xiang-Zhen Meng, Yao Cheng, Hai-Yan Zhang, Li-Ming Li, Wei Shao, Xing-Jie Chen and Han-Fei Zhang
Comparison and optimisation of fast array-based ultrasound testing,
by K Prashar, M Weston and B Drinkwater
Ultrasonic feature imaging of a multi-layered structure beyond a thin, highly reflective layer using a convolutional neural network,
by Chuanyu Lu, Minghui Lu, Yiting Chen and Yongdong Pan
Simultaneous determination of layer thicknesses in graded layer materials by ultrasonic non-destructive method,
by Chengcheng Zhang, Xiaoyu Yang, Guoqiang Luo, Qiang Shen and Jian Zhang
Three-dimensional reconstruction of a shaft-type deep-small hole with variable aperture based on image processing for ultrasound detection,
by Zheng Gangfeng, Wu Bolin, Li Ze, Liu Songfeng, Dong Hao and Zhang Haotian
REGULAR FEATURES
International Diary
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