Design and analysis of ultrasonic inspection proficiency testing for defects inside forgings
YU Qingkai, ZHANG Ke, ZHANG Liang, SHEN Haihong, DING Chen, ZHANG Jianwei
PHYSICS EXAMINATION AND TESTING . 2024, (3): 54 -58 .  DOI: 10.13228/j.boyuan.issn1001-0777.20230068