Standard No.:	GB/T 28704-2012
English Name:	Non-destructive testing—Test method for ultrasonic guided wave testing based on magnetostrictive effects
Chinese Name:	无损检测 磁致伸缩超声导波检测方法
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2012-9-3
Implemented on:	2013-3-1
Status:	superseded
Superseded by:	GB/T 31211.2-2024 Non-destructive testing—Ultrasonic guided-wave testing—Part 2:Test method based on magnetostrictive transduction
Superseded on:	2024-4-25
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	200.00
Delivery:	via email in 1~3 business day

本标准规定了用于快速发现构件中存在截面损失的磁致伸缩超声导波检测方法。
本标准适用于检测温度为-20℃~550℃、直径为10mm~1000mm、壁厚为0.5mm~80mm
管状,直径为10mm~80mm 棒状和直径为10mm~185mm 束状等构件的表面和内部缺陷。如果合
同各方同意,也可适用于上述构件的对接焊缝或其他构件的检测。
本标准未建立评价判据,具体的判据由合同各方协商确定。
本标准没有完全给出进行检测时的安全要求,使用本标准的各方有义务在检测前建立适当的安全
和防护准则。