非铁磁性金属基体上非铁磁性涂镀层厚度的多种涡流测量方法  

Multiple eddy current measurement methods for the thickness of non-ferromagnetic coatings on non-ferromagnetic metal substrates

作　　者：黄海翔[1] 李冬[1] 杨怡璇 HUANG Hai-xiang;LI Dong;YANG Yi-xuan(China Nuclear Power Research Institute, Chengdu 610213, China;School of Electrical and Information Engineering, Sichuan University, Chengdu, Sichuan 610065, China)

机构地区：[1]中国核动力研究设计院,四川成都610213 [2]四川大学电气信息学院,四川成都610065

出　　处：《科技视界》2018年第3期157-158,共2页Science & Technology Vision

摘　　要：采用涡流法对非铁磁性金属基体上非铁磁性涂镀层厚度进行测量时,应根据涂镀层材料性质,选择合适的检测方法。根据工作经验,对该领域涂镀层厚度涡流测量方法进行总结,主要内容如下:非金属涂镀层厚度的测量采用提离效应原理,宜采用较高的检测频率;当涂层为非铁磁性金属时,还要根据涂层金属的电导率选择采用"相敏法"或者"相位法","相敏法"适用于基体金属和涂层金属电导率相差较大的情况(1.5倍),"相位法"适用于基体金属和涂层金属电导率相近的情况(1.5倍)。本文从检测对象、检测原理、关键技术等方面对如上三种检测方法进行了阐述,以期在涂镀层厚度的涡流检测技术上有所贡献。To measure the non-magnetic coating thickness on the non-magnetic metallic basis,according to the material of the coating,suitable eddy current method shoud be chosen.In this paper,three different eddy current methods to measure the thickness of the non-magnetic coatings are summarized,and be discussed into several parts.It is expected that this paper can make some contribution to the area.

关 键 词：提离效应 相敏涡流法 相位法 非铁磁性涂镀层厚度 

分 类 号：TQ639[化学工程—精细化工]