Non-destructive surface inspection system for steel and other ferromagnetic materials using magneto-resistive sensors

被引：17
|
作者：
Nicholson, PI [1 ]
So, MH [1 ]
Meydan, T [1 ]
Moses, AJ [1 ]
机构：
[1] UWCC,SCH ENGN,WOLFSON CTR MAGNET TECHNOL,CARDIFF CF2 1XH,S GLAM,WALES
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 160卷
关键词：
ferromagnetic materials; magnetic domains; magnetic imaging; magnetoresistive sensors; non-destructive testing;
D O I：
10.1016/0304-8853(96)00156-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A versatile computerised magnetic surface inspection system utilising magneto-resistive (MR) sensors has been developed, An unbiased 1 mm MR element sensor mounted to a computer controlled X-Y table stage is raster scanned across the sample surface. Domain patterns and surface scribed defects have been mapped by measuring the vertical component of the stray fields present on various ferromagnetic surfaces.
引用
收藏
页码：162 / 164
页数：3
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