PROSPECTS ON THE APPLICATION OF HTS SQUID MAGNETOMETRY TO NONDESTRUCTIVE EVALUATION (NDE)

被引:20
|
作者
WEINSTOCK, H
机构
[1] Directorate of Physics and Electronics, Air Force Office of Scientific Research, Bolling AFB
来源
关键词
D O I
10.1016/0921-4534(93)90921-C
中图分类号
O59 [应用物理学];
学科分类号
摘要
In light of recent advances in the fabrication of low-noise HTS SQUIDs, a review is presented on the use of LTS SQUID magnetometry for nondestructive evaluation (NDE). Examples are given on applications relating to defects in steel, subsurface cracks in aircraft frames, and voids in non-metallic structures. HTS SQUIDs may make a significant difference in the acceptance of these applications because sensing coils will be closer to a sample under test, there will be greater instrument portability and the problem of bringing liquid helium to remote locations will be eliminated.
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页码:269 / 272
页数:4
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