热交换器管检测用扫描式磁相机的比较及应用

2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Pub Date : 2019-05-01 DOI:10.1109/I2MTC.2019.8827105

Hoyong Lee, S. Sim, Jinyi Lee

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引用次数: 0

摘要

本文报道了一种用于小直径管材无损检测的筒式磁相机。利用两种类型的磁相机，利用激励线圈和环形阵列磁传感器对涡流进行成像，以检测和评估缺陷。通过在内径为13.3 mm的304奥氏体不锈钢管状试样中引入人工缺陷，对两种磁性相机的性能进行了比较和验证。

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Comparison of Scanning-Type Magnetic Cameras for Heat Exchanger Tube Inspection and their Applications

In this study, bobbin-type magnetic cameras for nondestructive inspection of small diameter tubes are reported. Two types of magnetic cameras were used to image eddy currents using exciting coils and annularly arrayed magnetic sensors, in order to detect and evaluate defects. The performance of both magnetic cameras was compared and verified using artificial defects introduced into the tubular test specimen of austenitic stainless steel 304 with 13.3 mm inner diameter.

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2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

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