A Scanning Induction Thermography System for Thread Defects of Drill Pipes

Yanting Chen,Zhaoyuan Xu,Jianbo Wu,Sha He,Maciej Roskosz,Hui Xia,Yihua Kang

IEEE Transactions on Instrumentation and Measurement（2022）

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摘要

In oil mining system, stress cracks on thread usually lead to drill pipe failure. To maintain normal operation of drill pipes, the thread needs to be nondestructively tested. However, due to complicated structure, it is challenging to identify and quantify the cracks the using existing nondestructive testing (NDT) methods. In this article, a scanning induction thermography (SIT) system for automat...

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关键词

Magnetic fields,Heating systems,Ferrites,Stress,Prognostics and health management,Magnetic cores,Eddy currents

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