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An Eddy Current Method to Evaluate Local Wall Thinning of Carbon Steel Pipe
Shanshan Sun, Deqianga Zhou, Noritaka Yusa, Haicheng Song
15 - 20
10.3233/SAEM200005
Research Article
Studies in Applied Electromagnetics and Mechanics
Volume 45: Electromagnetic Non-Destructive Evaluation (XXIII)
Abstract

This paper proposes to evaluate the local wall thinning of carbon steel pipe using an eddy current method. Firstly, the feature signals are determined by correlation analysis of the signals and the wall thinning sizes. Subsequently, the models for estimating the residual wall thickness rt is constructed using Gaussian process regression (GPR). Finally, the applicability of the models to the evaluation of local wall thinning is verified by simulation and experiment.

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