Thickness evaluation of thermal spraying on boiler tubes by eddy current testing

Yohei Takahashi; Ryoichi Urayama; Tetsuya Uchimoto; Toshiyuki Takagi; Hiroshi Naganuma; Kazufumi Sugawara; Yoriaki Sasaki

doi:10.3233/JAE-2012-1491

Thickness evaluation of thermal spraying on boiler tubes by eddy current testing

Yohei Takahashi, Ryoichi Urayama, Tetsuya Uchimoto, Toshiyuki Takagi, Hiroshi Naganuma, Kazufumi Sugawara, Yoriaki Sasaki

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

This paper discusses the feasibility of thickness evaluation of Ni-based alloy coating sprayed on type 304 austenitic stainless steels by swept frequency eddy current testing which measures the impedance spectra of coil. Comparing the experimental signals with the numerical ones, the electromagnetic models of coating are developed. Using these models, the inverse analyses are conducted. The coating thicknesses are estimated within the maximum error of 22 μm.

Original language	English
Pages (from-to)	419-425
Number of pages	7
Journal	International Journal of Applied Electromagnetics and Mechanics
Volume	39
Issue number	1-4
DOIs	https://doi.org/10.3233/JAE-2012-1491
Publication status	Published - 2012

Keywords

Thermal spraying
coating thickness
inverse analysis
swept frequency eddy current testing

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.3233/JAE-2012-1491

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Thickness evaluation of thermal spraying on boiler tubes by eddy current testing. / Takahashi, Yohei; Urayama, Ryoichi; Uchimoto, Tetsuya ; Takagi, Toshiyuki; Naganuma, Hiroshi; Sugawara, Kazufumi; Sasaki, Yoriaki.

In: International Journal of Applied Electromagnetics and Mechanics, Vol. 39, No. 1-4, 2012, p. 419-425.

Research output: Contribution to journal › Article › peer-review

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AU - Naganuma, Hiroshi

AU - Sugawara, Kazufumi

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AB - This paper discusses the feasibility of thickness evaluation of Ni-based alloy coating sprayed on type 304 austenitic stainless steels by swept frequency eddy current testing which measures the impedance spectra of coil. Comparing the experimental signals with the numerical ones, the electromagnetic models of coating are developed. Using these models, the inverse analyses are conducted. The coating thicknesses are estimated within the maximum error of 22 μm.

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Thickness evaluation of thermal spraying on boiler tubes by eddy current testing

Abstract

Keywords

ASJC Scopus subject areas

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