Differential permeability behaviour of P9 and T22 power station Steels

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Differential permeability behaviour of P9 and T22 power station Steels. / Karimian, N.; Wilson, J.w.; Peyton, A.j.; Yin, W.; Liu, J.; Davis, Claire.

In: Journal of Magnetism and Magnetic Materials, Vol. 352, 01.02.2014, p. 81-90.

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@article{47c56dbffa294d66bd95342f0b3940fa,
title = "Differential permeability behaviour of P9 and T22 power station Steels",
abstract = "Analysis of the electromagnetic (EM) properties of power station steels, measured using a non-contact magnetic sensor, is of significance as such properties are indicative of the microstructure of the material and can be potentially exploited for non-destructive testing. In this paper, we present EM measurements of cylindrical power station steel samples (P9 and T22 grades) with different microstructures: normalised and tempered (representative of the initial condition), as normalised and after service exposure. In order to obtain the magnetic properties the B–H curves of these samples were measured. Cylindrical air-cored and printed circuit board (PCB) coil integrated sensors were used to measure the incremental permeability. Analytical and numerical methods (Finite Elements Methods) were employed to calculate the sensor response of these samples. The electromagnetic properties of the different steels were inferred by fitting the finite element models to the measured results. In addition, sensitivity and error analysis were carried out to evaluate the accuracy of the method.",
keywords = "Electromagnetic property, Power station steel, Electromagnetic sensor, Hysteresis curve, Differential permeability",
author = "N. Karimian and J.w. Wilson and A.j. Peyton and W. Yin and J. Liu and Claire Davis",
year = "2014",
month = feb,
day = "1",
doi = "10.1016/j.jmmm.2013.09.059",
language = "English",
volume = "352",
pages = "81--90",
journal = "Journal of Magnetism and Magnetic Materials",
issn = "0304-8853",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Differential permeability behaviour of P9 and T22 power station Steels

AU - Karimian, N.

AU - Wilson, J.w.

AU - Peyton, A.j.

AU - Yin, W.

AU - Liu, J.

AU - Davis, Claire

PY - 2014/2/1

Y1 - 2014/2/1

N2 - Analysis of the electromagnetic (EM) properties of power station steels, measured using a non-contact magnetic sensor, is of significance as such properties are indicative of the microstructure of the material and can be potentially exploited for non-destructive testing. In this paper, we present EM measurements of cylindrical power station steel samples (P9 and T22 grades) with different microstructures: normalised and tempered (representative of the initial condition), as normalised and after service exposure. In order to obtain the magnetic properties the B–H curves of these samples were measured. Cylindrical air-cored and printed circuit board (PCB) coil integrated sensors were used to measure the incremental permeability. Analytical and numerical methods (Finite Elements Methods) were employed to calculate the sensor response of these samples. The electromagnetic properties of the different steels were inferred by fitting the finite element models to the measured results. In addition, sensitivity and error analysis were carried out to evaluate the accuracy of the method.

AB - Analysis of the electromagnetic (EM) properties of power station steels, measured using a non-contact magnetic sensor, is of significance as such properties are indicative of the microstructure of the material and can be potentially exploited for non-destructive testing. In this paper, we present EM measurements of cylindrical power station steel samples (P9 and T22 grades) with different microstructures: normalised and tempered (representative of the initial condition), as normalised and after service exposure. In order to obtain the magnetic properties the B–H curves of these samples were measured. Cylindrical air-cored and printed circuit board (PCB) coil integrated sensors were used to measure the incremental permeability. Analytical and numerical methods (Finite Elements Methods) were employed to calculate the sensor response of these samples. The electromagnetic properties of the different steels were inferred by fitting the finite element models to the measured results. In addition, sensitivity and error analysis were carried out to evaluate the accuracy of the method.

KW - Electromagnetic property

KW - Power station steel

KW - Electromagnetic sensor

KW - Hysteresis curve

KW - Differential permeability

U2 - 10.1016/j.jmmm.2013.09.059

DO - 10.1016/j.jmmm.2013.09.059

M3 - Article

VL - 352

SP - 81

EP - 90

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

ER -