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Barkhausen noise response of three different welded duplex stainless steels

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Barkhausen noise response of three different welded duplex stainless steels. / Lindgren, M.; Santa-aho, S.; Vippola, M.

In: Insight, Vol. 58, No. 9, 01.09.2016, p. 480-486.

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@article{f3a11e74f5874f6588d61793da22860a,
title = "Barkhausen noise response of three different welded duplex stainless steels",
abstract = "An investigation was made into the Barkhausen noise responses of three duplex grades: a lean alloy LDX 2101, a conventional duplex 2205 and a super duplex 2507, in welded conditions. The aim was to study the influence of alloy chemistry and microstructure on the Barkhausen noise response. In addition, the residual stresses of the grades were measured by X-ray diffraction and the microstructure and hardness of the base materials and welds were determined. It was observed that the Barkhausen noise responses in the rolling direction and in the transverse direction were governed by the phase morphology of the materials. Only the root mean square of the Barkhausen noise burst seemed to be additionally dependent on the alloy chemistry through the hardness of the materials. Furthermore, the relationships between various characteristics of the Barkhausen noise burst measured in the rolling direction and the transverse direction and microstructural features are discussed.",
keywords = "Barkhausen, Stainless steel, Welds",
author = "M. Lindgren and S. Santa-aho and M. Vippola",
year = "2016",
month = "9",
day = "1",
doi = "10.1784/insi.2016.58.9.480",
language = "English",
volume = "58",
pages = "480--486",
journal = "Insight",
issn = "1354-2575",
publisher = "British Institute of Non-destructive Testing",
number = "9",

}

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TY - JOUR

T1 - Barkhausen noise response of three different welded duplex stainless steels

AU - Lindgren, M.

AU - Santa-aho, S.

AU - Vippola, M.

PY - 2016/9/1

Y1 - 2016/9/1

N2 - An investigation was made into the Barkhausen noise responses of three duplex grades: a lean alloy LDX 2101, a conventional duplex 2205 and a super duplex 2507, in welded conditions. The aim was to study the influence of alloy chemistry and microstructure on the Barkhausen noise response. In addition, the residual stresses of the grades were measured by X-ray diffraction and the microstructure and hardness of the base materials and welds were determined. It was observed that the Barkhausen noise responses in the rolling direction and in the transverse direction were governed by the phase morphology of the materials. Only the root mean square of the Barkhausen noise burst seemed to be additionally dependent on the alloy chemistry through the hardness of the materials. Furthermore, the relationships between various characteristics of the Barkhausen noise burst measured in the rolling direction and the transverse direction and microstructural features are discussed.

AB - An investigation was made into the Barkhausen noise responses of three duplex grades: a lean alloy LDX 2101, a conventional duplex 2205 and a super duplex 2507, in welded conditions. The aim was to study the influence of alloy chemistry and microstructure on the Barkhausen noise response. In addition, the residual stresses of the grades were measured by X-ray diffraction and the microstructure and hardness of the base materials and welds were determined. It was observed that the Barkhausen noise responses in the rolling direction and in the transverse direction were governed by the phase morphology of the materials. Only the root mean square of the Barkhausen noise burst seemed to be additionally dependent on the alloy chemistry through the hardness of the materials. Furthermore, the relationships between various characteristics of the Barkhausen noise burst measured in the rolling direction and the transverse direction and microstructural features are discussed.

KW - Barkhausen

KW - Stainless steel

KW - Welds

U2 - 10.1784/insi.2016.58.9.480

DO - 10.1784/insi.2016.58.9.480

M3 - Article

VL - 58

SP - 480

EP - 486

JO - Insight

JF - Insight

SN - 1354-2575

IS - 9

ER -