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Nondestructive examination of decarburised layer of steels using eddy current and magnetic Barkhausen noise testing techniques

Author:
سارا فلاحت
,
صادق قانعی
,
مهرداد کاشفی تربتی
,
Sara Falahat
,
Sadegh Ghanei
,
Mehrdad Kashefi Torbati
Year
: 2018
Abstract: Eddy current and Barkhausen noise nondestructive testing techniques were considered to evaluate the magnetic properties of the decarburised steels as a function of microstructure. To make changes

in decarburising depth, carbon steel samples were austenitised at 890 °C for 120–270 min. Considering different decarburised depths, height, position and width of the noise profiles were extracted in

order to analyse the magnetic Barkhausen noise measurements. Next, the eddy current test was performed to detect the changes in the microstructure through decarburising of the steel taking into

account the impedance variations. According to the results, both techniques allow us to detect changes in the magnetic properties of the decarburised steels and link them with their microstructural

changes, nondestructively.
URI: https://libsearch.um.ac.ir:443/fum/handle/fum/3364122
Keyword(s): Barkhausen noise,decarburised steel,eddy current testing,microstructure,nondestructive testing
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    Nondestructive examination of decarburised layer of steels using eddy current and magnetic Barkhausen noise testing techniques

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contributor authorسارا فلاحتen
contributor authorصادق قانعیen
contributor authorمهرداد کاشفی تربتیen
contributor authorSara Falahatfa
contributor authorSadegh Ghaneifa
contributor authorMehrdad Kashefi Torbatifa
date accessioned2020-06-06T13:39:53Z
date available2020-06-06T13:39:53Z
date issued2018
identifier urihttps://libsearch.um.ac.ir:443/fum/handle/fum/3364122?locale-attribute=en
description abstractEddy current and Barkhausen noise nondestructive testing techniques were considered to evaluate the magnetic properties of the decarburised steels as a function of microstructure. To make changes

in decarburising depth, carbon steel samples were austenitised at 890 °C for 120–270 min. Considering different decarburised depths, height, position and width of the noise profiles were extracted in

order to analyse the magnetic Barkhausen noise measurements. Next, the eddy current test was performed to detect the changes in the microstructure through decarburising of the steel taking into

account the impedance variations. According to the results, both techniques allow us to detect changes in the magnetic properties of the decarburised steels and link them with their microstructural

changes, nondestructively.
en
languageEnglish
titleNondestructive examination of decarburised layer of steels using eddy current and magnetic Barkhausen noise testing techniquesen
typeJournal Paper
contenttypeExternal Fulltext
subject keywordsBarkhausen noiseen
subject keywordsdecarburised steelen
subject keywordseddy current testingen
subject keywordsmicrostructureen
subject keywordsnondestructive testingen
journal titleNondestructive Testing and Evaluationfa
pages154-164
journal volume33
journal issue2
identifier linkhttps://profdoc.um.ac.ir/paper-abstract-1068248.html
identifier articleid1068248
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