Monitoring of relative magnetic permeability variation during cyclic bending testing of austenitic steel grade 10Kh18n10t samples

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Cyclic bending testing of austenitic chromium-nickel steel grade 10Kh18N10T samples was carried out. Evalution of relative magnetic permeability showed its noticeable increase when the samples became fractured. This increase is related to deformation martensite appearance. Additional experiment showed, that deformation martensite formation starts before the actual destruction of the sample.

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作者简介

A. Kochnev

M.N. Mikheev Institute of Metal Physics of UB RAS

编辑信件的主要联系方式.
Email: kochnevav@imp.uran.ru
俄罗斯联邦, 620108, Yekaterinburg, Sofia Kovalevskaya st., 18

M. Rigmant

M.N. Mikheev Institute of Metal Physics of UB RAS

Email: kochnevav@imp.uran.ru
俄罗斯联邦, 620108, Yekaterinburg, Sofia Kovalevskaya st., 18

M. Korkh

M.N. Mikheev Institute of Metal Physics of UB RAS

Email: kochnevav@imp.uran.ru
俄罗斯联邦, 620108, Yekaterinburg, Sofia Kovalevskaya st., 18

N. Gordeev

M.N. Mikheev Institute of Metal Physics of UB RAS

Email: kochnevav@imp.uran.ru
俄罗斯联邦, 620108, Yekaterinburg, Sofia Kovalevskaya st., 18

A. Matosyan

M.N. Mikheev Institute of Metal Physics of UB RAS

Email: kochnevav@imp.uran.ru
俄罗斯联邦, 620108, Yekaterinburg, Sofia Kovalevskaya st., 18

参考

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  4. Berns H., Gavriljuk V.G., Nabiran N., Petrov Yu.N., Riedner S., Trophimova L.N. Fatigue and Structural Changes of High Interstitial Stainless Austenitic Steels // Steel Research International. 2010. V. 81. P. 299—307.
  5. Farrahi G.H., Minaii K., Bahai H. Fretting fatigue behavior of 316L stainless steel under combined loading conditions // International Journal of Fatigue. 2019. V. 128. P. 105206.
  6. Mishakin V., Gonchar A., Kurashkin K., Kachanov M. Prediction of fatigue life of metastable austenitic steel by a combination of acoustic and eddy current data // International Journal of Fatigue. 2020. V. 141. P. 105846.
  7. Mishakin V.V., Gonchar A.V., Kurashkin K.V., Klyushnikov V.A., Anosov M.S. Monitoring ustalostnogo razrusheniya silovogo elementa konstruktsii vikhretokovym i akusticheskimi metodami // Vestnik nauchno-tekhnicheskogo razvitiya. 2021. № 162. P. 46—54.
  8. Rigmant M.B. Metody i sredstva kontrolya fazovogo sostava dvukh- i tryokhfaznykh austenitnykh stalei // Defectoskopiya. 2018. № 2. P. 27—40.

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2. Figure 1. Dependence of relative magnetic permeability on the number of cycles: sample No. 6 (a); sample No. 3 (b).

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3. Figure 2. Variation of relative magnetic permeability along the length of the specimen after bending tests; l is the distance from the free end of the specimen.

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4. Figure 3. Variation of relative magnetic permeability at the sample fixation site during cycling.

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