Magnetic properties and structure of carbon steel samples manufactured by selective laser melting and subjected to fatigue tests

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Abstract

This study investigates the magnetic properties and structure of 09G2S steel samples fabricated using casting and selective laser melting methods. Fatigue bending tests with cantilever fixation were performed to analyze these properties. It was found that the fatigue curve for 3D-printed steel lies below that of cast steel with a similar chemical composition. Both the coercive force and residual magnetic induction are lower near the fracture site. The greater the number of cycles to failure, the smaller the difference in coercive force and residual magnetic induction in different parts of the sample. The nature of fatigue failure differs between cast and 3D-printed steel. The cast 09G2S steel sample exhibits a straight and homogeneous fatigue fracture without visible crack initiation sites. In contrast, the 3D-printed steel samples show heterogeneous fractures with localized zones of failure and tear-off ridges.

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About the authors

N. V. Gordeev

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences; Ural Federal University named after the first President of Russia B.N. Yeltsin

Author for correspondence.
Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18; 620002 Yekaterinburg, Mira str., 19

A. N. Stashkov

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18

A. M. Matosyan

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences; Ural Federal University named after the first President of Russia B.N. Yeltsin

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18; 620002 Yekaterinburg, Mira str., 19

M. K. Korkh

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18

A. P. Nichipuruk

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18

D. A. Shishkin

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18

I. G. Shirinkina

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: gordeev.nikita@urfu.me
Russian Federation, 620108, Yekaterinburg, S. Kovalevskaya str., 18

References

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  2. Anosov M.S., Riabov D.A., Chernigin M.A., Solov'ev A.A. Nerazrushaiushchii kontrol' nakopleniia ustalostnykh povrezhdenii v stali sv-09G2S, poluchennoi 3D-pechat'iu elektrodugovoi naplavkoi // Vestnik Magnitogorskogo gosudarstvennogo tekhnicheskogo universiteta im. G.I. Nosova. 2023. T. 21. № 2. P. 47—53.
  3. Mantserov S.A., Anosov M.S., Ital'iantsev D.S. Diagnostika strukturnoi povrezhdennosti stali 09G2S, poluchennoi s ispol'zovaniem tekhnologii WAAM pri malotsiklovoi ustalosti na osnove neiro-nechetkoi klassifikatsii // Morskoi vestnik. 2023. № 2. P. 32—36.
  4. Bus'ko V.N., Nichipuruk A.P., Stashkov A.N. Metodika mekhanicheskikh ispytanii i issledovanie vozmozhnosti kontrolia ustalostnoi prochnosti magnitoshumovym metodom stal'nykh obraztsov, izgotovlennykh po additivnoi tekhnologii // Kontrol'. Diagnostika. 2024. № 4. P. 54—63.
  5. Bus'ko V.N. Laboratornaia ustanovka dlia issledovaniia ustalostnoi povrezhdaemosti ploskikh ferromagnitnykh obraztsov // Pribory i tekhnika eksperimenta. 2011. No. 1. P. 165—167.
  6. Nichipuruk A.P., Stashkov A.N., Schapova E.A., Kazantseva N.V., Makarova M.V. Structure and Magnetic Properties of 09G2S Steel Obtained by the Selective Laser Melting Method // Physics of the Solid State. 2022. Т. 64. No. 3. P. 148—153.
  7. Stashkov A.N., Nichipuruk A.P., Schapova E.A., Gordeev N.V., Vshivtsev I.V., Kazantseva N.V. Magnetic Properties of Cyclically Tensile-Deformed Steel 09G2S Manufactured by Selective Laser Melting // Russian Journal of Nondestructive Testing. 2023. V. 59. No. 1. P. 54—61.

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2. Fig. 1. Dependence of the initial amplitude of the relaxation curve on the lithium concentration.

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3. Fig. 2. Optical images of the fracture zone under the same loading conditions of samples No. 1 (a), No. 2 (e) and No. 3 (c), as well as diagrams of fatigue fracture zones of samples No. 1 (b), No. 2 (e) and No. 3 (d): 1 — the focus of destruction; 2 — the zone of stable crack growth; 3 — the zone of accelerated crack growth; 4 — the doloma zone; 5 — the ridge of separation.

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