A procedure and device for calibration-free determination of residual compression stresses in low-carbon steels deformed by tension

A procedure for determining the residual compression stresses in tension-deformed low-carbon steels has been proposed that does not involve pre-calibration of the device with standard samples for the case where magnetic anisotropy is mainly determined by mechanical compression stresses. A new design...

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Veröffentlicht in:Russian journal of nondestructive testing 2017-11, Vol.53 (11), p.772-778
Hauptverfasser: Nichipuruk, A. P., Stashkov, A. N., Kuleev, V. G., Schapova, E. A., Osipov, A. A.
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Sprache:eng
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Zusammenfassung:A procedure for determining the residual compression stresses in tension-deformed low-carbon steels has been proposed that does not involve pre-calibration of the device with standard samples for the case where magnetic anisotropy is mainly determined by mechanical compression stresses. A new design of the attachable measuring transducer is presented for experimental determination of the induced magnetic-anisotropy field within local areas of lump ferromagnetic objects. The legitimacy of evaluating compression stresses with this procedure has been proved experimentally.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830917110055