10.14489/td.2014.12.pp.044-048

2014, 12 December

DOI: 10.14489/td.2014.12.pp.044-048

Gorkunov E.S., Zadvorkin S.M., Mushnikov А.N., Smirnov S.V., Yakushenko Е.I.
EFFECT OF ELASTIC TENSION (COMPRESSION), TORSION AND HYDROSTATIC PRESSURE ON THE MAGNETIC PROPERTIES OF PIPE STEEL
(pp. 44-48)

Abstract. The paper studies the effect of elastic deformation by tension/compression, torsion, internal pressure and their combinations on the magnetic characteristics of X70 control-rolled engineering steel. A unique dependence has been established between stress intensity and coercive force at various values of the Lode parameter. To make the determination of the stress tensor invariants more reliable in case the type of loading is unknown, the velocity of acoustic wave propagation in the material is proposed to be used as an informative test parameter in addition to magnetic characteristics.

Keywords: elastic strain, pipeline steel, magnetic characteristics.

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E. S. Gorkunov, S. M. Zadvorkin, A. N. Mushnikov, S. V. Smirnov
Institute of Engineering Science UB RAS, Ekaterinburg, Russia E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

E. I. Yakushenko
VMPI, Sankt-Petersburg, Russia

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