Evaluation of the Stress–Strain State of the Wire during the Developed Thermomechanical Processing
Volokitina I.Y. Panin E.A. Fedorova T.D.
October 2025G.V. Kurdyumov Institute for Metal Physics of N.A.S. of Ukraine
Metallofizika i Noveishie Tekhnologii
2025#47Issue 101101 - 1109 pp.
This work considers the results of modelling the stress–strain state of the wire in the implementation of a new thermomechanical processing technology, which is a combined process of drawing and continuous cooling in a special chamber using liquid nitrogen. The absence of heating to ambient temperature causes an increase in the level of equivalent stress by 5−10%. An increase in the deformation rate causes a decrease in the stress level due to an increase in deformation heating. The development of cross-sectional strain occurs unevenly, the surface receives a higher level of strain. As the number of passes increases, this difference increases due to the cumulative nature of the equivalent strain.
cryogenic cooling , drawing , modelling , steel , stress–strain state , wire
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