Conclusions
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1.
Multiple deformation (5–6 cycles) at a stress equal to that of the plateau of flow with intermediate aging sharphy increases the resistance of St. 3 steel to cyclic stresses. The fatigue limit increases 40% and the working life 50–100 times.
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2.
The increase in the resistance to cyclic stresses is due to the formation of uniformly distributed networks of blocked dislocations in the ferritic component of low-carbon steel, which occurs during multiple elongation and subsequent aging.
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Literature cited
I. A. Oding, V. S. Ivanova, and L. K. Gordienko,DAN SSSR,160, No. 2, 5 (1964).
V. S. Ivanova, N. S. Sabitova, and I. D.Russavskaya, Zavodskaya laboratoriya, No. 2 (1963).
H. Schenck, E. Schmidtmann, and H. Kettler, Archiv für Eisenhüttenwesen,No. 11 (1960).
Additional information
A. A. Baikov Metallurgy Institute Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 16–18, March, 1966
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Ivanova, V.S., Terent'ev, V.F. Effect of multiple deformations on the resistance of low-carbon steel to cyclic stresses. Met Sci Heat Treat 8, 191–193 (1966). https://doi.org/10.1007/BF00660384
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DOI: https://doi.org/10.1007/BF00660384