The interrelation between ductility and cold resistance characteristics is considered, as which can be established by using a special characteristic, mechanical stability coefficient (a universal measure of the resistance of metal to ductile-brittle transition). It has been found that ductility cannot ensure the required brittle fracture resistance of metal, but only creates prerequisites for the attainment of the required mechanical stability. A condition for high mechanical stability is a wide stress range between the current strength of metal and brittle rupture strength.
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Translated from Problemy Prochnosti, No. 1, pp. 112 – 119, January – February, 2010.
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Kotrechko, S.A., Meshkov, Y.Y. & Shiyan, A.V. Ductility and cold resistance of structural steels. Strength Mater 42, 84–89 (2010). https://doi.org/10.1007/s11223-010-9192-6
- cold brittleness
- mechanical stability