Brittle Failure of Low-Carbon Steel Structures at Low Temperatures

Abstract

The brittle failure of metals at low temperature is analyzed. The temperature of ductile—brittle failure depends on the lattice parameter of the metal, while the temperature of brittle failure depends on the type of lattice, the electron structure, and the presence of impurities at the grain boundaries. Means of increasing the brittle strength of the steel at low temperature are proposed.