Transition temperature


range determined by means of the impact test in which the transition

from the ductile to the brittle state, i.e. from the upper shelf to the

lower shelf of the ductile-brittle transition temperature (DBTT) curve,

occurs (Fig. 1).

  • Fig. 1: Ductile-brittle transition temperature (DBTT) curve with pronounced spread in the steep transition section (schematic)