SOAKING. Prolonged holding at a selected temperature to effect homogenization of structure or composition.
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SEVERITY OF QUENCH. Ability of quenching medium to extract heat from a hot steel workpiece; expressed in terms of the H value.
AGE HARDENING. Hardening by aging, usually after rapid cooling or cold working.
SECONDARY HARDNESS. The higher hardness developed by certain alloy steels when they are cooled from a tempering operation. This should always be followed […]
THERMAL FATIGUE. Fracture resulting from the presence of temperature gradients that vary with time in such a manner as to produce cyclic stresses […]