SEVERITY OF QUENCH. Ability of quenching medium to extract heat from a hot steel workpiece; expressed in terms of the H value.
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TOUGHNESS. The ability of a metal to absorb energy and deform plastically before fracturing.
THERMAL FATIGUE. Fracture resulting from the presence of temperature gradients that vary with time in such a manner as to produce cyclic stresses […]
WATER QUENCHING. A quench in which water is the quenching medium. The major disadvantage of water quenching is its poor efficiency at the […]
VACUUM ANNEALING. Annealing carried out at sub-atmospheric pressure.