SNAP TEMPER. A precautionary interim stress-relieving treatment applied to high-hardenability steels immediately after quenching to prevent cracking because of delay in tempering them at the prescribed higher temperature.
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TRANSGRANULAR CRACKING. Cracking or fracturing that occurs through or across a crystal or grains. Also called transcrystalline cracking.
SHEAR. (1) That type of force that causes or tends to cause two contiguous parts of the same body to slide relative to […]
SPALLING. A chipping or flaking of a surface due to any kind of improper heat treatment or material dissociation.
SEVERITY OF QUENCH. Ability of quenching medium to extract heat from a hot steel workpiece; expressed in terms of the H value.