SELECTIVE HEATING. Intentionally heating only certain portions of a workpiece.
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VACUUM ANNEALING. Annealing carried out at sub-atmospheric pressure.
SEVERITY OF QUENCH. Ability of quenching medium to extract heat from a hot steel workpiece; expressed in terms of the H value.
TRANSGRANULAR CRACKING. Cracking or fracturing that occurs through or across a crystal or grains. Also called transcrystalline cracking.
VACUUM FURNACE. A furnace using low atmospheric pressures instead of a protective gas atmosphere like most heat-treating furnaces. Vacuum furnaces are categorized at […]