TRANSGRANULAR CRACKING. Cracking or fracturing that occurs through or across a crystal or grains. Also called transcrystalline cracking.
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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 […]
TOUGHNESS. The ability of a metal to absorb energy and deform plastically before fracturing.
SLACK QUENCHING. The incomplete hardening of steel due to quenching from the austenitizing temperature at a rate slower than the critical cooling rate […]
THERMAL SHOCK. The development of a steep temperature gradient and accompanying high stresses within a structure.