WORK HARDNESS. Hardness developed in metal resulting from cold working.
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WORKING ZONE. That portion of the enclosed volume of a piece of thermal processing equipment occupied by parts or raw material during the […]
TEMPER COLOR. A thin, tightly adhering oxide skin that forms when steel is tempered at a low temperature, or for a short time, […]
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 […]
THERMAL FATIGUE. Fracture resulting from the presence of temperature gradients that vary with time in such a manner as to produce cyclic stresses […]