THERMAL FATIGUE. Fracture resulting from the presence of temperature gradients that vary with time in such a manner as to produce cyclic stresses in a structure.
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WORK HARDNESS. Hardness developed in metal resulting from cold working.
SCLEROSCOPE TEST. A hardness test in which the loss in kinetic energy of a falling metal “tup,” absorbed by indentation upon impact of […]
SELECTIVE QUENCHING. Quenching only certain portions of an object.
WORKING ZONE. That portion of the enclosed volume of a piece of thermal processing equipment occupied by parts or raw material during the […]