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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VACUUM ANNEALING. Annealing carried out at sub-atmospheric pressure.
ACID EMBRITTLEMENT. A form of hydrogen embrittlement that may be induced in some metals by acid treatment.
STRESS RELIEVING. Heating to a suitable temperature, holding long enough to reduce residual stresses and then cooling slowly to minimize the development of […]
SELECTIVE QUENCHING. Quenching only certain portions of an object.