ULTRA-SONIC TESTING. A nondestructive test applied to sound-conductive materials having elastic properties for the purpose of locating inhomogeneities of structural discontinuities within a material by means of an ultrasonic beam.
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TRANSGRANULAR FRACTURE. Fracture through or across the crystals or grains of a metal. Also called transcrystalline fracture or intracrystalline fracture.
STABILIZING TREATMENT. (1) Before finishing to final dimensions, repeatedly heating a ferrous or nonferrous part to or slightly above its normal operating temperature […]
STRESS RELIEVING. Heating to a suitable temperature, holding long enough to reduce residual stresses and then cooling slowly to minimize the development of […]
TRANSGRANULAR CRACKING. Cracking or fracturing that occurs through or across a crystal or grains. Also called transcrystalline cracking.