YIELD STRENGTH. The stress at which a material exhibits a specified deviation from proportionality of stress and strain. An offset of 0.2% is used for many metals. Compare with tensile strength.
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TRANSFORMATION HARDENING. Heat treatment comprising austenitization followed by cooling under conditions such that the austenite transforms more or less completely into martensite and […]
SPRING TEMPER. A temper of nonferrous alloys and some ferrous alloys characterized by tensile strength and hardness about two-thirds of the way from […]
TOUGHNESS. The ability of a metal to absorb energy and deform plastically before fracturing.