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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ACID EMBRITTLEMENT. A form of hydrogen embrittlement that may be induced in some metals by acid treatment.
SUPERCOOLING. Cooling below the temperature at which an equilibrium phase transformation can take place, without actually obtaining the transformation.
SOLUTION HEAT TREATMENT. Heating an alloy to a suitable temperature, holding at that temperature long enough to cause one or more constituents to […]
STRESS EQUALIZING. A low-temperature heat treatment used to balance stresses in cold-worked material without an appreciable decrease in the mechanical strength produced by […]