SPALLING. A chipping or flaking of a surface due to any kind of improper heat treatment or material dissociation.
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SECONDARY HARDNESS. The higher hardness developed by certain alloy steels when they are cooled from a tempering operation. This should always be followed […]
SOLUTION HEAT TREATMENT. Heating an alloy to a suitable temperature, holding at that temperature long enough to cause one or more constituents to […]
STRAIN. A measure of the relative change in the size or shape of a body. Linear strain is the change per unit length […]
SUPERCOOLING. Cooling below the temperature at which an equilibrium phase transformation can take place, without actually obtaining the transformation.