VACUUM FURNACE. A furnace using low atmospheric pressures instead of a protective gas atmosphere like most heat-treating furnaces. Vacuum furnaces are categorized at hot wall or cold wall, depending on the location of the heating and insulating components.
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STATISTICAL PROCESS CONTROL. The application of statistical techniques for measuring and analyzing the variation in processes.
WHITE LAYER. Compound layer that forms as a result of the nitriding process.
VACUUM ANNEALING. Annealing carried out at sub-atmospheric pressure.
SPHEROIDIZING. Heating and cooling to produce a spheroidal or globular form of carbide in steel. Spheroidizing methods frequently used are: 1. Prolonged holding […]