WORKING ZONE. That portion of the enclosed volume of a piece of thermal processing equipment occupied by parts or raw material during the soaking portion of a thermal treatment. It is usually, but not always, a high percentage of the total enclosed volume. It may include more than one control zone.
You may also like
SUBCRITICAL ANNEALING. A process anneal performed on ferrous alloys at a temperature below Ac1.
STRESS. Force per unit area, often thought of as force acting through a small area within a plane. It can be divided into […]
SECONDARY HARDNESS. The higher hardness developed by certain alloy steels when they are cooled from a tempering operation. This should always be followed […]
ULTIMATE STRENGTH. The maximum conventional stress (tensile, compressive or shear) that a material can withstand.