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Esterer Gießerei - Soft annealing
Soft annealing
Stress-relief annealing is a procedure of heat treatment of metals where a change in the structure of the material occurs. The goal is to have better machining or forming characteristics of the metal in its cold state.
For this purpose the material is heated up to annealing and this is done for such a long time till all defects and dislocations are corrected and stress is relieved. At slow cooling of the material the process of recrystallization begins, new cores form and crystals grow.
Metals which undergo the process of stress relief annealing lose hardness and can then be milled easier and without cracks, stretched to wires or punched.
