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Annealing is the process for making material softer while producing uniform material properties. A material can be annealed by heating it to a specific temperature and then letting the material slowly cool to room temperature in an oven. This process is expensive because the oven is unusable during the cool down process. See also normalizing, stress relieving, spheroidizing, tempering.

Note: There are 13 annealing processes in Machinery's Handbook Jeffrey Donahey