annealing
المظهر
مُصْطَلَحٌ عِلْمِيّ
annealing : تلدين بالحرارة
annealing: heating to and holding at a suitable temperature and then cooling at a suitable rate for such purposes as: reducing hardness, improving machinability, facilitating cold working, producing a desired microstructure, or obtaining desired mechanical, physical, or other properties