Used variously to soften, relieve internal stresses, improve machinability and to develop particular mechanical and physical properties. In special silicon steels used for transformer laminations ...
Mechanical properties of metals at ambient temperatures may be improved using various heat-treatment procedures, which have been established for many years. The concept of improving steel tensile and ...
III and Tempering of Steel A 1. Definition of Quenching: Quenching involves heating steel to a certain temperature above the Ac3 or Ac1 point, holding it at that temperature, and then cooling it at a ...
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