Ferrous heat treatment the iron-carbon equilibrium and plain carbon steels. iron-carbon phase equilibrium austenite-ferrite transformation austenite-pearlite steels influence of grain size and carbide distribution on mechanical properties. microstructure and properties of slowly cooled steels. effect of temperature and composition on structure and properties. effects of alloying elements in iron-carbon alloys. the gamma and sigma phase fields distribution of alloying elements in steel. effects of alloying elements in the kinetics of gamma and sigma transformations. structural changes resulting for alloying additions. transformation diagrams for alloy steels. isothermal transformation of austenite. austenite grain size formation of pearlite formation of bainite role of alloying elements mechanical properties of pearlite and bainite Temperature Time Transformation (TTT) diagrams. quenching treatments. formation of martensite morphology and crystallography of ferrous martensites mechanical properties of martensites retained austenite quenching media - stages of quenching, effect of variables thermal and transformation stresses, quenching defects. transformation of austenite continuous cooling cooling curves Continuous Cooling Transformation (CCT) diagrams hardening and heat treatment. factors affecting how well a metal responds to hardening processes use of TTT and CCT diagrams hardenability testing e.g. Jominy hardenability and heat treatment tempering tempering of irons and steels. tempering of non ferrous metals and alloys mechanical properties of tempered irons and steels mechanical properties of non ferrous metals and alloys |