Heat Treatment of Metals and Alloys Syllabus for B.Tech 5th sem is covered here. This gives the details about credits, number of hours and other details along with reference books for the course.<\/p>\n
The detailed syllabus for Heat Treatment of Metals and Alloys B.Tech (R13) fifthsem is as follows<\/p>\n
OBJECTIVES:<\/strong> UNIT I : TRANSFORMATIONS IN STEELS<\/strong> \u00a0 \u00a0[10 Hours] UNIT II : HEAT TREATMENT PROCESSES<\/strong> \u00a0 \u00a0 \u00a0[9 Hours] UNIT III : CASE HARDENING<\/strong> \u00a0 \u00a0 \u00a0[9 Hours]
\nThe course covers the fundamental aspects of the theory and practice of heat treatment of metals and alloys. It provides a comprehensive understanding of the various transformation reactions associated with the changes in microstructure and property that occur due to controlled heat treatment.<\/p>\n
\nAllotropic changes in Iron, Iron-Iron carbide equilibrium diagram \u2013 transformations on heating and cooling – influence of alloying elements \u2013 general principles of heat treatment of steels \u2013 isothermal and continuous cooling transformations in steels \u2013 Time-Temperature- Transformation curves (TTT diagrams), continuous cooling transformations \u2013 CCT-diagrams – effect of alloying additions on TTT diagrams, mechanism and kinetics of pearlitic, bainitic and martensitic transformations \u2013 precipitation hardening<\/p>\n
\nAnnealing- Types, Normalising, Hardening & Quenching \u2013Mechanisms-hardenability studies \u2013 Jominy end-quench test, Grossman\u2019s experiments, tempering \u2013 Hollomon & Jaffe tempering correlations, tempering \u2013 tempered brittleness \u2013 effects of alloying elements on tempering, austempering and martempering, precipitation hardening, thermomechanical treatment, intercritical heat treatment, polymer quenching, sub-zero treatment \u2013 cryogenic quenching, patenting<\/p>\n
\nIntroduction, carburisation \u2013 principle \u2013 carbon potential \u2013 mechanism \u00a0application of Fick\u2019s law \u2013 depth of carburisation and its control \u2013 methods of carburising \u2013 heat treatment after carburising\u2013 structure, properties and defects in carburising, nitriding \u2013 mechanism \u2013 retained austenite \u2013 Remedy- effect of microstructure \u2013 nitriding methods, ion-nitriding and nitro-carburising, boronising, chromising, cyaniding and carbonitriding, induction and flame hardening, Laser and Electron beam hardening and welding \u2013 principles \u2013 methods \u2013 operating variables, measurement of case depth<\/p>\n