Heat Treatment of Metals

Course content

Property changes due to heat treatment. Iron-carbon system. Austenitizing transformation of austenite, I-T and C-T diagrams, annealing, normalizing, hardening, critical cooling rate. Actual cooling rate, quenching media, size and mass effect. Hardenability and applications of hardenability data. Tempering. Secondary hardening, temper embrittlement, austempering. Case hardening. Residual stresses, martempering.