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Indian Institute of Technology Roorkee

Principles of Metal Forming Technology

Indian Institute of Technology Roorkee and NPTEL via Swayam


The course focuses on understanding the science and technology of different forming processes. Most of the metallic objects undergo at least one of the metal forming operations, except the cast ones. Understanding basic principles of metal forming and further being applied by engineers and metallurgists directly contribute towards improvement in production in the industries. The concept of stress, deformation and failure, mechanics of metalworking and analysis of different metal working processes will be covered during the whole course. Introduction and working principle of powder metallurgy forging will be presented in the end. The course will enable the students be conversant with working principles so that they can use the knowledge gained towards increasing the productivity of manufacturing industries in the long run.INTENDED AUDIENCE : Any interested LearnersPREREQUISITES : Introduction to manufacturing technology or manufacturing processesINDUSTRY SUPPORT : Manufacturing Industries where forming takes place, for example SAIL, BHEL, Foundry and Forge industries like HEC, Bharat Forge etc.


Week 1 :Introduction and classification of metalworking processes, Behavior of materials
Week 2 : Concept of stress and strain, Hydrostatic and deviatoric stresses
Week 3 :Flow curve Yield criteria for ductile materials, plastic stress strain relationships
Week 4 :Yielding and ductility during instability, Effect of strain rate and temperature on flow properties
Week 5 : mechanics of metalworking, Analysis methods, Hot and cold working
Week 6 : Introduction, classification and analysis of forging and rolling operations
Week 7 : Defects in rolled and forged components, Analysis of extrusion process
Week 8 : Classification and analysis of wire and tube drawing and sheetmetal working, Powder metallurgy forming

Taught by

Prof. Pradeep K. Jha

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