Course Details

Subject {L-T-P / C} : MM4205 : Mechanical Working of Metallic Materials { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Prof. Kumud Kant Mehta

Syllabus

Mechanical Working of Metallic Materials (MM5211) Syllabus: 42 Hrs

Module 1. Introduction and basic theories of plastic deformation: Introduction to the plastic forming of metallic materials, the flow curve, yielding criteria for ductile metals and yield locus and yield surface, Octahedral shear stress and strain, plastic stress strain relationship, slip line field theory. 08 Hrs

Module 2. Fundamentals of metalworking: Importance of forming of metals, various method of metalworking processes, determination of deformation and flow stresses, effect of temperature and strain rate in metal working, important metallurgical structures of metalworking processes, friction and lubrication, deformation zone geometry, residual stresses in metalworking, modeling of metalworking process. 10 Hrs

Module 3. Forging: Classification of forging and forging equipment, theories of forging, open and close die forging, forging defects, powder metallurgy forging, residual stresses in forging. 05 Hrs

Module 4. Rolling: Classification of rolling and different types of rolling mills, forces and geometrical relationships in rolling, simplified analysis of rolling variables, defects in rolled products, rolling - mill control, torque and power in rolling. 05 Hrs

Module 5. Extrusion and Drawing of rods, wires and tubes: Classification of extrusion and extrusion equipment, theories of extrusion, hot and cold extrusions, deformation pattern, lubrication and defects in extrusion, extrusion of tubing. Rod, wire and tube drawing processes, analysis of rod, wire and tube drawing, residual stresses in rod, wire and tube drawing. 08 Hrs

Module 6. Sheet metal forming: Different sheet forming methods, analysis of bending, stretch forming, deep drawing, forming limit criteria, defects in formed parts. 06 Hrs

Course Objectives

Course Outcomes

The students will get acquaintance about the theory and practical aspects of plastic forming of metallic materials and different metal working processes that is very conventional and prevalent in Indian metalworking industries. The outcomes are as follows: <br /> <br />CO1 <br />The undergraduate students will get idea about the plastic forming of metallic materials, theories of metalworking processes and analysis of process variables. <br /> <br />CO2 <br />Students will develop in-depth understanding about the mechanics of hot and cold forgings, their categorization, importance, associated manufacturing problems and applications. <br /> <br />CO3 <br />Students will get idea about the mechanics of rolling along with their categorization such as cold and hot rolling, importance, associated defects and applications. <br /> <br />CO4 <br />Students will understand the metalworking processes of extrusion, its types such as direct and indirect extrusions, working mechanism, associated defects and engineering usefulness. <br /> <br />CO5 <br />Students will know about rods, wires and tubes drawing processes, associated mechanism, mathematical formulation, defects and limitations. <br /> <br />CO6 <br />Students will acquire the knowledge about sheet forming such as methods of sheet formation, analysis of sheet bending, stretch forming, deep drawing, forming limit criteria, defects in formed parts etc.

Essential Reading

Supplementary Reading