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JNTU 2007-08 IV Year I Sem B.Tech. Met.E - Mechanical Working of Metals
Posted Date: 23 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: India Member Level: Diamond
Rating:  Points: 1
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
IV Year B.Tech. Met.E. I-Sem T P C
4+1* 0 4
MECHANICAL WORKING OF METALS
UNIT I:
STRESS AND STRAIN RELATIONSHIP FOR ELASTIC BEHAVIOUR: Description of stress at a point. State of stress in two dimensions.Mohrs circle of stress in two dimensions,state of stress in three dimensions. Mohrs circle of stress in three dimensions. Description of strain at point.
UNIT II:
ELEMENTS OF THEORY OF PLASTICITY: The flow curve. True stress and true strain. Von Mises distortion energy criterion, maximum shear stress or Tresca criterion. Octahedral shear stress and shear strain. Basics of the theories of plasticity.
UNIT III:
FUNDAMENTALS OF METAL WORKING: Classification of forming processes, Mechanics of metal working for slab method and uniform deformation energy method. Cold working,Recovery, recrystallisation and grain growth, hot working, Strain-Rate effects, Work of plastic deformation.
UNIT IV:
FORGING: Classification of forging processes, forging equipment. Forging in plane strain. Open-die forging, closed-die forging, Forging of a cylinder in plane-strain. Forging defects, powder metallurgy forging.
UNIT V:
ROLLING OF METALS: Classification of rolling process, rolling mills. Hot rolling, cold rolling, rolling of bars and shapes, forging and geometrical relationships in rolling.
UNIT VI:
Simplified analysis of rolling load, rolling variables, problems and defects in rolled products. Theories of hot rolling ,torque and horsepower, theories of cold rolling, torque and horsepower.
UNIT VII:
EXTRUSION: Classification of extrusion processes, extrusion equipment. Hot extrusion. Deformation and defects in extrusion. Analysis of the extrusion process. Cold extrusion. Extrusion of tubing and production of seamless pipe and tubing.
UNIT VIII:
DRAWING OF RODS, WIRES AND TUBE: Rod and wire drawing, tube drawing processes, residual stresses in rod, wire and tubes.
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Responses
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| Author: India 23 Dec 2007 | Member Level: Diamond Points : 3 | TEXT BOOK:
1. Mechanical Metallurgy by GE Dieter (3rd edition)
REFERENCES:
1. Mechanical working of metals-Avitzone.
2. Engineering Metallurgy-partII-Higgins.
refer mechanical working of metals journals of national and international
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