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JNTU 2007-08 III Year II Sem. B. Tech. MP- Metal Forming
Posted Date: 20 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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2007-08
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
III Year B.Tech MP II-Sem T P C
4+1* 0 4
METAL FORMING
UNIT-I
Plasticity –True stress strain diagrams in simple tension – Deviation from Engineering
stress – Strain curves. Three dimensional stress system, strain tensor and
yield Criteria of metals.
UNIT-II
Fundamentals of metal forming – Classification of forming processes – Cold working
– Recovery – Recrystallisation and grain growth, hot working. Strain rate effects
– work of plastic deformation
UNIT-III
Flow stress curves – Super plasticity in materials – Hot working and cold working
operation – Relative merits and applications.
UNIT-IV
Sheet metal working: Standard die sets, simple, compound, combination, progressive
and transfer dies. Process parameters and estimation of loads in shearing,
bending, deep drawing, shear spinning operations. Mechanical and hydraulic
presses, relative merits and application – constructional features and operation.
UNIT-V
FORGING: Open die and closed die forging, machine forging, upset forging etc.,
forging loads, forging die design. Estimation of forging loads for rectangular and
cylindrical slugs. Forgeability Tests. Defects in forging, Forging equipment – constructional
features and operation.
UNIT-VI
ROLLING: Principles of rolling, Process parameters, Estimation of rolling loads by
consideration of stresses. Principles of roll pass design for various product shapes.
Principles of ring rolling. Processing maps and their applications in metal working
operation. Rolling mills – Their constructional features and operation.
UNIT- VII
EXTRUSION: Classification of extrusion processes, extrusion equipment. Hot extrusion. Deformation and defects in extrusion. Analysis of the extrusion proceses, cold extrusion. Extrusion of tubing and production of seamless pipe and tubing.
UNIT- VIII
DRAWING OF RODS, WIRES AND TUBES: Road and wire drawing, tube drawing process, residual stresses in rod, wire and tubes.
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Responses
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| Author: India 20 Dec 2007 | Member Level: Diamond Points : 1 | TEXT BOOK:
G. E Dieter: Mechanical Metallurgy.
REFERENCE BOOKS :
1.” An Introduction to the Principles of Metal Working “ by Geoffery W. Rowe.
2. “ Sheet working of Metal “ by Eary and Reads.
3. “ Manufacturing Sciences “ by Amitabh Ghosh and Mallik.
4. “ Manufacturing Technology” by P. N. Rao.
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