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JNTU 2007-2008 II YEAR II SEM. B. TECH. AE - AEROSPACE MATERIALS AND COMPOSITES
Posted Date: 09 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: Sri Member Level: Gold
Rating:  Points: 1
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
II Year B. Tech. AE – II semester T P C
4+1* 0 4
AEROSPACE MATERIALS AND COMPOSITES
UNIT-I
Mechanical behavior of engineering materials, linear and non-linear elastic properties, yielding, strain hardening, fracture Barochinger’s effect, notch effect, testing and flow detection of materials including super alloys and P-H. steels. Thermo-Structural behavior of materials for application at elevated temperatures.
UNIT-II
Introduction, wrought, cast and forged aluminum alloys, production of semi-fabricated forms for aerospace applications.
UNIT-III
Introduction to composites:
Classification characterization, advantages and applications of composite materials – Reinforcements and matrices, composite structures. Single layer symmetric, Anti-symmetric and un-symmetric lay up configurations with cross – ply and angle – ply lay – ups. Introduction to 3D composites, filament wound and Woven composites.
UNIT-IV
Charaterization of Composites
Stress strain relations of composites, Otrhotropic behavior of composites, Mechanics of Materials approach to determine Young’s modulus, Shear modulus and Poisson’s ratio, Stress strain relations in material coordinates, strength concepts, Biaxial strength theories, maximum stress, maximum strain, fracture toughness of composites
UNIT-V
Lamination of CCA models and introduction to micro mechanics. Elasticity based micro-mechanical models, introduction to FEM in composites characterization.
UNIT-VI
Open and closed mould process, filament winding, pull-trusion and online production methods of manufacture of fibers and composites. Manufacture of high performance composite materials applicable in elevated temperature field.
UNIT-VII
Introduction to impact damage of composite life production and damage tolerance studies, fracture toughness of composites. NDT techniques for quality assurance.
UNIT-VIII
Environmental and Manufacturing considerations in selection of materials for Aircrafts, Rockets. Materials used for Aircraft applications – application of composite materials, super alloys for supersonic vehicles.
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