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509124 : Processing and Mechanics of Composites
Teaching Scheme Examination scheme
Lectures : 3 Hrs/Week Paper : 100 marks
Study of different types of matrix materials, thermoplastic and thermosetting,
study of various reinforcements – long, shot fibers, particulate fillers, flakes.
Review of processing techniques like hand lay up, filament winding, resin transfer
molding, fultrusion. Effect of processing parameters on properties.
Extrusion of Thermosets
Pultrusion, application to pultruded products. Advantages and limitations of
process.
Macromechanics
Macromechanical behaviour of a lamina : Stress strain relations for anisotropic
materials, Engineering constants for orthotropic materials, Restrictions on elastic
constants, Invariant properties of an orthotropic lamina, Biaxial strength theories
for an orthotropic lamina, Maximum stress theory, Maximum strain theory, Tsai-
Hill theory, Tsai-Wu tensor theory
Micromechanical behaviour of a lamina
Mechanics of materials approach to stiffness, Elasticity approach to stiffness,
Particulate composites Mechanics of materials approach to strength
Macromechanical behaviour of a laminate
Classical lamination theory ,Symmetric laminates, Antisymmetric laminates,
Nonsymmetric laminates, Inversion of stiffness equations, cross-ply laminate
stiffnesses, Theoretical and experimental cross-ply laminate stiffness, Angle-ply
liminate stiffnesses, Theoretical and experimental angle-ply laminate stiffnesses,
Strength of laminates, Interlaminar stresses, Design of laminates
Bending, Buckling, and vibration of Laminated plates
Governing equations for bending, buckling, and vibration, Deflection of simply
supported laminated plates under distributed lateral load, Buckling of simply
supported laminated plates under in-plane load
References :
1. Fibre-glass Reinforced Plastics, N.P.Cheremisinoff (Ed), Noyce Pub. 1988.
2. Fibre Reinforced composites, P.K.Malik, Marcel Deckar, 1988.
3. Design Data for Reinforced Plastics, N.L.Hancex, R.M.Mayer, Chapman Hall,
1994
4. Reinforced Plastics : Properties and Applications,Raymond Seymour , The
Materials Information Society, 1991.
5. Composite materials in Maritime Structures, R.A.Shenoi, J.F.Wellicome, Vol-
I and II, Cambridge University Press,1993.
6. Mechanics of Composite Material, Robert Jones, McGraw Hill
company,second edition,1999
For more details, visit http://www.unipune.ernet.in/stud_info/Syllabi/Syllabus_2008.html
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