Introduction to Composite Materials:
Definition, classification & brief history of composite materials.
Constituent of composite materials:
Reinforcements, Matrix, Coupling agents, coatings & fillers.
Reinforcements:
Introduction, Glass Fibers, Boron Fibers, Carbon Fibers, Organic Fibers, Ceramic Fibers, Whiskers, Other Non-oxide Reinforcements, Comparison of Fibers
Matrix Materials:
Polymers, Metals and Ceramic Matrix Materials.
Interfaces:
Wettability, Crystallographic nature of interface, types of bonding at the interface and optimum interfacial bond strength.
Polymer Matrix Composites (PMC):
Processing of PMC’s; Processing of Thermoset Matrix Composites, Thermoplastic Matrix Composites, Sheet Moulding Compound and carbon reinforced polymer composites. Interfaces in PMC’s, Structure & Properties of PMC’s, applications
Metal Matrix Composites:
Types of metal matrix composites, Important Metallic Matrices, Processing, Interfaces in Metal Matrix Composites, Properties & Applications.
Ceramic Matrix Composites (CMC):
Processing of CMC’s; Cold Pressing & Sintering, Hot Pressing, Reaction Bonding Processes, Infiltration, Directed Oxidation, In Situ Chemical Reaction Technique, Sol-Gel, Polymer Infiltration & Pyrolysis, Electrophoretic Deposition, Self-Propagating High Temperature Synthesis. Interfaces, properties and applications of CMC’s.
Carbon Fiber/Carbon Matrix Composites:
Processing of Carbon/Carbon Composites, Oxidation protection of Carbon/Carbon Composites, Properties of Carbon/Carbon Composites, and application of Carbon/Carbon Composites.
Multi-filamentary Superconducting Composites:
The Problem of Flux Pinning, Types of Super Conductor, Processing & structure of Multi filamentary superconducting composites. Applications of multi-filamentary superconducting composites.
Nonconventional Composites:
Introduction, Nanocomposites; Polymer clay nanocomposites, self healing composites, self-reinforced composites. Biocomposites, Laminates; Ceramic Laminates, Hybrid Composites.
Performance/Characterization of Composites: Static Mechanical Properties;
Tensile Properties, Compressive Properties, Flexural Properties, In-Plane Shear Properties, Interlaminar Shear Strength.
Fatigue Properties; Tension–Tension Fatigue, Flexural Fatigue.
Impact Properties; Charpy, Izod, and DropWeight Impact Test.
Micromechanics of Composites:
Density, Mechanical Properties; Prediction of Elastic Constants, Micromechanical Approaches, Halpin-Tsai Equations, Transverse Stresses, Thermal properties. Numerical Problems.
Macromechanics of Composites:
Introduction, Elastic constants of an isotropic material, elastic constants of a lamina, relationship between engineering constants and reduced stiffnesses and compliances.
Course Outcomes:
At the end of the course, the student will be able to:
CO1: Use different types of manufacturing processes in the preparation of composite materials
CO2: Analyze the problems on macro mechanical 88ehavior of composites
CO3: Analyze the problems on micromechanical 88ehavior of Composites
CO4: Determine stresses and strains relation in composites materials.
CO5: Understand and effective use of properties in design of composite structures
CO6: Perform literature search on a selected advanced material topic.
Question paper pattern:
Textbook/s
1 Composite Material Science and Engineering Krishan K. Chawla Springer Third Edition First Indian Reprint 2015
2 Fibre-Reinforced Composites, Materials, Manufacturing, and Design P.K. Mallick CRC Press, Taylor & Francis Group Third Edition
3 Mechanics of Composite Materials & Structures MadhijitMukhopadhay Universities Press 2004
Reference Books
1 Mechanics of Composite materials Autar K. Kaw CRC Taylor & Francis 2nd Ed, 2005
2 Stress analysis of fiber Reinforced Composites Materials Michael W, Hyer Mc-Graw Hill International 2009
3 Mechanics of Composite Materials .Robert M. Jones Taylor & Francis 1999