COMPOSITE MATERIALS TECHNOLOGY (18ME645)

 COMPOSITE MATERIALS TECHNOLOGY

• Course Code 18ME645 
• CIE Marks 40
• Teaching Hours/Week (L:T:P) 3:0:0 
• SEE Marks 60
• Credits 03 
• Exam Hours 03

Course Learning Objectives:

 To know the behaviour of constituents in the composite materials
 To Enlighten the students in different types of reinforcement
 To Enlighten the students in different types of matrices
 To develop the student’s skills in understanding the different manufacturing methods available for
composite material.
 To understand the various characterization techniques
 To illuminate the knowledge and analysis skills in applying basic laws in mechanics to the composite
materials.

Module-1

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.

Module-2

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.

Module-3

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.

Module-4

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 Drop- Weight Impact Test.

Module-5

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:

 The question paper will have ten full questions carrying equal marks.
 Each full question will be for 20 marks.
 There will be two full questions (with a maximum of four sub- questions) from each module.
 Each full question will have sub- question covering all the topics under a module.
 The students will have to answer five full questions, selecting one full question from each module.

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 E- Learning
• VTU, E- learning