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OBJECTIVES
Chapter 1 - Introduction to Composite Materials
Define a composite, enumerate advantages and drawbacks of composites over monolithic materials, and
discuss factors which influence mechanical properties of a composite
Classify composites, introduce common types of fibers and matrices, and manufacturing, mechanical
properties and applications of composites
Recycling of composites
Introduce terminology used for studying mechanics of composites
Chapter 2- Overview of Composites
Review definitions of stress, strain, elastic moduli and strain energy
Develop stress-strain relationships for different types of materials
Develop stress-strain relationships for a unidirectional/bidirectional lamina
Find the engineering constants of a unidirectional/bidirectional lamina in terms of the stiffness and compliance parameters of the lamina
Develop stress-strain relationships, elastic moduli, strengths, thermal and moisture expansion coefficients
of an angle ply based on those of a unidirectional/bidirectional lamina and the angle of the ply
Chapter 3- Micromechanical Analysis of a Lamina
Develop concepts of volume and weight fraction of fiber and matrix, density and void fraction in composites
Find the nine mechanical and four hygrothermal constants: four elastic moduli, five strength parameters, two coefficients of thermal expansion and two coefficients of moisture expansion of a unidirectional lamina from the individual properties of the fiber and the matrix, fiber volume fraction, and fiber packing
Discuss the experimental characterization of the above nine mechanical and four hygrothermal constants
Chapter 4- Macromechanical Analysis of a Laminate
Understand the code for laminate stacking sequence
Develop relationships of mechanical and hygrothermal loads applied to a laminate to strains and stresses in each lamina
Find the elastic stiffnesses of laminate based on the elastic moduli of individual laminas and the stacking
sequence
Find the coefficients of thermal and moisture expansion of a laminate based on elastic moduli, coefficients of thermal and moisture expansion of individual laminas, and stacking sequence
Chapter 5- Failure, Analysis and Design of Laminates
Understand the significance of stiffness, and hygrothermal and mechanical response of special cases of laminates
Establish the failure criteria for laminates based on failure of individual lamina in a laminate
Design laminated structures such as plates and thin pressure vessels subjected to in-plane and hygrothermal loads
Introduce other mechanical design issues in laminated composites
Chapter 6- PROMAL for Windows Software Package: A User's Guide
Show how to set up PROMAL on a personal computer Show how to use PROMAL for matrix algebra such as multiplication of matrices, solving a set of equations and finding inverse of a matrix, developing and maintaining a database for properties of unidirectional laminas, conducting macromechanics of a lamina, conducting micromechanics of a lamina, conducting macromechanics of a laminate Show by examples how to use each of the above programs
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