Composite Materials (MAT 307)

2023 Spring
Faculty of Engineering and Natural Sciences
Materials Sci.& Nano Eng.(MAT)
6/7 ECTS (for students admitted in the 2013-14 Academic Year or following years)
Mehmet Yıldız,
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Formal lecture,Interactive lecture,Recitation,Laboratory
Interactive,Communicative,Discussion based learning,Project based learning
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Constituent filler and matrix materials, manufacturing processes and applications. Review of stress transformations, stress-strain relations and generalized Hooke’s Law. Mechanical characterization of fiber reinforced composite materials. Micromechanics. Ply mechanics. Mechanics of laminates via classical lamination theory. Strength of composite materials. Failure criteria of composite materials. Design of laminated composites. Introduction to analysis of laminated composites by a commercial finite element software


To bring together the basic principles that will be useful for an engineer who is involved with the analysis and design of fiber reinforced composite materials: understanding the mechanics, manufacturing and testing of polymer matrix composite materials


  • Classify composite materials depending on their constituents.
  • Describe the types and applications of constituents (fiber and matrix) for fiber reinforced polymeric composite materials
  • Describe composite manufacturing processes, identify the steps involved in material selection process of composite, and some of the items needed for production fabrication.
  • Know the stress-strain relation for linear elastic materials with different material symmetries and calculate stress, strain and modulus for a given problem of unidirectional lamina,
  • Model mechanics of a lamina, and calculate various modulus of composites from the properties of constituents through using mixture rules,
  • Model mechanics of a laminate using classical lamination theory
  • Select the variables for design of laminated composites
  • Implement failure criteria of composites in design of laminated composite structures


1. Understand the world, their country, their society, as well as themselves and have awareness of ethical problems, social rights, values and responsibility to the self and to others. 3

2. Understand different disciplines from natural and social sciences to mathematics and art, and develop interdisciplinary approaches in thinking and practice. 4

3. Think critically, follow innovations and developments in science and technology, demonstrate personal and organizational entrepreneurship and engage in life-long learning in various subjects; have the ability to continue to educate him/herself. 5

4. Communicate effectively in Turkish and English by oral, written, graphical and technological means. 5

5. Take individual and team responsibility, function effectively and respectively as an individual and a member or a leader of a team; and have the skills to work effectively in multi-disciplinary teams. 5

1. Possess sufficient knowledge of mathematics, science and program-specific engineering topics; use theoretical and applied knowledge of these areas in complex engineering problems. 4

2. Identify, define, formulate and solve complex engineering problems; choose and apply suitable analysis and modeling methods for this purpose. 4

3. Develop, choose and use modern techniques and tools that are needed for analysis and solution of complex problems faced in engineering applications; possess knowledge of standards used in engineering applications; use information technologies effectively. 4

4. Have the ability to design a complex system, process, instrument or a product under realistic constraints and conditions, with the goal of fulfilling specified needs; apply modern design techniques for this purpose. 4

5. Design and conduct experiments, collect data, analyze and interpret the results to investigate complex engineering problems or program-specific research areas. 4

6. Possess knowledge of business practices such as project management, risk management and change management; awareness on innovation; knowledge of sustainable development. 3

7. Possess knowledge of impact of engineering solutions in a global, economic, environmental, health and societal context; knowledge of contemporary issues; awareness on legal outcomes of engineering solutions; knowledge of behavior according to ethical principles, understanding of professional and ethical responsibility. 3

8. Have the ability to write effective reports and comprehend written reports, prepare design and production reports, make effective presentations, and give and receive clear and intelligible instructions. 4

1. Use mathematics (including derivative and integral calculations, probability and statistics, differential equations, linear algebra, complex variables and discrete mathematics), basic sciences, computer and programming, and electronics engineering knowledge to (a) Design and analyze complex electronic circuits, instruments, software and electronics systems with hardware/software or (b) Design and analyze communication networks and systems, signal processing algorithms or software 2

1. Applying fundamental and advanced knowledge of natural sciences as well as engineering principles to develop and design new materials and establish the relation between internal structure and physical properties using experimental, computational and theoretical tools. 5

2. Merging the existing knowledge on physical properties, design limits and fabrication methods in materials selection for a particular application or to resolve material performance related problems. 4

3. Predicting and understanding the behavior of a material under use in a specific environment knowing the internal structure or vice versa. 4

1. Familiarity with concepts in statistics and optimization, knowledge in basic differential and integral calculus, linear algebra, differential equations, complex variables, multi-variable calculus, as well as physics and computer science, and ability to use this knowledge in modeling, design and analysis of complex dynamical systems containing hardware and software components. 3

2. Ability to work in design, implementation and integration of engineering applications, such as electronic, mechanical, electromechanical, control and computer systems that contain software and hardware components, including sensors, actuators and controllers. 3


  Percentage (%)
Midterm 70
Assignment 30



Design and Optimization of Laminated Composite Materials By Zafer Gürdal, Raphael T. Haftka and Prabhat Hajela,

An introduction to Composite Materials, by D. Hull and T. W. Clyne

Introduction to Composite Materials Design, by Ever Barbero

Mechanics of Composite Materials, by Robert M. Jones

Experimental Characterization of Advanced Composite Materials, By Donald F. Adams, Leif A. Carlson and R. Byron Pipes

Theory of Composites Design, by Stephen W. Tsai