1. Introduction 2. Atomic Structure and Interatomic Bonding 3. Structures of Metals and Ceramics 4. Polymer Structures 5. Composites 6. Imperfections in Solids 7. Diffusion 8. Mechanical Properties 9. Dislocation, Deformation, and Strengthening Mechanisms 10. Failure 11. Phase Diagrams 12. Phase Transformations 13. Electrical Properties of Materials 14. Types and Applications of Materials 15. Processing of Engineering Materials 16. Corrosion and Degradation 17. Thermal Properties 18. Magnetic Properties 19. Optical Properties 20. Economic, Environmental and Societal Issues in Materials Science and Engineering Appendix A: The International System of Units (SI) Appendix B: Properties of Selected Engineering Materials Appendix C Costs and Relative Costs for Selected Engineering Materials Appendix D Repeat Unit Structures for Common Polymers Appendix E Glass Transition and Melting Temperatures for Common Polymeric Materials Appendix F Characteristics of Selected Elements Appendix G Values of Selected Physical Constants Appendix H Periodic Table of the Elements Mechanical Engineering Online Module Library of Case Studies Case Study CS1-Materials Selection for a Torsionally Stressed Cylindrical Shaft Case Study CS2-Automobile Valve Spring Case Study CS3-Failure of an Automobile Rear Axle Case Study CS4-Artificial Total Hip Replacement Case Study CS5-Intraocular Lens Implants Case Study CS6-Chemical Protective Clothing