1 Introduction 2 Structure, Defects, and Deformation in Materials 3 Mechanical Testing: Tension Test and Stress–Strain Mechanisms 4 Mechanical Testing: Additional Basic Tests 5 Stress–Strain Relationships and Behavior 6 Review of Complex and Principal States of Stress and Strain 7 Yielding and Fracture under Combined Stresses 8 Fracture of Cracked Members 9 Fatigue of Materials: Introduction and Stress-Based Approach 10 Stress-Based Approach to Fatigue: Notched Members 11 Fatigue Crack Growth 12 Environmentally Assisted Cracking 13 Plastic Deformation Behavior and Models for Materials 14 Stress–Strain Analysis of Plastically Deforming Members 15 Strain-Based Approach to Fatigue 16 Time-Dependent Behavior: Creep and Damping Appendix A Review of Selected Topics from Mechanics of Materials Appendix B Statistical Variation in Materials Properties Appendix C A Survey of Engineering Materials