Mechanical behavior of materials: elastic and plastic behavior, yielding fracture, crack propagation, fatigue, creep. Behavior at low and high temperatures. Engineering properties of metallic and non-metallic materials. Functional requirements of engineering materials. Material selection process, criteria and techniques. Aspects of design for selection. Applications: material selection for springs, fasteners, gears, bearings etc. Material selection for abrasive-wear and corrosion- resistance applications. Case studies.