'Materials for Aviation and Space' is a course offered in the third semester of B. Tech. in Aerospace Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.
Unit 1
Atomic structure, bonding and crystal structure in materials. Imperfections in crystalline solids and their role in influencing materials properties. Mechanical properties: Stress and strain curves for brittle and ductile alloys, elastic, plastic, anelastic, visco-elastic behavior, ductility, resilience, toughness of metals, strengthening mechanisms, grain boundary hardening, solution hardening and work hardening.
Unit 2
Metals and Alloys: Microstructure, properties and applications of ferrous and nonferrous materials in aviation and space. Solid solutions, solubility limit, phase rule, binary phase diagrams, intermediate phases, intermetallic compounds, recrystallization and grain growth.
Ceramics: Structure, properties and applications of traditional and advanced ceramics for re-entry of space vehicles.
Unit 3
Polymers: Classification of engineering and high performance polymers, additives for engineering and high performance polymers, elastomers. Smart materials and superconductivity, nanomaterials, superalloys. Materials characterization techniques such as, scanning electron microscopy, transmission electron microscopy, atomic force microscopy, differential scanning calorimetry and X-Ray photo electron spectroscopy.