Unit 1

Atomic structure, bonding and crystal structure in materials. Imperfections in crystalline solids and their role in influencing material 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: Microstrcture, properties and applications of ferrous and non-ferrous 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.

Objectives

• Fundamentals of Material Science
• Clear in-sight of materials for aviation and space
• Basic understanding on necessity of polymer based materials
• Basic understanding of different characterization techniques of materials
• Smart materials for future generation aviation and space

Course Outcomes

• CO1: Students have learned thermo-mechanical properties of materials in respect of aviation.
• CO2: Students will have clarity on mechanical properties of materials such as steel, aluminum and application to aviation.

CO – PO Mapping

Textbook(s)

• Cantor B, Assender H, and Grant P (2001), Aerospace Materials, ISBN 07503 0742 0, IOP Publishing Ltd

Reference(s)

• Gauthier M. M. (1995). Engineered Materials Handbook Materials Park, OH: ASM International. [Comprehensive overview on engineering plastics, elastomers, composites, ceramics and ceramic matrix composites.]
• Boyer R., Welsch G., and Collings E. W. (1994). Materials Properties Handbook: Titanium alloys. Materials Park, OH: ASM International. [Extensive coverage of Ti alloy data.]
• Davis J. R. (1997). ASM Speciality Handbook Heat Resistant Materials. Materials Park, OH: ASM International. [Comprehensive overview on superalloys, ferrous and non-ferrous heat-resistant materials.]

Evaluation Pattern