CAE346 Aerospace Materials Syllabus:
CAE346 Aerospace Materials Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
• To understand the elements of aerospace materials, mechanical behaviour of materials,
ceramics and composites.
• To explain the theory, concepts, principles and governing equations of solid mechanics.
• To analyse the stresses in simple structures as used in the aerospace industry.
• To learn the concepts of corrosion and heat treatment.
• To acquire knowledge in high temperature materials and characterization
UNIT I ELEMENTS OF AEROSPACE MATERIALS
Structure of solid materials – Atomic structure of materials – Crystal structure – Miller indices – Density – Packing factor – Space lattices – X-ray diffraction – Imperfection in crystals – general requirements of materials for aerospace applications.
UNIT II MECHANICAL BEHAVIOUR OF MATERIALS
Linear and non-linear elastic properties – Yielding, strain hardening, fracture, Bauchinger’s effect – Notch effect testing and flaw detection of materials and components – Comparative study of metals, ceramics plastics and composites.
UNIT III CORROSION & HEAT TREATMENT OF METALS AND ALLOYS
Types of corrosion – Effect of corrosion on mechanical properties – Stress corrosion cracking – Corrosion resistance materials used for space vehicles. Heat treatment of carbon steels – aluminium alloys, magnesium alloys and titanium alloys – Effect of alloying treatment, heat resistance alloys – tool and die steels, magnetic alloys, powder metallurgy.
UNIT IV CERAMICS AND COMPOSITES
Introduction – physical metallurgy – modern ceramic materials – cermet – cutting tools – glass ceramic –production of semi-fabricated forms – Plastics and rubber – Carbon/Carbon composites, Fabrication processes involved in metal matrix composites – shape memory alloys – applications in aerospace vehicle design.
UNIT V HIGH TEMPERATURE MATERIALS & CHARACTERIZATION
Classification, production and characteristics – Methods and testing – Determination of mechanical and thermal properties of materials at elevated temperatures – Application of these materials in Thermal protection systems of Aerospace vehicles – super alloys – High temperature material characterization.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
On successful completion of this course, the student will be able to
CO1: Explain the advanced concepts of aerospace materials.
CO2: Describe the necessary mathematical knowledge that are needed in understanding their significance and operation.
CO3: Explain various topics such as elements of aerospace materials, mechanical behaviour of materials, ceramics and composites.
CO4: Deploy the skills effectively in the understanding of aerospace materials.
CO5: Characterize high temperature materials
TEXT BOOKS:
1. Martin, J.W., “Engineering Materials, Their properties and Applications”, Wykedham Publications (London) Ltd, 1987.
2. Titterton.G., “Aircraft Materials and Processes”, 5th Ed., Pitman Publishing Co., 1998.
REFERENCES:
1. Raghavan.V., “Materials Science and Engineering”, Prentice Hall of India, 5th Ed., 2011.
2. Van Vlack.L.H., “Materials Science for Engineers”, Addison Wesley, 1985.