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Sathyabama Institute of Science and Technology B.E. - Aeronautical Engineering SAEA1201 Aircraft Materials Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING

SAEA1201 AIRCRAFT MATERIALS
L T P Credits Total Marks
3 0 0 3 100

UNIT 1 ELEMENTS OF AEROMATERIALS 9 Hrs.
Structure of solid materials – Atomic structure of materials – crystal structure – miller indices – density – packing factor –
space lattices – x-ray diffraction – imperfection in crystals – physical metallurgy – general requirements of materials for
aerospace applications.

UNIT 2 MECHANICAL BEHAVIOUR OF MATERIALS 9 Hrs.
Linear and nonlinear elastic properties – Yielding, strain hardening, fracture, Bauchinger’s effect – Notch effect testing and
flaw detection of materials and components – creep and fatigue – comparative study of metals, ceramics plastics and
composites.

UNIT 3 CORROSION & HEAT TREATMENT OF METALS AND ALLOYS 9 Hrs.
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.

UNIT 4 CERAMICS AND COMPOSITES 9 Hrs.
Introduction – powder metallurgy – modern ceramic materials – – 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, open and close mould processes.

UNIT 5 HIGH TEMPERATURE MATERIALS CHARACTERIZATION 9 Hrs.
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.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Understand the role of corrosion in Aircraft.
CO2 - Comprehend the sound foundation in the design principles of heat treatment processes.
CO3 - Knowledge in usage of composite materials in aircraft component design.
CO4 - Exposure to high temperature materials for space applications.
CO5 - Understand the principle and performance of Ceramics.
CO6 - Applying the importance of Materials in Aerospace.

TEXT / REFERENCE BOOKS
1. Titterton.G., “Aircraft Materials and Processes”, V Edition, Pitman Publishing Co., 2010.
2. Martin, J.W., “Engineering Materials, Their properties and Applications”, Wykedham Publications (London) Ltd., 2011.
3. Van Vlack.L.H., “Materials Science for Engineers”, Addison Wesley, 2011.
4. Raghavan.V., “Materials Science and Engineering”, Prentice Hall of India, New Delhi, 2012.
5. S.O.Kasap, Principles of Electronic Materials and Devices, Tata McGraw Hill Edition, New Delhi, 2013.
6. C. G. Krishnadas Nair “Handbook of Aircraft Materials” Interline, 1993.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Question of 2 marks each – No choice 20 Marks
PART B: 2 Questions from each unit of internal choice, each carrying 16 marks 80 Marks