Hume- Rothery theory - Phase rule, lever rule, Free energy of phase mixture Lecture, Unary systems, Effect of pressure on phase diagrams, Phase Diagrams of Binary, Eutectic, Eutectoid, peritectic, peritectoid systems, Iron carbon equilibrium diagram
Properties, Compositions and uses of Grey cast iron, Malleable iron, SG iron and steel, Properties, Compositions and uses of Aluminium, Copper, Titanium, and Magnesium alloys. Properties of ceramic materials – Al2O3, SiC, Composite materials – Types, Manufacturing Properties and applications UNIT
Prope Mechanical Properties - Stress-strain diagrams of metallic, ceramic and polymeric materials, modulus of elasticity, yield strength, tensile strength, toughness, elongation, plastic deformation, viscoelasticity, hardness, impact strength, creep, fatigue, ductile and brittle fracture. Thermal Properties - Heat capacity, thermal conductivity, thermal expansion of materials. Environmental Degradation - Corrosion and oxidation of materials, prevention
Introduction; Indentation hardness testing: Brinell, Rockwell, Meyer, Vicker and Knoop hardness testing. Meyer’s law. Micro- and nano-hardness testing. Impact testing with Charpy and Izod specimens. Drop weight testing. Fatigue and creep testing. NDE Methods – Visual, liquid penetrant testing, magnetic particle testing, ultrasonic testing, Eddy current testin
Classical free electron theory - Expression for electrical conductivity – Thermal conductivity,expression - Quantum free electron theory :Tunneling – degenerate states – Fermi- Dirac Statistics – Density of energy states – Electron in periodic potential – Energy bands in solids – tight binding approximation - Electron effective mass – concept of hole. Magnetic materials: Dia, paraand ferromagnetic effects – paramagnetism in the conduction electrons in metals – exchange interaction and ferromagnetism
Reference Book:
Dieter George E. Mechanical Metallurgy, Mc-Graw-Hill Book Company (SI ed.) (1989). (Unit I,II,III, IV,V) Suryanarayana C. Experimental Techniques in Materials and Mechanics, CRC Press (1980). (Unit I,II&III) Roesler J. H., Harders, and Baeker M., "Mechanical Behaviour of Engineering Materials: Metals, Ceramics, Polymers, and Composites", Springer-Verlag, (2007). (Unit IV&V) S. Chand Publishing, 2008 - Technology & Engineering (Unit I and V)
Text Book:
Callister, W.D., Materials Science & Engineering: An Introduction, Wiley & Sons (2001). (Unit I, II, III, IV, V) Smith, W., Principles of Materials Science and Engineering. McGraw Hill (1990). (Unit I, II, III, IV, V)