MS (EE) 301-ELECTRICAL ENGINEERING MATERIALS |
Conductive materials: |
General properties and specifications of conductor materials; free electron theory
of Metals, Relaxation time, collision time and mean free path, joule’s law, factors affecting resistively.
Thermal conductivity of metals-Wiedemann Franz law, Properties of high conductive materials (Copper,
Brass, Bronzes, and Aluminum), Conductor-bimetals: solders, Materials of high resistively; alloys for use
in electrical resistance, precision electrical measuring instruments, arc lamps and electric furnaces.
Different types of fuses, fusing current and fuse ratings, materials used for highly loaded metal contacts.
Electrical carbon materials: characteristics of different carbon brushes and graphite brushes,
Superconductivity.
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Insulating materials: |
General properties of insulating materials (structure, composition). Dielectric gases.
Liquid insulating materials. Solid insulating materials, insulating materials for electrical devices. Insulation
measurement (Electric strength of liquid) Thermal classification of insulating material.
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Magnetic Materials: |
Magnetic parameters (Permeability, magnetic susceptibility, Magnetic moment,
Magnetization, ). Classification of magnetic materials, Ferromagnetic behavior below critical Temperature,
Spontaneous Magnetism and Weiss Theory of Ferromagnetism, Ferromagnetic Materials at high
temperature, Spontaneous magnetization, cyclic magnetization, magnetic anisotropy and magnetostriction.
Antiferromagnetism, Ferromagnetic material, Magnetic materials for electrical devices, Soft magnetic
materials, Hard magnetic material.
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Dielectrics: |
Different types of dielectric materials and their classification, dielectric as an electric field
medium.
Dielectric properties of insulators in static fields: Dielectric parameters, mechanism of polarization, ionic
polarization, orientational polarization, internal field in solids and liquids, the Clausius Mosotti equation,
Ferroelectric material and their application, classification of ferroelectric material, antiferroelectricity,
piezoelectricity.
Dielectric properties of insulators in alternating fields: Complex permittivity, Electronic polarizability,
frequency dependence of ionic polarization, complex dielectric constant of non polar solids, Dielectric
losses, Equivalent circuits.
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Materials for direct Energy conversion devices: |
Solar cells, MHD generations, Fuel cells, thermoelectric
generator, Thermo ionic converters.
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Text Books |
1. A course in Electrical Engineering Materils, S.P. Seth, P.V. Gupta, Dhanpat Rai & Sons.
2. Electrical Engineering Materials, A.J. Dekker, PHI. |
Text Books |
1. Materials Science for Electrical & Electronics Engineers, Ian P. Jones, Oxford
2. Electrical Properties of Materials, L. Solymar & D. Walsh, Oxford
3. Introduction to material science for engineers, J.K. Shackelford & M.K. Muralidhara, Pearson
Education. |
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