Material Science for SPPU 19 Course (SE - III - Electrical - 203142) (Decode)

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Syllabus Material Science - (203142) Credits Examination Scheme [Marks] Th : 03 In Sem : 30 Marks PR : 02 End Sem : 70 Marks Term Work : 25 Marks Oral : 25 Marks Unit 01 : Dielectric Properties of Insulating Materials : Static Field, Parameters of Dielectric material [Dielectric constant, Dipole moment, Polarization, Polarizability], Introduction to Polar and Non - Polar dielectric materials. Mechanisms of Polarizations-Electronic, Ionic and Orientation Polarization (descriptive treatment only), Clausius Mossotti Equation, Piezo-Electric, Pyro-Electric & Ferro-Electric Materials, Dielectric loss and loss tangent, Concept of negative tan delta.(Chapter - 1) Unit 02 : A) Dielectric Breakdown : Introduction, Concept of Primary and Secondary Ionization of Gases (descriptive treatment only), Breakdown Voltage, Breakdown Strength, Factors affecting Breakdown Strengths of Solid, Liquid and Gaseous dielectric materials.(Chapter - 2) Unit 02 : B) Testing of Materials : Explanation of following with objectives, equipment required, circuit diagrams and observations to be taken. 1. Measurement of dielectric loss tangent (tan ) by Schering Bridge-IS 13585-1994. 2. Measurement of dielectric strength of solid insulating material-IS 2584. 3. Measurement of dielectric strength of liquid insulating material -IS 6798. 4. Measurement of dielectric strength of gaseous insulating material as per IS. (Chapter - 3) Unit 03 : Insulating Materials, Properties & Applications : Introduction, Characteristics of Good Insulating Material, Classification, Solid Insulating Materials-Paper, Press Board, Fibrous Materials, Ceramics, Mica, Asbestos, Resins, Liquid Insulating Materials such as Transformer Oil, Varnish, Askarel. Insulating Gases like Air, SF6. Insulating Materials for Power and Distribution Transformers, Rotating Machines, Capacitors, Cables, Line Insulators and Switchgears. (Chapter - 4) Unit 04 : Magnetic Materials : Introduction, Parameters of Magnetic material [Permeability, Magnetic Susceptibility, Magnetization], Classification of Magnetic Materials, Diamagnetism, Paramagnetism, Ferromagnetism, Ferri-magnetism, Ferro-magnetic behavior below Critical Temperature, Spontaneous Magnetization, Anti-ferromagnetism, Ferrites, Applications of Ferro magnetic Materials, Magnetic materials for Electric Devices such as Transformer Core, Core of Rotating Machines, Soft Magnetic Materials, Hard Magnetic Materials. (Chapter - 5) Unit 05 : Conducting Materials : General Properties of Conductor, Electrical Conducting Materials - Copper, Aluminum and its applications, Materials of High and Low Resistivity-Constantan, Nickel-Chromium Alloy, Tungsten, Kanthal, Silver and Silver alloys, Characteristics of Copper Alloys (Brass & Bronze), Electrical Carbon Materials. Materials used for Lamp Filaments, Solders, Metals and Alloys for different types of Thermal Bimetal and Thermocouples. (Chapter - 6) Unit 06 : Nanotechnology : Introduction, Concepts of Energy bands and various Conducting Mechanism in Nano-structures, Carbon Nano-structures, Carbon Molecules, Carbon Clusters, Carbon Nano-tubes and applications. Special Topics in Nano Technology such as Single Electron Transistor, Molecular Machines, BN Nanotubes, Nano wires. Nano materials used in Batteries, Photovoltaic Cells and in Supercapacitors. (Chapter - 7)

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Pages: 184 Edition: 2022 Vendors: Technical Publications