Material Science Full Premium Lecture Notes

Material Science Full Premium Lecture Notes. Useful for Engineering Students, Specially for Candidates preparing for GATE Exams.

• Basics
• Bonds in material
• 1. Primary bond 
• 2. Secondary bond
• Primary bond
• 1. Ionic bond
• 2. Covalent bond 
• Secondary bonds
• 3. Metallic bond
• 4. Vender wall bond
• Structure of materials
• 1. Cubic cell
• 2. Tetragonal cell
• 3. Orthorhombic cell
• 4. Monoclinic cell
• 5. Hexagonal cell
• Miller indices
• Structure of monoclinic solids and defects
• Shottky defects
• Interstitical effect
• Frankel defect
• Substitutional defect
• Classification of material in material science point of view
• 1. Metals and alloy
• 2. Ceramics
• 1. Magnetite
• 2. Cu2o
• 3. Sic
• Application
• 1. Thermistor
• 2. Rectifier
• 3. Variable resistor and rectifier
• Organic polymer
• Composite material
• Classification of material in electrical engg point of view
• 1. Conductors
• 2. Dielectrical material
• 3. Magnetic material
• 4. Semi-conductors
• Property of material
• 1. Mechanical property
• 2. Thermal property
• 3. Electric property
• 4. Magnetic property
• 5. Physical property
• 6. Chemical property
• 7. Optical property
• 8. Aconstical property
• Static field
• a. Microscopic
• b. Macroscopic
• Coulombs force law
• Electric dipole
• Dielectric material
• Isotropic medium
• Non-isotropic medium
• Mechanism of polarization or types of polarization
• 1. Electronic or induced polarization
• 2. Ionic polarization
• 3. Oriental polarization
• 4. Interfacial or space-charge polarization
• Static dielectric constant of solids and liquid
• 1. Elemental solid dielectrics
• 2. Ionic non-polar solid dielectrics
• 3. Polar solid dielectric
• Electrostriction
• Inverse effect
• Application
• 1. Gramophone
• 2. Air transducers
• 3. Accelerometers
• 4. Ultrasonic flow detector
• 5. Under water (sonar transducers)
• 6. Filter, resonators etc
• Pyroelectric effect
• Ferro electric materials
• Antiferro electricity
• DIELECTRIC PROPERTIES OF INSULATORS IN ALTERNATING FIELDS
• Capacitors of high frequency
• Electronic polarization at high frequency
• Clausius mosotti equation for non-polar solids at high frequency
• Orientational polarization at high frequency 
• MAGNETIC MATERIALS
• 1. Biot savart law
• Magnetic dipole moment
• Magnetic material and magnetization
• Classification of magnetic materials
• 1. Diamagnetic material
• 2. Paramagnetic materials
• 3. Ferro magnetic materials
• Magnetic anisotropic
• Magnetostriction
• Villari effect
• 4. Anti-ferromagnetic materials
• 5. Ferromagnetic materials
• General electric and magnetic properties of ferrites
• Application of ferrites
• Hard magnetic materials
• 1. High permeability
• 2. High coercive force
• 3. The remanant flux density must be high
• 4. High curie temperature to minimize the easy demagnetization
• 5. Low cost
• CONDUCTIVE MATERIALS
• De Broglie 
• Joules law
• Factors affecting resistivity of conducting materials
• Change of resistivity with different parameters
• 1. Change of row due to temperature
• 2. Change of row to alloying
• 3. Change of row to cold work
• a. Hard drawn
• b. Annealing
• c. Super conductivity
• d. Affect of magnetic field on superconductivity
• Flux exclusion
• Soft super conductors
• Hard super conductors
• Effect of different parameters on super conducting materials
• 1. Frequency effect
• 2. Isotope effect