ELECTRICAL ENGINEERING MATERIALS SYLLABUS

UNIT I: Conductors
Classification: High conductivity, high resistivity materials, fundamental requirements of
high conductivity materials and high resistivity materials, mobility of electron in metals,
commonly used high conducting materials, copper, aluminum, bronze brass, properties,
characteristics, constantan, platinum, nichrome, properties, characteristics and applications,
materials used for contacts.
UNIT II: Semi-Conductors
General concepts, energy bands, types of semiconductors, Fermi Dirac distribution, intrinsic
Semi-conductors, extrinsic Semi-conductors, hall effect, drift, mobility, diffusion in Semiconductors,
Semi-conductors and their applications, superconductors.
UNIT III: Dielectrics And Insulators
Properties of gaseous, liquid and solid dielectric, dielectric as a field medium, electric
conduction in gaseous, liquid and solid dielectric, breakdown in dielectric materials,
mechanical and electrical properties of dielectric materials, effect of temperature on dielectric
materials, polarization, loss angle and dielectric loss, petroleum based insulating oils,
transformer oil, capacitor oils, properties, solid electrical insulating materials, fibrous, paper
boards, yarns, cloth tapes, sleeving wood, impregnation, plastics, filling and bounding
materials, fibrous, film, mica, rubber, mica based materials, ceramic materials, classification
of insulation ( solid) and application in AC and DC machines.
UNIT IV: Magnetic Materials
Soft and hard magnetic materials, diamagnetic, paramagnetic and ferromagnetic materials,
electric steel, sheet steel, cold rolled grain oriented silicon steel, hot rolled grain oriented
silicon steel, hot rolled silicon steel sheet, hystersis loop, hystersis loss, magnetic
susceptibility, coercive force, curie temperature, magneto-striction.
UNIT V: Optical Properties of Solids
Photo emission, photo emission materials, electro luminescence junction diode, photo
emitters, photo transistor, photo resistors, injunction lasers, optical properties of
semiconductors, application of photo sensitive materials (CRT, Tube light, photo panels etc.).
Text Books:
1. “Electrical Engineering Materials”,Dekker,PHI Pbs.
2. “Electrical Engineering Materials”, Indulkar,S.Chand
Reference Books:
1. “Electrical Engineering Materials”, Tareev
2. “Electrical Engineering Materials”, Yu. Koritsky.
3. “Electrical Engineering Materials”, R.K.Rajput, Laxmi Pbs.