235. Material Sc. and Engg. MAterials

FIRST TERM:
1. Atomic Bonding: 
	Inter atomic attraction and repulsion, bond length, bond energy, 
	Ionic, covalent, metallic and vanderwall bonding, 
	effect of type of bonding on properties of materials.	-4 Lects.

2. CrystaI structure.s and Geometry: 
	Space lattice, unit cell, crystal system, crystalline solids, 
	structure of metallic; ionic and molecular crystals, atomic packing factor, 
	density, co-ordination number, Miller notation of crystal directions and. 
	crystal planes, Imperfection in cry stal edge and screw dislocations.	-6 Lects.

3. Electrical properties of Materials: 
	Energy band model for electrical conduction, Intrinsic semiconductors, 
	Extrinsic semiconductors, superconductors.	-5 Lects.

4. Magnetic Properties:
	Permeability, effect of temperature on magnetisation, 
	B-H curve, magnetic dornains.   -4 Lects.

5. Mechanical properties of metals:   
	Plastic deformation of single crystals and polycrystalline metals, 
	solid solution,. strengthening, Fractures of metals, 
	Fatigue and creep of metals.	-6 Lects.



SECOND TERM:

1. Alloy constitution: 
	Principles of alloy formation, Eutectic, solid solution and 
	intermetallic compounds, thermal equilibr,ium.,. 
	diagrams of binary systems involving eutectic and peritectic reactions.	-5 Lects

2. Iron and its alloy: 
	Iron carbon equilibrium diagram, allotropy of iron, plain carbon steels, 
	effects of adding alloying elements in plain carbon steels, Ni-steels, Cr-steels, 
	Ni-Cr steels, wear resisting and high speed steel, 
	structures of gray and white cast iron.			-5 lects.

3. Non-Ferrous alloys:
	Copper Base alloys: Copper-Zink, Copper-Tin, Copper-Alluminium and 
	copper Nickel alloys.            -3 Lects.

	Aluminium base alloys: Wrought and Cast alloy, 
	Age hardenable alloys.			-2 Lects.

	Bearing alloys: 
	Requirements of bearing alloys, fulfilrnent of above: 
	requirements, copper-base, tin-base and lead-base bearing alloys, 
	super alloys.  		-2 lects

.4. Ceramics: 
	Classification1 structures of ceramics, structures and composition of glasses,
	mechanical properties of ceramic phases.	-3 lects.


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