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2007-08
JAWARHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
II Year B.Tech. AME I Semester T P C
4+1* 0 4
METALLURGY AND MATERIAL SCIENCE
UNIT – I
Structure of Metals : Bonds in Solids – Metallic bond - crystallization of metals, grain and grain
boundaries, effect of grain boundaries on the properties of metal / alloys – determination of grain size.
UNIT - II
Constitution of Alloys : Necessity of alloying, types of solid solutions, Hume Rotherys rules, intermediate
alloy phases, and electron compounds.
UNIT -III
Equilibrium of Diagrams : Experimental methods of construction of equilibrium diagrams, Isomorphous
alloy systems, equilibrium cooling and heating of alloys, Lever rule, coring miscibility gaps, eutectic
systems, congruent melting intermediate phases, peritectic reaction. Transformations in the solid state –
allotropy, eutectoid, peritectoid reactions, phase rule, relationship between equilibrium diagrams and
properties of alloys. Study of important binary phase diagrams of Cu-Ni-, Al-Cu, Bi-Cd, Cu-An, Cus-Sn
and Fe-Fe3C.
UNIT -IV
Cast Irons and Steels : Structure and properties of White Cast iron, Malleable Cast iron, grey cast iron,
Spheriodal graphite cast iron, Alloy cast irons. Classification of steels, structure and properties of plain
carbon steels, Low alloy steels, Hadfield manganese steels, tool and die steels.
UNIT – V
Heat treatment of Alloys : Effect of alloying elements on Fe-Fe3C system, Annealing, normalizing,
Hardening, TTT diagrams, tempering , Hardenability, surface - hardening methods, Age hardening treatment,
Cryogenic treatment of alloys.
UNIT - VI
Non-ferrous Metals and Alloys : Structure and properties of copper and its alloys, Aluminium and its
alloys, Titanium and its alloys.
UNIT – VII
Ceramic materials : Crystalline ceramics, glasses, cermaets, abrasive materials, nanomaterials –
definition, properties and applications of the above.
UNIT - VIII
Composite materials : Classification of composites, various methods of component manufacture of
composites, particle – reinforced materials, fiber reinforced materials, metal ceramic mixtures, metal –
matrix composites and C – C composites.
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