STRUCTURE
OF
SOLIDS
INSTRUCTOR
ANIL BABU SANKURU
DEPT. OF MECHANICAL
ENGINEERING
BASIC CONCEPTS
STUCTURE OF MATERIALS
SPACE LATTICE
UNIT CELL
CRYSTAL SYSTEMS & BRAVAIS LATTICES
CRYSTAL STUCTURE OF METALS
AVERAGE NUMBER OF ATOMS ()
CO-ORDINATION NUMBER
A
HEAT TREATMENT OF
STEEL
HEAT TREATMENT
A combination of heating and cooling
operations, times and applied to a metal or
alloy in the solid state in a way that will
produce desired properties
It is an operation or combination of operations
of heating and
Surface Hardening
Need
Application like gears, camshaft, crankshaft
require hard and wear resistant surface with tough
core to withstand impact loads.
Difficult to meet by steel of uniform composition
Such problems can be solved by
1. Increase the carb
