i

Title of the course

MM 319 :  Mechanical Behaviour of Materials

ii

Credit structure

L          T          P          C

3           1          0           8

iii

Pre-requisite, if any

iv

Course content

Dislocations: Yield strength of a perfect crystal, Properties of dislocations, dislocation interactions. Plastic deformation in single and polycrystalline materials: Plastic flow in single crystals, Stress-strain behavior of single crystals, Plastic flow in polycrystals, geometrically necessary dislocations. Strengthening of crystalline materials: Work hardening, boundary strengthening, Solid-solution strengthening, particle hardening, microstructure and processing. High-temperature deformation of crystalline materials: Creep mechanisms, deformation mechanism maps, materials aspects of creep design, Engineering estimates of creep. Fracture: Fracture modes, fracture mechanics, fracture mechanism maps, toughening in ceramics. Fatigue of engineering materials: Fatigue fracture, evaluation of fatigue resistance, fatigue-crack growth rates, cyclic stress-strain behavior. Examples from ceramics, composites, and polymers.

v

Texts/References

T.H. Courtney, Mechanical Behavior of Materials, McGraw-Hill, 2000.

G.E. Dieter, Mechanical Metallurgy, 2^nd Ed., McGraw-Hill, New York, 1988.

R.W. Hertzberg, Deformation and Fracture Mechanics of Engineering Materials, 4^th Ed., John Wiley, New York, 1996.

M.A. Meyers and K.K. Chawla, Mechanical Behavior of Materials, Prentice-Hall, New Jersey, 1999.

vi

Instructor(s) name

Prof. Prita Pant