Phase Transformations

Course Name: 

Phase Transformations (MT411)

Programme: 

B.Tech (MME)

Semester: 

Eighth

Category: 

Programme Specific Electives (PSE)

Credits (L-T-P): 

(3-0-0) 3

Course Outcomes: 

CO 1: Importance of phase transformation in metals and alloys to assess the properties
CO 2: Importance of phase transformation in designing of materials
CO 3: To identify the microstructure and phases

Course modules and teaching hours: 

Module 1: (08 hours)
Thermodynamic concepts, homogeneous and heterogeneous transformation, nucleation and growth, growth kinetics, Johnson-Mehl and Avrami models

Module 2: (12 hours)
precipitation hardening, modern theories of precipitation hardening, crystallography and morphology of precipitates, typical age hardeningalloys, martensitic transformation, morphological features, crystallographic features, kinetic features, phenomenological theories of martensitic transformation, martensitic transformation in-Tl, Fe-Ni and Fe-C alloys, pearlitic transformation

Module 3: (10 hours)
Order-disorder transformation, short range order, long range order, degree of order, experimental methods to study ordering, dependence of order parameter on temperature, change of property with ordering, recovery, recrystallization and grain growth, secondary recrystallization

Module 4: (06 hours)
Anelasticity and internal friction, thermo-elastic effect, interstitial diffusion, Snoek effect, Kahn's torsionpendulum, relaxationtime, measurement of damping capacity

References: 

R. E. Reed-Hill and R. Abbaschian, Physical Metallurgy Principles, PWS Publishing Co., 1994
V. Raghavan, Solid State Phase Transformations, Prentice Hall of India Pvt. Ltd, 1987
D. A. Porter and K. E. Easterling, Phase Transformation in Metals and Alloys, Chapman and Hall, 1992

Department: 

Metallurgical and Materials Engineering

Total teaching hours: 

36
 

Contact us

Prof. K. Narayan Prabhu, Head
Department of MME, NITK, Surathkal
P. O. Srinivasnagar, Mangaluru - 575 025
Karnataka, India.
  • Hot line: +91-0824-2473050