PH8251 Materials Science Lecture Notes Syllabus Book Previous 2 13 15 Marks Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt

PH8251 Materials Science  Lecture Notes Syllabus Book Previous  2 13 15 Marks  Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt

PH8251 MATERIALS SCIENCE

UNIT I PHASE DIAGRAMS

 Solid solutions - Hume Rothery's rules – the phase rule - single component system - one-component system of iron - binary phase diagrams - isomorphous systems - the tie-line rule - the lever rule - application to isomorphous system - eutectic phase diagram - peritectic phase diagram - other invariant reactions – free energy composition curves for binary systems - microstructural change during cooling.

UNIT II FERROUS ALLOYS

 The iron-carbon equilibrium diagram - phases, invariant reactions - microstructure of slowly cooled steels - eutectoid steel, hypo and hypereutectoid steels - effect of alloying elements on the Fe-C system - diffusion in solids - Fick's laws - phase transformations - T-T-T-diagram for eutectoid steel – pearlitic, baintic and martensitic transformations - tempering of martensite – steels – stainless steels – cast irons.

 UNIT III MECHANICAL PROPERTIES
 Tensile test - plastic deformation mechanisms - slip and twinning - role of dislocations in slip - strengthening methods - strain hardening - refinement of the grain size - solid solution strengthening - precipitation hardening - creep resistance - creep curves - mechanisms of creep - creep-resistant materials - fracture - the Griffith criterion - critical stress intensity factor and its determination - fatigue failure - fatigue tests - methods of increasing fatigue life - hardness - Rockwell and Brinell hardness - Knoop and Vickers microhardness. 18

 UNIT IV MAGNETIC, DIELECTRIC AND SUPERCONDUCTING MATERIALS
  Ferromagnetism – domain theory – types of energy – hysteresis – hard and soft magnetic materials – ferrites - dielectric materials – types of polarization – Langevin-Debye equation – frequency effects on polarization - dielectric breakdown – insulating materials – Ferroelectric materials - superconducting materials and their properties.

 UNIT V NEW MATERIALS
Ceramics – types and applications – composites: classification, role of matrix and reinforcement, processing of fiber reinforced plastics – metallic glasses: types , glass forming ability of alloys, melt spinning process, applications - shape memory alloys: phases, shape memory effect, pseudoelastic effect, NiTi alloy, applications – nanomaterials: preparation (bottom up and top down approaches), properties and applications – carbon nanotubes: types.


TEXT BOOKS:
1. Balasubramaniam, R. ―Callister's Materials Science and Engineering‖. Wiley India Pvt. Ltd., 2014.
2. Raghavan, V. ―Physical Metallurgy: Principles and Practice‖. PHI Learning, 2015.
3. Raghavan, V. ―Materials Science and Engineering : A First course‖. PHI Learning, 2015.

REFERENCES 
1. Askeland, D. ―Materials Science and Engineering‖. Brooks/Cole, 2010.
2. Smith, W.F., Hashemi, J. & Prakash, R. ―Materials Science and Engineering‖. Tata McGraw Hill Education Pvt. Ltd., 2014.
3. Wahab, M.A. ―Solid State Physics: Structure and Properties of Materials‖. Narosa Publishing House, 2009.

PH8251 Materials Science  Lecture Notes Syllabus Book Previous  2 13 15 Marks  Anna University Important Question Bank With Answers Regulation 2017 Study Materials Pdf Ppt