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Subject Details
Dept     : MECH
Sem      : 3
Regul    : R2023
Faculty : Mr.B.Karthick
phone  : NIL
E-mail  : pc.mech@snsct.org
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Lecture Notes

UNIT 1:
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Mechanisms of plastic deformation-slip and twinning.
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Types of fracture.
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Testing of materials under tension, compression and shear loads.
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Hardness tests-Brinell, Vickers and Rockwell
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Impact test - lzod and Charpy
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Fatigue failure Creep Failure Mechanism
UNIT 2:
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Constitution of alloys–Solid solutions- substitution, Interstitial solid solutions
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Iron-Iron carbide equilibrium diagram
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Microstructure – Properties and applications
UNIT 3:
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Recrystallisation – Spheroidizing, Normalising- Hardening and Tempering of steel
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Construction of TTT Diagrams & CCT diagrams
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Hardenability - Austempering-martempering
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Case hardening carburizing, Nitriding, Cyaniding and Carbo Nitriding
UNIT 4:
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Effect of alloying additions on steel
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HSLA - Maraging steels
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Cu alloys- Aluminium and Al-Cu
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Bearing alloys - Mg-alloys Titanium alloys.
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Bearing alloys - Mg-alloys Titanium alloys.
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Bearing alloys - Mg-alloys Titanium alloys.
UNIT 5:
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Polymers – types of polymer-commodity and engineering polymers
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Properties and applications of various thermosetting and thermoplastic polymers (PP, PS, PVC, PMMA, PET)
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Properties and applications of various thermosetting and thermoplastic polymers (PPO, PEEK, PTFE, ABS)
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Polymers - Urea and Phenol formaldehydes