Subject Details
Dept     : MECH
Sem      : 3
Regul    : 2023
Faculty : Dr. G. Yuvaraj
phone  : 8870207350
E-mail  : yuvaraj.g.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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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
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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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Phase diagrams – eutectoid, eutectic, peritectic - peritectoid reactions
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Iron-Iron carbide equilibrium diagram
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Microstructure – Properties and applications
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Microstructural Elements
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Introduction to material selection and reliability
UNIT 3:
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Recrystallisation – Spheroidizing, Normalising- Hardening and Tempering of steel
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Introduction- Definition - Full annealing, Stress relief
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Effect of Heat Treatment
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Case hardening carburizing, Nitriding, Cyaniding and Carbo Nitriding
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Hardenability - Austempering-martempering
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Construction of TTT Diagrams & CCT diagrams
UNIT 4:
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Bearing alloys - Mg-alloys Titanium alloys.
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Precipitation strengthening treatment
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Cu alloys- Aluminium and Al-Cu
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HSLA - Maraging steels
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Effect of alloying additions on steel
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An Introduction to alloying elements