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JNTU 2007-08 II Year I Sem. B. Tech. MMT- Metallurgical Thermodynamics and Kinetics
Posted Date: 21 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: India Member Level: Diamond
Rating:  Points: 1
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
II Year B.Tech. MMT I Sem T P C
4+1* 0 4
METALLURGICAL THERMODYNAMICS AND KINETICS
UNIT-I
Objectives and limitations to thermodynamics, concepts of system and state, heterogeneous and homogeneous systems, extensive and intensive properties of system, thermodynamic variables, thermodynamic equilibrium. Reversible and irreversible processes.
First Law of thermodynamics:
Nature of first law, relationship between heat and work, internal energy and the first law of thermodynamics, calculations of work, constant capacity, reversible adiabatic processes, reversible isothermal pressure or volume changes of an ideal gas, enthalpy change with temperature, Kirchoff’s equation.
UNIT-II
Second law of thermodynamics: Efficiency of a cyclic process, Carnot cylce,carnot therom, second law of thermodynamics,concept of entropy, entropy and quantification of irreversibility, reversible processes.
Third law of thermodynamics: Background of thrid law deductions from third law, applications of third law, and other methods of obtaining ?S0 for a reaction.
UNIT-III
Free energy functions: Purposes of the new functions, definition of Helmholtz and Gibbs free energy change, meaning of thermodynamically possible process, determination of ?G from thermal data useful relationships between free energies and other thermodynamic functions, Maxwell’s equation and Gibbs-Helmholtz equation.
Fugacity, activity and equilibrium constant: Concepts of fugacity, activity and equilibrium constant variation of the equilibrium constant with temperature, Tabular methods of recording thermodynamic data, sigma functions.
UNIT-IV
Claussius – Clapeyron equation: Introduction, derivation of the Claussius – Clapeyron equation for single substance, Duhriges rule for the estimation of the vapour pressures of an element, Intergarion of Claussius – Clapeyron equation.
UNIT-V
DIFFUSION: Ficks law of diffusion and its application, Kirkendal effect. self-diffusion in pure metals, Temperature dependence of the diffusion coefficient, diffusion along the grain boundaries and surfaces.
UNIT-VI
ELLINGHAM DIAGRAMS: Introduction, calculation of equilibrium constants from standard free energy changes, general description of Ellingham diagrams, Interpretation of two or more free energy change Vs. temperature lines taken together, derivation and uses of the oxygen, nomographic scale in Richardsons
diagrams.
UNIT-VII
SOLUTIONS: Composition, partial molal quantities, ideal solutions, Raoults Law, actual (Nonideal) solutions, Sieverts law, Gibb's - Duhem equation, integration of Gibbs' - Duhem equation, Excess thermodynamics quantities
UNIT-VIII
Kinetics: Kinetics of chemical process, Molecularity and order of a reaction, zero order reactions, first order, second order reactions, Determination of order of reaction, collision theory, theory of abosolute reaction rates, consecutives and simultaneous reactions, catalysis in chemical reactions.
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| Author: India 21 Dec 2007 | Member Level: Diamond Points : 5 | TEXT BOOK:
1. Introduction to Metallurgical Thermodynamics – D.R. Gaskell
REFERENCES:
1. Physical chemistry for Metallurgists – J. Mackowick
2. Thermodynamics of solids-R.S.Swalin
3. Physical chemistry of metals-L.S.Darken & Gurry
4. Physical Metallurgy Priniciples – RH Reed hill.
5. Fundamentals of thermodynamics-Sonntag et al
6. An Introduction to thermodynamics-Y.V.C.Rao
7. Fundamentals of Enginering- M.J.Morax & H.N.Shapiro.
8. Text Book of Materials and Metallurgical Thermodynamics: Ahindra Ghosh (PHI)
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