Raghavan, S and Singh, Gaurav and Sondhi, Sanjay and Srikanth, S (2012) Construction of a pseudo-binaryphasediagram for multi-componentNi-base superalloys. Calphad, 38 . pp. 85-91.
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A novel method for the representation of multi-component thermodynamics through a pseudo-binary system without any major assumption is presented. Pseudobinary phasediagrams have been constructed for three representative Ni-basesuperalloys. Expressions for the Gibbs energy of the different phases as a function of the pseudo-binary composition and temperature have been derived. The information derived from the pseudo-binaryphasediagrams and Gibbs energy of the various phases represented through pseudo-binary compositions is applied to (a) solidification calculations for determination of dendrite arm spacing using cellular automata model and (b) phase field calculations.
|Uncontrolled Keywords:||Pseudo-binary model; Ni-based superalloys; Cellular automaton; Phase field|
|Deposited By:||Dr. A K Sahu|
|Deposited On:||25 Jun 2012 12:56|
|Last Modified:||25 Jun 2012 12:56|
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