Calorimetric Studies of Dissolution Kinetics of Ni2(Cr,Mo) Phase in Ni-Cr-Mo Alloys Using Non-Isothermal Approach |
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| Journal | Defect and Diffusion Forum (Volume 279) |
|---|---|
| Volume | Phase Transformation and Diffusion |
| Edited by | G. B. Kale, M. Sundararaman, G. K. Dey and G. P. Tiwari |
| Pages | 111-116 |
| DOI | 10.4028/www.scientific.net/DDF.279.111 |
| Citation | H.C. Pai et al., 2008, Defect and Diffusion Forum, 279, 111 |
| Online since | August, 2008 |
| Authors | H.C. Pai, Bikas C. Maji, A. Biswas, Madangopal Krishnan, M. Sundararaman |
| Keywords | Activation Energy, Dissolution Kinetics, Dye Sensitized Solar Cell, Ni2(Cr,Mo) Phase, Ni-Cr-Mo Alloy |
| Abstract | The kinetics of dissolution of ordered phase with Pt2Mo structure has been studied in two nickel chromium alloys – one without molybdenum and another with molybdenum - using differential scanning calorimetry. The activation energy for dissolution, determined using three nonisothermal approaches was found to be ~ 418 kJ /mole for both the alloys. This value agreed very well with the activation energy for coarsening of g″ precipitates in Ni-Cr-Mo matrix and is close to activation energy for mobility of chromium and molybdenum in complex nickel alloy matrix. |
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