NUCLEATION KINETICS OF THE beta yields alphamTRANSFORMATION IN Ti-Ag AND Ti-Au ALLOYS. Plichta, M., R., Perepezko, J., H., Aaronson, H., I., & Lange, W., F. Acta Metallurgica, 28(8):1031-1040, 1980. Paper abstract bibtex Combining the thermal arrest duration and temperature with stereological measurements of alpha //m and beta microstructures, nucleation rates were obtained as a function of temperature and were successively assumed to be a result from grain face, grain edge or grain corner nucleation. Two categories of nucleus models were tested: (1) the Clemm-Fisher spherical cap models, wherein all interphase boundaries are disordered and have high, orientation-independent interfacial energies, and (2) coherent models for which all or most of the interphase boundary consists of partially or fully coherent interfaces. Calculations based on classical nucleation theory and available ancillary data demonstrated that the disordered boundary nucleus models predict nucleation rates that are thousands of orders of magnitude lower than the experimental rates. Conversely, similar calculations suggest that the coherent critical nuclei are viable even at grain faces.
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title = {NUCLEATION KINETICS OF THE beta yields alphamTRANSFORMATION IN Ti-Ag AND Ti-Au ALLOYS.},
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abstract = {Combining the thermal arrest duration and temperature with stereological measurements of alpha //m and beta microstructures, nucleation rates were obtained as a function of temperature and were successively assumed to be a result from grain face, grain edge or grain corner nucleation. Two categories of nucleus models were tested: (1) the Clemm-Fisher spherical cap models, wherein all interphase boundaries are disordered and have high, orientation-independent interfacial energies, and (2) coherent models for which all or most of the interphase boundary consists of partially or fully coherent interfaces. Calculations based on classical nucleation theory and available ancillary data demonstrated that the disordered boundary nucleus models predict nucleation rates that are thousands of orders of magnitude lower than the experimental rates. Conversely, similar calculations suggest that the coherent critical nuclei are viable even at grain faces.},
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author = {Plichta, M. R. and Perepezko, J. H. and Aaronson, H. I. and Lange, W. F.},
journal = {Acta Metallurgica},
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