Comments on: ‘Calorimetric study of 6061-Al–15vol.% SiCw PM composites extruded at different temperatures’ by A. Borrego, G. González-Doncel, Mater. Sci. Eng. A 245 (1998) 10
Comments on: ‘Calorimetric study of 6061-Al–15vol.% SiCw PM composites extruded at different temperatures’ by A. Borrego, G. González-Doncel, Mater. Sci. Eng. A 245 (1998) 10
In this contribution, the ?? and ?? phase precipitation rates in a 6061 (Al–Si–Mg) alloy, as measured by differential scanning calorimetry (DSC), are fitted employing the Starink–Zahra (SZ) model. Similar to precipitation reactions in a large number of other alloys, the SZ model fits the DSC data on 6061 close to perfectly. The distinctive elements of the SZ model, i.e. its treatment of nucleation rates, impingement and temperature-dependent solubility, are discussed and contrasted with other models.
differential scanning calorimetry, precipitation rates, Al alloy 6061, nucleation, JMA, JMAK, Avrami exponent, ativation energy
288-291
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
2000
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
Starink, M.J.
(2000)
Comments on: ‘Calorimetric study of 6061-Al–15vol.% SiCw PM composites extruded at different temperatures’ by A. Borrego, G. González-Doncel, Mater. Sci. Eng. A 245 (1998) 10.
Materials Science and Engineering: A, 276 (1-2), .
(doi:10.1016/S0921-5093(99)00523-7).
Abstract
In this contribution, the ?? and ?? phase precipitation rates in a 6061 (Al–Si–Mg) alloy, as measured by differential scanning calorimetry (DSC), are fitted employing the Starink–Zahra (SZ) model. Similar to precipitation reactions in a large number of other alloys, the SZ model fits the DSC data on 6061 close to perfectly. The distinctive elements of the SZ model, i.e. its treatment of nucleation rates, impingement and temperature-dependent solubility, are discussed and contrasted with other models.
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Published date: 2000
Keywords:
differential scanning calorimetry, precipitation rates, Al alloy 6061, nucleation, JMA, JMAK, Avrami exponent, ativation energy
Organisations:
Engineering Sciences
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Local EPrints ID: 21667
URI: http://eprints.soton.ac.uk/id/eprint/21667
ISSN: 0921-5093
PURE UUID: d2b29b8f-3ebe-4fdd-8de0-92c5ed4a1add
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Date deposited: 05 Feb 2007
Last modified: 15 Mar 2024 06:31
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