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


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), 288-291. (doi:10.1016/S0921-5093(99)00523-7).

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Description/Abstract

In this contribution, the β″ and β′ 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.

Item Type: Article
ISSNs: 0921-5093 (print)
Related URLs:
Keywords: differential scanning calorimetry, precipitation rates, Al alloy 6061, nucleation, JMA, JMAK, Avrami exponent, ativation energy
Subjects: T Technology > TN Mining engineering. Metallurgy
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 21667
Date Deposited: 05 Feb 2007
Last Modified: 27 Mar 2014 18:11
URI: http://eprints.soton.ac.uk/id/eprint/21667

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