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Precipitation kinetics of an Al-15%Mg alloy studied by microcalorimetry and TEM

Record type: Conference or Workshop Item (Paper)

The kinetics of beta prime formation from supersaturated Al-15mass%Mg solid solutions was studied by micro-calorimetry and transmission electron microscopy (TEM). It is shown that the transformation can not be described by the commonly used equation: d alfa / dt = f(alfa) k(T). The function f(alfa) is different at different temperatures. Apparent activation energies decrease with amount transformed from 1.07 eV to 0.7 eV. These findings are discussed in terms of overlapping of the nucleation and growth processes for beta prime.

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Citation

Starink, M.J. and Zahra, A.-M., (1996) Precipitation kinetics of an Al-15%Mg alloy studied by microcalorimetry and TEM Driver, J.H., Dubost, B., Durand, F, Fougeres, R., Guyot, P., Sainfort, P. and Suery, M. (eds.) In Aluminium Alloys: Their Physical and Mechanical Properties, Parts 1-3. Trans Tech., pp. 795-800.

More information

Published date: 1996
Additional Information: Series ISSN 0255-5476
Venue - Dates: 5th International Conference on Aluminium Alloys, Their Physical and Mechanical Properties (ICAA5), 1996-07-01 - 1996-07-01
Keywords: Al-Mg, precipitation, kinetics, calorimetry, activation energy

Identifiers

Local EPrints ID: 19104
URI: http://eprints.soton.ac.uk/id/eprint/19104
ISBN: 0878497323
PURE UUID: 7241c228-d5a5-42cc-9c20-46d1f933ed28

Catalogue record

Date deposited: 15 Dec 2005
Last modified: 17 Jul 2017 16:33

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Contributors

Author: M.J. Starink
Author: A.-M. Zahra
Editor: J.H. Driver
Editor: B. Dubost
Editor: F Durand
Editor: R. Fougeres
Editor: P. Guyot
Editor: P. Sainfort
Editor: M. Suery

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