A TEM study of precipitation in Al-Mg-Si alloys

Yao, J. Y., Graham, D. A., Rinderer, B. and Couper, M. J. (2001) A TEM study of precipitation in Al-Mg-Si alloys. Micron, 32 8: 865-870.


Author Yao, J. Y.
Graham, D. A.
Rinderer, B.
Couper, M. J.
Title A TEM study of precipitation in Al-Mg-Si alloys
Journal name Micron   Check publisher's open access policy
ISSN 0968-4328
Publication date 2001
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/S0968-4328(00)00095-0
Volume 32
Issue 8
Start page 865
End page 870
Total pages 6
Place of publication Oxford
Publisher Pergamon-elsevier Science Ltd
Language eng
Subject 291403 Alloy Materials
Abstract A set of extrusion samples of Al-Si-Mg alloys (0.5 wt%Mg and 0.3-0.8 wt%Si) were, respectively, T1- and T4-heat-treated. Differential scanning calorimetry (DSC) was used to heat the samples to particular temperatures to promote the formation of precipitates for study by transmission electron microscopy (TEM). It was found that, apart from beta ", beta', and B', there were many precipitates showing rectangular lattices when viewed along the long axes of the precipitates. It is considered that the residual stresses (or dislocations) in the extrusion after the TI-treatment facilitated the nucleation and growth of the precipitates during the heating in the DSC. (C) 2001 Elsevier Science Ltd. All rights reserved.
Keyword Microscopy
TEM
Al-Mg-Si
precipitation
extrusion
heat-treatment
Aluminum
Behavior
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Excellence in Research Australia (ERA) - Collection
School of Mechanical & Mining Engineering Publications
 
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