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Precipitation Behavior of Melt Spun Mg-1.5wt%Ca-6wt%Zn Alloys

Published online by Cambridge University Press:  02 July 2020

P.M. Jardim ,
I.G. Solórzano ,
J.B. Vander Sande  and
B.S You
P.M. Jardim
Affiliation:
Department of Material Science and Metallurgy, PUC-Rio, C.P.38008 - Gávea, 22452, Brasil
I.G. Solórzano
Affiliation:
Department of Material Science and Metallurgy, PUC-Rio, C.P.38008 - Gávea, 22452, Brasil
J.B. Vander Sande
Affiliation:
Department of Material Science and Metallurgy, PUC-Rio, C.P.38008 - Gávea, 22452, Brasil
B.S You
Affiliation:
Department of Material Science and Metallurgy, PUC-Rio, C.P.38008 - Gávea, 22452, Brasil
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Extract

For over five decades considerable attention has been given to magnesium-based alloys, primarily from the physical metallurgy point of view. The driving force for this effort has been the potential applications of Mg alloys in light weight structural components, namely in the automotive and aircraft industries. However, the processing of these alloys through conventional casting technologies have not succeed in reaching a high level of formability and ductility while preserving high specific strength. The combination of rapid solidification and consolidation techniques has arisen as a promising approach to overcome these limitations[l,2]. On the other hand, rapid solidification technologies are opening a wide field for fundamental studies, since different sets of thermodynamic (stability), kinetic and structural conditions are established to control a variety of solid-state phase transformations. The present work reports the applications of electron microscopy techniques to the characterization of the precipitation behavior in the rapidly solidified Mg-based alloys we are investigating.

Type
Phase Transformations
Information
Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 344 - 345
Copyright
Copyright © Microscopy Society of America

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References

1.Vostrý, P., Stulíková, I., Smola, B., Riehemann, W. and Mordike, B.L., Mater. Sci. Eng., A137, 87 (1991)CrossRefGoogle Scholar
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3.Tsai, A.P., Kamiyama, T., Kawamura, Y., AInoue, and Masumoto, T., Acta Mater. Vol. 45, No.4, 1477 (1997)CrossRefGoogle Scholar
4. The authors acknowledge the support of the Korea Institute of Machinery & Materials and access to the experimentalfacilities within the CMSE at MIT. P.M. Jardim is grateful to CAPES (Brazil) for a scholarship grant.Google Scholar