Fabrication of Porous and Nanoporous Aluminum via Selective Dissolution of Al-Zn Alloys
Joint Authors
Suárez, Oscar Marcelo
Estremera, Elvin G.
Soler, Rafael
Declet, Amarilis
Hernández-Maldonado, Arturo J.
Source
Advances in Materials Science and Engineering
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-08-24
Country of Publication
Egypt
No. of Pages
6
Abstract EN
Porous and nanoporous aluminum have been fabricated via selective dissolution.
Al-Zn alloys were dealloyed in an aqueous solution of nitric acid to selectively dissolve zinc.
Fast solidification methods permitted to adjust the precursor microstructure of the parent alloy in order to induce supersaturation of zinc in aluminum.
An electric potential applied during corrosion affected the final morphology of porosity.
Electronic imaging evinced the presence of regions with less than 100 nm diameter pores.
This nanoporosity was only present in electrochemically dealloyed samples.
We observed two types of porosity in dealloyed samples: a primary porosity resulting from the selective removal of zinc-rich interdendritic phases and a secondary porosity resulting from nanoporosity evolution inside zinc-supersaturated dendrites.
American Psychological Association (APA)
Suárez, Oscar Marcelo& Estremera, Elvin G.& Soler, Rafael& Declet, Amarilis& Hernández-Maldonado, Arturo J.. 2014. Fabrication of Porous and Nanoporous Aluminum via Selective Dissolution of Al-Zn Alloys. Advances in Materials Science and Engineering،Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1015920
Modern Language Association (MLA)
Suárez, Oscar Marcelo…[et al.]. Fabrication of Porous and Nanoporous Aluminum via Selective Dissolution of Al-Zn Alloys. Advances in Materials Science and Engineering No. 2014 (2014), pp.1-6.
https://search.emarefa.net/detail/BIM-1015920
American Medical Association (AMA)
Suárez, Oscar Marcelo& Estremera, Elvin G.& Soler, Rafael& Declet, Amarilis& Hernández-Maldonado, Arturo J.. Fabrication of Porous and Nanoporous Aluminum via Selective Dissolution of Al-Zn Alloys. Advances in Materials Science and Engineering. 2014. Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1015920
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1015920