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  Modifying aluminum-water reaction to generate nano-sized aluminum hydroxide particles beside hydrogen

Razavi Tousi, S. S., Nematollahi, G. A., Ebadzadeh, T., & Szpunar, J. A. (2013). Modifying aluminum-water reaction to generate nano-sized aluminum hydroxide particles beside hydrogen. Powder Technology, 241, 166-173. doi:10.1016/j.powtec.2013.03.025.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-D830-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-D831-4
Genre: Journal Article

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 Creators:
Razavi Tousi, Seyed Salman1, Author              
Nematollahi, Gholamali Ali2, Author              
Ebadzadeh, Touradj3, Author              
Szpunar, Jerzy A.1, Author              
Affiliations:
1Department of Mechanical Engineering, University of Saskatchewan, S7N 5A9 Saskatoon, SK, Canada, persistent22              
2Adaptive Structural Materials (Simulation), Computational Materials Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863339              
3Ceramic Division, Materials and Energy Research Centre, P.O. Box 14155-4777, Alborz, Iran, persistent22              

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Free keywords: Al-water reaction; Aluminum powders; Aluminum-water reactions; Conventional furnace; Gibbsites; Milling time; Room temperature; Wet milling, Alumina; Ball milling; Calcination; Hydrated alumina; Hydrogen; Milling (machining); Morphology; Nanorods; Rietveld refinement; Scanning electron microscopy; X ray diffraction, Aluminum, aluminum hydroxide; aluminum hydroxide nanoparticle; aluminum oxide; hydrogen; nanomaterial; nanoparticle; nanorod; nanosphere; nanospindle; unclassified drug, aluminum water reaction; article; ball milling; calcination; chemical modification; chemical procedures; chemical reaction; furnace; high temperature procedures; microwave oven; nanotechnology; particle size; Rietveld refinement; room temperature; scanning electron microscopy; structure analysis; X ray diffraction
 Abstract: Al-water reaction is used to produce nanoparticles of aluminum hydroxide. Ball-milling of aluminum powder in water was examined for promoting this reaction. Scanning electron microscopy and X-ray diffraction assisted by Rietveld refinement were used to study the by-products of the reaction. Results showed that the activated Al powder completely reacted with water at room temperature. Hydrogen, gibbsite and bayerite were formed at the end of the reaction. A mechanism is proposed to explain how wet milling of Al powder can promote the reaction. The morphology of the by-products changed with the milling time. Notably the samples milled for 7 and 12. h had the shapes of nanospheres, nanospindles and nanorods. The calcination process made in conventional furnace and microwave oven changed the morphology of the produced alumina phases. © 2013 Elsevier B.V.

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Language(s): eng - English
 Dates: 2013-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.powtec.2013.03.025
BibTex Citekey: Razavi-Tousi2013166
 Degree: -

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Title: Powder Technology
Source Genre: Journal
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Publ. Info: Lausanne [etc.] : Elsevier
Pages: - Volume / Issue: 241 Sequence Number: - Start / End Page: 166 - 173 Identifier: ISSN: 0032-5910
CoNE: https://pure.mpg.de/cone/journals/resource/954925435450