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Title Characterization and Formation Mechanism of Solid Solution in Nanocrystalline Al-5wt%Si Powders Produced by Mechanical Alloying
Authors Dayani, D.
Shokuhfar, A.
Vaezi, M.R.
Zolriasatein, A.
ORCID
Keywords Mechanical alloying
Solid solution
Williamson-Hall
Crystallite size
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/35031
Publisher Sumy State University
License
Citation Characterization and Formation Mechanism of Solid Solution in Nanocrystalline Al-5wt%Si Powders Produced by Mechanical Alloying [Текст] / D. Dayani, A. Shokuhfar, M.R. Vaezi, A. Zolriasatein // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V.1, No1. - 01PCN38
Abstract Due to advantages of mechanical alloying in comparison with liquid state processes, this process has used a lot to synthesis nanostructured alloy. In the present study, aluminum and silicon elemental powders with composition Al-5wt % Si were synthesized by mechanical alloying in high energy planetary ball. X-ray diffractometer and scanning electron microscopic were used to study microstructural and morphological changes of powder particles and formation of solid solution of Al-Si during milling. Crystallite size, lattice strain and lattice parameter were determined by Scherer, Williamson–Hall and Nilson–Reley methods. Minimum crystallite size was 17.895 nm according to Scherer method and 32.644 nm according to Williamson-Hall. Solid solution of Al-Si was formed between 5 h and 30 h, due to crystallite size in nano scale and diffusion process in mechanical alloying. In addition lattice parameter changes and XRD results prove it. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35031
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