Fe‐Al2O3nanocomposites prepared by high‐energy ball milling
نویسندگان
چکیده
منابع مشابه
A Study of Nanocrystalline Cobalt Prepared by Ball Milling
The hcp-fcc transformation induced in cobalt powder by ball milling at room temperature was studied using the excess Gibbs free energy for the metals, in nanometric form, to calculate the activation barriers that the atoms must overcome for the phase transformation to occur. The crystalline component of the nanocrystaline cobalt produced in our laboratory, via ball milling, was analized using t...
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Solid solutions of Ag-Cu were prepared via ball milling process, for about 5-30 h. The Cu-20at%Ag and Cu-3.64at%Ag composition were investigated by X-ray diffraction technique. It was realized that the solid solubility level could be increased by increasing the initial solute content in the mixture. In addition, shifts in peak positions of silver and copper were observed with milling time. The ...
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Cadmium oxide has found its applications in various areas of research such as solar cells, phototransistors, photodiodes, transparent electrodes and gas sensors. In the present work CdO nano particles were successfully synthesized from cadmium acetate through thermal decomposition at high temperatures by adopting the solid state reaction. The prepared nano particles are subjected to ball millin...
متن کاملThe crystallization process of amorphous Al80Fe20 alloy powders prepared by ball milling
The amorphous-to-crystalline transition during thermal annealing of amorphous Al80Fe20 alloy powders prepared by ball milling was investigated by means of magnetothermal analysis and X-ray diraction. Following structural relaxation and stress relief processes, a metastable phase precipitates during primary crystallization, and a mixture of intermetallic compound (h-Al13Fe4) and fcc Al is devel...
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For many applications such as advanced energy storage systems, chemical sensors or electrochromic devices fast ionic conduction plays an important role. In many cases, see e.g., Refs. [1-3], nanocrystal-line ceramics with crystallite diameters smaller than 50 nm show an enhanced ion conductivity compared to their coarse-grained counterparts, i.e., single crystals or materials with µm-sized part...
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ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 1994
ISSN: 0021-8979,1089-7550
DOI: 10.1063/1.355544