Volume 34, Issue 3 (Journal of Advanced Materials-fall 2015)                   jame 2015, 34(3): 97-106 | Back to browse issues page


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Khajelakzay M, Shoja Razavi R, Barekat S. Fabrication of Yttria Nanopowder by Precipitation Method Using Micro Meter Powder. jame. 2015; 34 (3) :97-106
URL: http://jame.iut.ac.ir/article-1-721-en.html
Department of Materials Engineering, Malek Ashtar University of Technology, Shahinshahr, Isfahan, Iran
Abstract:   (4253 Views)

Precipitation has always been one of the important methods in the preparation of ceramic nanopowders. In this study, the most important parameters, ageing time and concentration parameters, have been studied. Yttrium oxide (Yttria) nanopowder was synthesized by precipitation method. Yttria micropowder and ammonium hydrogen carbonate were used as precursor materials. The study involved aging time and concentration in four and three levels, repectively (3, 6, 12 and 24h for ageing time and 0.25, 0.5 and 0.75 mol/L for concentration). Synthesized phases, thermal behavior and particle size were studied by X-ray diffraction pattern (XRD), thermogravimetry (TG), differential thermal analysis (DTA) and field emission scanning electron microscopy (FE-SEM). Fourier transform infrared spectroscopy analysis (FTIR) was used for studying bonding before and after the heat treatment at 900, 1000 and 1100 °C.

Full-Text [PDF 1396 kb]   (824 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/12/16 | Accepted: 2015/12/16 | Published: 2015/12/16

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