High Specific Surface Area Ni-Al2O3 Nanocomposite Synthesized by Solution Combustion Method
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES10_364
تاریخ نمایه سازی: 6 اردیبهشت 1396
Abstract:
This paper investigates the application of a mixture of three types of fuels, namely urea, glycine and hydrazine, for the synthesis of Ni-10 wt.% Al2O3 nanocomposite through solution combustion method. Nickel and aluminum nitrates are used as oxidizer. Because fuels have different reaction behaviors, the fuel mixture is used to achieve the highest surface area. The fuels are used at two different fuel to oxidizer ratios. The experiments are divided into eight groups. The results showed that changes in the fuel mixture have impact on the crystallite size and surface area of the synthesized nanocomposite. Four groups synthesized Ni-Al2O3 nanocomposite successfully. The BET test was taken to identify the surface properties of the produced nanocomposite. The results suggested that when hydrazine, glycine and urea are at 1.5, 1.5, and 1 level, respectively, the measured surface area for the synthesized nanocomposite in the air atmosphere and in less than 10 minutes was 207 m2/g.
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Authors
h nasiri
PhD Student Department of Materials Science and Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran
j vahdati khaki
Professor, Department of Materials Science and Engineering Department of Materials Science and Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran
n Shahtahmassebi
Professor, Department of Physics, Faculty of Sciences Department of Materials Science and Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran
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