Ceramics International, ( ISI ), Volume (4), No (3), Year (2018-2) , Pages (3226-3230)

Title : ( Copper-alumina nanocomposite coating on copper substrate through solution combustion )

Authors: Ehsan Mohammadi , H. Nasiri , Jalil Vahdati Khaki , S.M.Zebarjad ,

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The main objective of the present research is to investigate the production of Cu-Al2O3 nanocomposite coating on a copper substrate using solution combustion synthesis. Solution combustion synthesis is mainly used to produce nanocomposite powders; however, in this study it is applied to produce nanocomposite coat. For this purpose, both copper and aluminum nitrates (Cu (NO3)2·3H2O and Al (NO3)3·9H2O) are used as oxidizers. Also, urea and graphite are respectively used as fuel to synthesize the Cu-Al2O3 nanocomposite and as inhibitor to prevent the oxidation of the synthesized copper. The microstructure and morphology of the nanocomposite coating, which includes 25 wt% alumina as the reinforcing phase, was studied using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy at different fuel/oxidizer ratios ranging from 0.9 to 2. The temperature variation during the process was measured as a function of time using a precise thermocouple. Finally, micro-hardness and wear tests were conducted on the nanocomposite coating. The results verified the formation of Cu-Al2O3 nanocomposite coating. Time-temperature curve illustrated that the highest temperature was achieved at the fuel/oxidizer ratio of 1.25. The results of the microhardness and wear resistance test showed that these properties depend heavily on the fuel/oxidizer ratio, with the best condition attained at the ratio of 1.25.


, B. Nanocomposites, C. Hardness, C. Wear resistance, D. Al2O3
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author = {Mohammadi, Ehsan and H. Nasiri and Vahdati Khaki, Jalil and S.M.Zebarjad},
title = {Copper-alumina nanocomposite coating on copper substrate through solution combustion},
journal = {Ceramics International},
year = {2018},
volume = {4},
number = {3},
month = {February},
issn = {0272-8842},
pages = {3226--3230},
numpages = {4},
keywords = {B. Nanocomposites; C. Hardness; C. Wear resistance; D. Al2O3},


%0 Journal Article
%T Copper-alumina nanocomposite coating on copper substrate through solution combustion
%A Mohammadi, Ehsan
%A H. Nasiri
%A Vahdati Khaki, Jalil
%A S.M.Zebarjad
%J Ceramics International
%@ 0272-8842
%D 2018