Investigation on microstructure and properties of Cu-ZrO^sub 2^ nanocomposites synthesized by in situ processing

Cu-ZrO2 nanocomposites were prepared by an in situ reactive synthesis of copper nitrate Cu(NO3)2 and zirconium oxychloride (ZrOCl2). The produced composites were evaluated in terms of their morphology, structural analysis, thermal conductivity and microhardness. The results showed that ZrO2 nanopart...

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Bibliographic Details
Published in:Materials letters 2018-02, Vol.213, p.95
Main Author: Fathy, Adel
Format: Article
Language:English
Subjects:
Analysis
Copper
Heat conductivity
Heat transfer
Materials science
Microhardness
Nanocomposites
Structural analysis
Thermal conductivity
Zirconium dioxide
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Summary:Cu-ZrO2 nanocomposites were prepared by an in situ reactive synthesis of copper nitrate Cu(NO3)2 and zirconium oxychloride (ZrOCl2). The produced composites were evaluated in terms of their morphology, structural analysis, thermal conductivity and microhardness. The results showed that ZrO2 nanoparticles with about 45 nm were homogeneously distributed in the copper matrix. The measured thermal conductivity for the Cu-ZrO2 nanocomposites decreased from 370.8 to 101.3 W/mK with increasing ZrO2 content from 0 to 9 wt%. The microhardness of the Cu-ZrO2 nanocomposites increase as the ZrO2 content increases.
ISSN:0167-577X
1873-4979