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CuCo2O4 spinel nanopowders were synthesized by sol–gel method. The optimal values of pH and molar ratio of citric acid to metal ions (RC), and the influence of the calcination temperature and time were investigated. As-prepared materials were characterized by XRD, TGA, DSC, FE-SEM and electrical and coefficient of thermal expansion (CTE) measurements. It was found that pH = 4.5 and RC = 1 are the...
The conductive CuCo 2 O 4 spinel coating is applied on the surface of the AISI 430 ferritic stainless steel by the dip-coating sol–gel process and it is evaluated in terms of the microstructure, oxidation resistance and electrical conductivity. The results show that the CuCO 2 O 4 coating forms a double-layer scale consisting of a Cr, Fe-rich subscale and Cu–Co spinel...
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