TY - JOUR AU - Arunsunai Kumar K, AU - Sakthivel A, AU - Vijayakumar A, AU - Sarathi A, AU - Senthilkumar S , PY - 2017/04/28 Y2 - 2024/03/29 TI - Preparation and characterization of Cu-Zro2 nanocomposite by DC method JF - JOURNAL OF ADVANCED APPLIED SCIENTIFIC RESEARCH JA - JOAASR VL - 1 IS - 9 SE - Articles DO - 10.46947/joaasr19201771 UR - http://mail.joaasr.com/index.php/joaasr/article/view/71 SP - AB - <p>Cu-ZrO<sub>2&nbsp;</sub>nanocomposite coatings prepared by electrodeposition method. In bath solution containing different amount of ZrO<sub>2</sub>&nbsp;were studied. The structure, surface morphology, mechanical and corrosion resistance properties of nanocomposite are characterized by varies techniques. Cu-ZrO<sub>2</sub>&nbsp;composite coatings have higher micro hardness, compared to pure copper coating. Surface morphology of both Cu and Cu–ZrO<sub>2</sub>&nbsp;composite coatings were examined through Scanning electron microscopy. The results show that more number of zirconia particles incorporated into copper matrix and then smooth surface, finer grain sized. The incorporation of ZrO<sub>2</sub>&nbsp;particles reduces the particle size. It shows the closer particle-particle contact leads to pore free deposition. The X-ray diffraction was conformed the crystallite size and structure of the electrodeposited Cu and Cu–ZrO<sub>2</sub>&nbsp;composite coatings. The average crystallite size calculated from Scherrer equation was ~105 nm for copper and ~67 nm for Cu-ZrO<sub>2</sub>&nbsp;composites. The structure of electrodeposited Cu and Cu–ZrO<sub>2</sub>&nbsp;composite coatings were crystalline orthorhombic which was confirmed from the JCPDS standard. The corrosion resistance behavior of Cu–ZrO<sub>2</sub>&nbsp;composite is examined through Tafel polarization and impedance measurement studies in 3.5% NaCl. The result shows that the Cu–ZrO<sub>2&nbsp;</sub>composite coatings have more corrosion resistance than pure Cu coating.</p> ER -