Preparation and properties of Ni-W-P-TiO2 nanocomposite coatings developed by a sol-enhanced electroplating method |
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Authors: | Zhen He Yu Zhou Yuxin Wang Pingyi Guo Wensen Jiang Caizhen Yao Xin Shu |
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Affiliation: | 1.School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China;2.Cedars-Sinai Medical Center, Los Angeles, CA, USA;3.Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China;4.Hunan Aerospace TianLu Advanced Materials Testing Co. Ltd, Changsha 410299, China |
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Abstract: | Several Ni-W-P-TiO2 nanocomposite coatings were developed by the sol-enhanced electroplating method. The phase and elemental compositions of coatings were determined, and the surface and cross-section morphology were characterized. The mechanical and corrosion performance were systematically tested. The results revealed the addition of 5 ml·L-1 TiO2 sol caused a compact coating surface, while higher concentrations of TiO2 reduced the coating thickness and led to the inferior surface microstructure. The comparison in physiochemical properties of prepared coatings confirmed the superior performance of the Ni-W-P-TiO2 nanocomposite coating at 5 ml·L-1 TiO2 sol addition. Under this condition, the best mechanical properties were achieved when abrasive wear was the dominating wear-resistance mechanism, and the best corrosion resistance was obtained due to its smooth and compact surface microstructure. |
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Keywords: | Ni-W-P TiO2" target="_blank">2')">TiO2 Electroplating Mechanical property |
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