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Microstructure, friction and corrosion resistance properties of a Ni–Co–Al2O3 composite coating

机译：Ni-Co-Al2O3复合涂层的微观结构，摩擦和耐腐蚀性能

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摘要

Ni–Co–Al _(2) O _(3) composite coatings were prepared by pulsed electrodeposition and electrophoresis–electrodeposition on aluminum alloy. The content of Al _(2) O _(3) particles of the Ni–Co–Al _(2) O _(3) composite coating prepared by electrophoresis–electrodeposition was significantly higher than the composite coating prepared by pulsed electrodeposition. The composite coating prepared by electrophoresis–electrodeposition exhibited a better anti-wear performance than that prepared by pulsed electrodeposition. The morphology, composition and microstructure of the composite coatings were determined by means of X-ray diffractometer (XRD) and scanning electron microscopy (SEM). The hardness and friction properties of the samples were tested on the microhardness tester and the friction and wear loss tester respectively.
机译：Ni-Co-Al _（2）O _（3）复合涂层是通过在铝合金上进行脉冲电沉积和电泳-电沉积制备的。通过电泳-电沉积制备的Ni-Co-Al_（2）O _（3）复合涂层中Al _（2）O _（3）颗粒的含量明显高于脉冲电沉积制备的复合涂层。电泳-电沉积制备的复合涂层比脉冲电沉积制备的复合涂层具有更好的抗磨性能。通过X射线衍射仪（XRD）和扫描电子显微镜（SEM）确定复合涂层的形貌，组成和微观结构。样品的硬度和摩擦性能分别在显微硬度仪和摩擦磨损损耗仪上进行了测试。

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