Effect of Al2O3 Nanoparticles and Heat Treatment on the Wear Resistance of Electrodeposited Ni-W/Al2O3 Composite Coatings

被引：0
作者：
Xinyang Shi
Zhongquan Zhang
Leyu Dai
Yin Lv
Zhao Xu
Yibiao Yin
Zhiqun Liao
Guoying Wei
机构：
[1] China Jiliang University,College of Materials and Chemistry
来源：
Journal of Materials Engineering and Performance | 2022年 / 31卷
关键词：
electrodeposition; heat treatment; Ni-W/Al; O; Ni-W; wear resistance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this work, Ni-W/Al2O3 composite coatings with Al2O3 content from 0 to 8 wt.% were electrodeposited and heat treated to study the influence of Al2O3 nanoparticles and heat treatment on the wear resistance of Ni-W/Al2O3 coatings. The wear resistance of as-deposited Ni-W/Al2O3 coatings is obviously improved by incorporation of Al2O3 nanoparticles, which can strongly alleviate the serious plowing during the sliding abrasion. By heat treatment at 300 °C, microhardness and wear resistance of Ni-W/Al2O3 are simultaneously improved. For the Ni-W/Al2O3 coatings heat treated at 700 °C, the grain size increases while the microhardness is barely changed in comparison with the as-deposited coatings, and the wear resistance is improved with low Al2O3 content but degraded at high Al2O3 content. The evolution of wear resistance of Ni-W/Al2O3 coatings can be related to microhardness, incorporation of Al2O3, precipitation strengthening and interphase interfaces.
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页码：3094 / 3106
页数：12
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