Effect of Y2O3 Nanoparticle on Microstructure and Electrochemical CorrosionProperties of Electroplated Ni-W Coating
摘 要
在添加不同含量Y2O3纳米颗粒(质量浓度分别为0,5,10,20 g·L-1)的电镀溶液中沉积Ni-W合金涂层,研究了Y2O3纳米颗粒的加入对涂层显微组织、微观形貌和电化学腐蚀性能的影响。结果表明:Y2O3纳米颗粒的添加减少了涂层表面结节状结构,细化了涂层晶粒,增大了微观应变;当Y2O3纳米颗粒的质量浓度在5~10 g·L-1时,所得涂层的表面粗糙度小于未添加纳米颗粒涂层的,但当质量浓度增至20 g·L-1时,表面粗糙度高于未添加纳米颗粒涂层的;Y2O3纳米颗粒的添加提高了涂层的耐电化学腐蚀性能,并且当Y2O3纳米颗粒的质量浓度为10 g·L-1时,涂层的耐电化学腐蚀性能最优。
Abstract
The Ni-W alloy coating was deposited in the electroplating solutions with different content (mass concentration of 0, 5, 10, 20 g·L-1) of Y2O3 nanoparticles. The influence of Y2O3 nanoparticle addition on the microstructure, micromorphology and electrochemical corrosion properties of the coating was studied. The results show that the addition of Y2O3 nanoparticles reduced the surface nodular structures of the coatings, refined the grains, and increased the microscopic strains. When the mass fraction of Y2O3 nanoparticles was between 5-10 g·L-1, the surface roughness of the coating was lower than that without nanoparticles; when the mass fraction of the nanoparticles increased to 20 g·L-1, the surface roughness was larger than that without nanoparticles. The addition of Y2O3 nanoparticles improved the electrochemical corrosion resistance of the coating. When the mass fraction of the nanoparticles was 10 g·L-1, the coating had the best electrochemical corrosion resistance.
中图分类号 TB31 DOI 10.11973/jxgccl202105004
所属栏目 试验研究
基金项目
收稿日期 2021/3/1
修改稿日期 2021/4/9
网络出版日期
作者单位点击查看
备注韩雨辰(1988-),男,辽宁丹东人,助理工程师,学士
引用该论文: HAN Yuchen,XING Shilong,JIANG Chuanhai. Effect of Y2O3 Nanoparticle on Microstructure and Electrochemical CorrosionProperties of Electroplated Ni-W Coating[J]. Materials for mechancial engineering, 2021, 45(5): 22~26
韩雨辰,邢士龙,姜传海. Y2O3纳米颗粒对电镀Ni-W涂层组织结构和电化学腐蚀性能的影响[J]. 机械工程材料, 2021, 45(5): 22~26
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