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马 静,李 强,李建辉.ZrO2 加入量对Zr-8Al合金化学复合镀性能的影响[J].稀有金属材料与工程(英文),2018,47(9):2723~2727.[Ma Jing,LI Qiang and Li Jianhui.Effects of ZrO2 addition on the properties of electroless composite plating on Zr-8Al alloy[J].Rare Metal Materials and Engineering,2018,47(9):2723~2727.]
Effects of ZrO2 addition on the properties of electroless composite plating on Zr-8Al alloy
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Received:September 29, 2016  Revised:March 04, 2017
DOI:
Key words: Zr-Al alloy  ZrO2  electro-less composite plating  wear resistance  corrosion resistance
Foundation item:国家973项目(2010CB731604)
Author NameAffiliation
Ma Jing,LI Qiang and Li Jianhui  
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Abstract:
      In this paper, electro-less Ni-P-ZrO2 composite plating was preformed on Zr-8Al alloy. The microstructure, microhardness, wear resistance and corrosion resistance in 3.5 wt% NaCl solution of electro-less composite platings for different ZrO2 addition were investigated. The results show that the microhardness of electro-less Ni-P-ZrO2 composite plating was improved compared with that of electro-less Ni-P plating. The microhardness and wear resistance of electroless Ni-P-ZrO2 composite plating for 4g/L ZrO2 addition is super. The corrosion resistance of the electroless Ni-P-ZrO2 composite plating is a bit lower than that of electro-less Ni-P plating, yet the composite plating after corrosion is still complete. So the corrosion resistance of the electroless Ni-P-ZrO2 composite plating for 4g/L ZrO2 addition is still better. The Ni-P-ZrO2 plating on Zr-8Al alloy is potential to applied for moving parts in space which require excellent wear resistance and good corrosion resistance.