摘要
研究了电刷镀液中纳米Al2O3颗粒含量对复合镀层中纳米颗粒含量、镀层表面形貌、显微硬度以及摩擦学性能的影响。结果表明,随着镀液中纳米Al2O3颗粒含量的增加,镀层组织细化,显微硬度提高,镀层在含细沙油润滑条件下的耐磨性比不加纳米颗粒的快速镍镀层提高了80%。当镀液中Al2O3含量为20g/L时,镀层具有最佳的耐磨性,进一步提高镀液中的纳米颗粒含量,镀层性能反而下降。
The effects of nano-Al2O3 particle content in the electrolyte on the nano-particle content, microstructure, hardness and wear resistance of the composite coating were studied. The results show that the microstructure and hardness of the composite coating are improved with the increase of the nano-particles in the electrolyte, and the wear resistance of nano-composite coating is 80% higher than that of high speed nickel coating. The nano-composite coating has the best wear resistance when the nano-particle content in the electrolyte is 20 g/L, above which the wear resistance decreases.
出处
《复合材料学报》
EI
CAS
CSCD
北大核心
2004年第6期98-103,共6页
Acta Materiae Compositae Sinica
基金
国家自然科学基金重点项目(50235030)
国家973计划项目(G1999065009)
2002年中英政府科技合作项目(2002M3)
关键词
复合镀层
纳米颗粒
硬度
摩擦学性能
Alumina
Composite materials
Lubrication
Microhardness
Microstructure
Morphology
Nanostructured materials
Scanning electron microscopy
Transmission electron microscopy
Wear resistance
