Alternative TitleProcesses and properties of electroless Ni-P-ZrO2 composite coating on AZ91D magnesium alloy
宋影伟; 单大勇; 陈荣石; 韩恩厚
Source Publication中国有色金属学报
Other AbstractTraditional process of electroless Ni-P plating on AZ91D magnesium alloy was improved, and the poisonous substances of hydrofluoric acid and Cr^6+ were not used. The mechanism of pretreatment and nickel initial deposition for new process was investigated. Meantime, the process of Ni-P-ZrO2 composite plating was developed, and the microstructure and properties of the composite coating were studied. The results show that the Ni-P coating prepared with new process is more compact and uniform, and the corrosion resistance is superior to that of traditional process Ni-P coating. The potentiodynamic polarization curves in 3.5 % NaCl solution indicate that the Ni-P-ZrO2 composite coating could provide adequate protection to magnesium alloy substrate. The wear mass loss of Ni-P coating is nearly twice more than that of Ni-P-ZrO2 coating, implying that the wear resistance of the composite coating is improved due to the co-deposition of ZrO2 nanometer particles.
KeywordA291D镁合金 Ni—P-ZrO2镀层 化学复合镀 耐蚀性 耐磨性
Indexed ByCSCD
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Cited Times:21[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
宋影伟,单大勇,陈荣石,等. AZ91D镁合金化学复合镀Ni—P—ZrO2的工艺与性能[J]. 中国有色金属学报,2006,16.0(004):625-630.
APA 宋影伟,单大勇,陈荣石,&韩恩厚.(2006).AZ91D镁合金化学复合镀Ni—P—ZrO2的工艺与性能.中国有色金属学报,16.0(004),625-630.
MLA 宋影伟,et al."AZ91D镁合金化学复合镀Ni—P—ZrO2的工艺与性能".中国有色金属学报 16.0.004(2006):625-630.
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