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author:

钟远辉 (钟远辉.) [1] | 戴品强 (戴品强.) [2] | 周翔 (周翔.) [3]

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CQVIP PKU CSCD

Abstract:

采用X射线衍射(XRD)、扫描电镜(SEM)、能谱分析(EDS)研究了脉冲电沉积法制备的纳米晶Ni-Co合金镀层及其纳米SiC/Ni-Co复合镀层的组织结构、表面形貌和成分.用浸泡法和电化学极化法对比测试了纳米晶Ni-Co合金镀层和纳米SiC/Ni-Co复合镀层在3.5 wt%NaCl和5 wt%HCl溶液中的腐蚀行为.研究结果表明:通过脉冲电沉积法制备的Ni-Co合金镀层和纳米SiC/Ni-CO复合镀层具有典型的纳米晶结构;随着纳米SiC颗粒的增加,复合镀层的晶粒尺寸减小,硬度增加.所制备的纳米SiC/Ni-CO复合镀层颗粒分散均匀,其在3.5 wt%NaCl和5 wt%HCl溶液中的耐蚀性均优于纳米晶Ni-Co合金镀层.纳米晶Ni-Co合金镀层和纳米SiC/Ni-Co复合镀层在3.5 wt%NaCl溶液中的腐蚀速率极低,表现出极好的耐腐蚀性能,而在5 wt%HCl溶液中的腐蚀形态则表现为点蚀.

Keyword:

SiC/Ni-Co 复合镀层 脉冲电沉积 腐蚀

Community:

  • [ 1 ] [钟远辉]福州大学
  • [ 2 ] [戴品强]福州大学
  • [ 3 ] [周翔]福州大学

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Source :

复合材料学报

ISSN: 1000-3851

CN: 11-1801/TB

Year: 2009

Issue: 4

Volume: 26

Page: 111-118,196

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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