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author:

高诚辉 (高诚辉.) [1] | 李凝 (李凝.) [2]

Indexed by:

PKU CSCD

Abstract:

用非晶态合金和纳米晶合金作电极材料各有利弊,而用酸性溶液制备的Ni-Co合金镀层存在内应力较大且电流效率低等不足。为此,采用电沉积技术在碱性镀液中制备了非晶-纳米晶Ni-Mo合金,利用X射线衍射(XRD)、扫描电镜(SEM)、能谱(EDS)、极化曲线等研究了电沉积工艺对镀层Mo含量、结构及形貌的影响。结果表明:镀层Mo含量随镀液中钼酸盐浓度增加而增加,随柠檬酸盐浓度增加、镀液温度升高、电流密度增大先增加后减小,pH值对镀层结构有显著影响;镀层Mo含量在21.00%~26.00%时,Ni-Mo合金镀层为非晶与纳米晶混合结构,非晶态相含量占60%以上,纳米晶的晶粒尺寸较小,镀层表面均匀、颗粒细小、...

Keyword:

Mo含量 Ni-Mo合金 电沉积 碱性镀液 结构 非晶-纳米晶

Community:

  • [ 1 ] 福州大学机械工程及自动化学院

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Source :

材料保护

Year: 2010

Issue: 07

Volume: 43

Page: 27-31,35,77

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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