李宏亮,郭汉杰,王晓辉,沈中敏,苏耀,彭学诚,郭佳,曹丽丽,薛彦鹏

• 1:北京科技大学冶金与生态工程学院
• 2:北京机科国创轻量化科学研究院有限公司
• 3:浙江科技学院机械与能源工程学院
• 4:北京科技大学国家材料服役安全科学中心

摘要(Abstract)：

采用电化学沉积方法在DH36船板钢表面制备了锌镍合金镀层。采用扫描电镜(SEM),能谱仪(EDS)和X射线衍射仪(XRD)等研究了电化学沉积电位对锌镍合金镀层形貌、化学成分和晶体结构的影响。结果表明:随着沉积电位的升高,锌镍合金镀层由无法覆盖整个基底表面到均匀致密覆盖,再到较大微纳米颗粒层覆盖,证明沉积速率越来越大。由EDS和XRD分析可知,在较低电位下沉积,锌镍电沉积过程属于正常共沉积,而在较高电位沉积时,锌镍电沉积过程属于异常共沉积。电化学极化曲线测试表明,在电沉积电位为-1.2 V时所获得的锌镍合金镀层的耐腐蚀性最好。

关键词(KeyWords)： 船板钢;电沉积;锌镍合金镀层;耐蚀性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李宏亮,郭汉杰,王晓辉,沈中敏,苏耀,彭学诚,郭佳,曹丽丽,薛彦鹏

DOI: 10.13289/j.issn.1009-6264.2019-0486

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