徐仰涛,代玉杰,张伟

• 1:兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室
• 2:兰州理工大学材料科学与工程学院

摘要(Abstract)：

采用XRD和SEM研究了电沉积时间对电解镍的择优生长方向、晶粒大小、表面形貌和截面组织的影响。结果表明,随着电沉积时间的延长,电解镍的晶体生长方向会发生变化,由最初的(111)(200)面织构变为16 h后的(220)面织构;随着沉积过程的进行,电解镍的微观表面形貌由棱锥状慢慢变为胞状,生长机制由开始时的螺旋位错生长变为累积长大机制;电解镍的横截面组织由细晶粒层和较粗大晶粒层构成,属于非均匀沉积层,大部分晶粒呈柱状生长,并且垂直于始极片,晶粒大小沿沉积厚度呈阶梯状分布。

关键词(KeyWords)： 电解镍;表面形貌;晶粒大小;择优取向;截面组织

Abstract:

Keywords:

基金项目(Foundation): 金昌市青年人才基金(jrc2015-76)

作者(Author): 徐仰涛,代玉杰,张伟

DOI: 10.13289/j.issn.1009-6264.2016.02.037

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