殷佳璇,王昕,葛峰,满成

• 1:中国海洋大学材料科学与工程学院

摘要(Abstract)：

采用质量损失实验、电化学测试以及扫描电镜(SEM)、激光扫描共聚焦显微镜(CLSM)等研究了NH~+_4与NO~-_3对纯锌(Zn≥99.99%)在NaCl溶液中腐蚀行为的影响。结果表明:在NH~+_4-NO~-_3-Cl~-体系中,NH~+_4对促进锌的腐蚀起主导作用;NO~-_3的存在可显著加速样品在溶液中的电化学阴极反应,同时导致样品金属表面腐蚀形态发生改变,局部腐蚀坑趋向横向扩张生长。另外,在一定浸泡时间周期内,样品金属的腐蚀速度与NH_4NO_3浓度呈正相关。

关键词(KeyWords)： 纯锌;腐蚀行为;NH~+_4-NO~-_3-Cl~-体系;浸泡;阴极反应

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51901216)

作者(Author): 殷佳璇,王昕,葛峰,满成

DOI: 10.13289/j.issn.1009-6264.2019-0412

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