摘要
采用磁控溅射方法在316L不锈钢表面沉积铬涂层,并采用电化学方法对其在0.5mol·L-1H2SO4溶液中的耐腐蚀性能进行了研究。结果表明:在不锈钢表面制备的铬涂层均匀致密,显著提高了不锈钢的自腐蚀电位,自腐蚀电流密度由7.62μA·cm-2减小到0.06μA·cm-2,可显著提高不锈钢的耐蚀性;在腐蚀溶液中长期浸泡时,铬涂层一直保持着较好的稳定性。
A layer of chromium coating was deposited on 316L stainless steel by magnetron sputtering method. Electrochemical method was employed to investigate corrosion resistance of the coating in 0. 5 mol · L^-1 H2 SO4 solution. The results show that the chromium coating was uniform and dense, which increased the corrosion potential of the stainless steel obviously, and decreased the corrosion current densities of coating from 7. 62 μA · cm^-2 to 0. 06μA·cm^-2. The corrosion resistance of the stainless steel was improved remarkable by the Cr coating. The coating was stable when soaking in corrosive solution for a long time.
出处
《机械工程材料》
CAS
CSCD
北大核心
2014年第8期76-79,83,共5页
Materials For Mechanical Engineering
基金
国家自然科学基金资助项目(51301026)
湖南省科技厅项目(2012WK2003)
湖南省自然科学基金资助项目(14JJ6019)
湖南省教育厅项目(13B128)
关键词
质子交换膜燃料电池
双极板
磁控溅射
铬涂层
腐蚀
proton exchange member fuel cell
bipolar plate
magnetron sputtering
chromium coating
corrosion
