腐蚀
材料科学
冶金
合金
铝
涂层
无定形固体
6111铝合金
复合材料
化学
结晶学
作者
Xing Xu,Wenfang Li,Bingbing Wan,Shuoxun Jin,Ken Chen,Fenghua Su
标识
DOI:10.1016/j.corsci.2024.111952
摘要
The low hardness and limited anti-wear of aluminum alloys pose obstacles to their stability and service life, especially in corrosive environments. Here, the amorphous CrAlN coating was first deposited on aluminum alloy by DC magnetron sputtering. The CrAlN coating with 30.2% nitrogen content was dense and prevented the intrusion of oxidation and corrosive fluids, thus greatly improving the anti-corrosion of the coating. The wear rate of the coated aluminum alloy in 3.5% NaCl solution decreased by three orders of magnitude. This work paves the way for constructing amorphous protective coatings on light alloys.
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