Influence of Applied Frequency on Thermal Physical Properties of Coatings Prepared on Al and AlSi Alloys by Plasma Electrolytic Oxidation. - Li, Guodong; Ma, Fei; Li, Zhijie; Xu, Yi; Gao, Fangyuan; Guo, Lingyan; Zhu, Jianwei; Li, Guang; Xia, Yuan (Coatings (2079-6412), 2021)