高速列车用聚氨酯面漆耐蚀性能和老化机制研究

李春霖, 史洪微, 梁国平, 李丽, 王浩, 王伟, 刘福春, 韩恩厚

Corrosion Resistance and Aging Mechanism of Polyurethane Topcoat for High-speed Train

LI Chunlin, SHI Hongwei, LIANG Guoping, LI Li, WANG Hao, WANG Wei, LIU Fuchun, HAN En-Hou

图1 聚氨酯面漆/铝合金体系浸泡在3.5%NaCl溶液中随时间变化的Bode和Nyquist图

Fig.1 Bode (a) and Nyquist (b) plots of polyurethane topcoat/aluminum alloy system immersed in 3.5%NaCl solution for different time