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5 不同老化时间后聚氨酯面漆的微观形貌

Fig.5 Micro-morphologies of polyurethane topcoat after aging for 0 d (a), 10 d (b), 20 d (c), 30 d (d), 40 d (e), 50 d (f) and 60 d (g)