NaCl溶液温度和含量对热处理后钢轨腐蚀行为的影响

李自立, 王欣纪, 田春洋, 叶沛聪, 刘海乔, 何成刚, 刘吉华

Influence of NaCl Temperature and Content on Corrosion Behavior of Heat Treated Rail Steel

LI Zili, WANG Xinji, TIAN Chunyang, YE Peicong, LIU Haiqiao, HE Chenggang, LIU Jihua

图4 热处理U75V钢轨试样在不同NaCl溶液温度与含量中全浸144 h后腐蚀产物的微观形貌

Fig.4 Microscopic morphologies of corrosion products of heat-treated U75V steel rail samples under different NaCl solution temperatures and different content with fully immersed for 144 h: (a) 5.0%-25 ℃, (b) 5.0%-35 ℃, (c) 5.0%-45 ℃, (d) 2.0%-25 ℃, (e) 3.5%-25 ℃