氧化皮对SPHC热轧钢板在热带海洋大气环境中初期腐蚀行为的影响

邓俊豪,胡杰珍,邓培昌,王贵,吴敬权,王坤

Effect of Oxide Scales on Initial Corrosion Behavior of SPHC Hot Rolled Steel in Tropical Marine Atmosphere

Junhao DENG,Jiezhen HU,Peichang DENG,Gui WANG,Jingquan WU,Kun WANG

表1 SPHC热轧钢板在不同暴晒周期后的自腐蚀电位和自腐蚀电流密度

Table 1 Corrosion potential and current density of SPHC hot rolled steel after 15 and 180 d exposure

Exposure time / d With oxide scales sample Without oxide scales sample Potential / mV Current density / μA·cm-2 Potential / mV Current density / μA·cm-2 15 -487.31 29.03 -544.06 45.20 180 -348.08 16.41 -360.08 20.63