铝镁双金属反向等温包覆挤压棒材耐腐蚀性能

乔及森, 夏宗辉, 刘立博, 许佳敏, 刘旭东

Corrosion Resistance of Aluminum-magnesium Bimetal Composite Material Prepared by Isothermal Indirect Extrusion

QIAO Jisen, XIA Zonghui, LIU Libo, XU Jiamin, LIU Xudong

表3 材料在3.5%NaCl溶液中腐蚀前后的开路电位 (V)

Table 3 Open circuit potential of materials before and after corrosion in 3.5%NaCl solution

Material Before corrosion After corrosion 2A12 -0.9731 -0.1742 2A12/AZ31 -1.039 -0.2789 Intreface layer -1.570 -0.5639 AZ31(ES) -1.591 -0.7169 AZ31(BS) -1.600 -1.498