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通过极化曲线及扫描电镜 (SEM)研究了巴比妥钠对硬铝合金 (LY1 2CZ)在 3 .5 %NaCl中的缓蚀作用机制 .结果表明 ,巴比妥钠对铝合金具有较好的缓蚀作用 ,并且能提高铝合金在NaCl溶液中抗点蚀的能力 ,这种作用主要是通过在铝合金的表面形成不溶性盐转化膜来实现的
The inhibition mechanism of sodium pentobarbital on 3.5% NaCl in hard aluminum alloy (LY1 2CZ) was investigated by polarization curves and scanning electron microscopy (SEM). The results showed that sodium pentobarbital had good corrosion resistance to aluminum alloy And can improve the ability of the aluminum alloy to resist pitting corrosion in the NaCl solution. This effect is mainly achieved by forming an insoluble salt conversion coating on the surface of the aluminum alloy