通过极化曲线及扫描电镜（ＳＥＭ）研究了巴比妥钠对硬铝合金（ＬＹ１２ＣＺ）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，这种能力主要是通过在铝合金的表面形成不溶怀盐转化膜来实现的。
The inhibitive mechanism of sodium barbital for aluminium alloy in 3.5 % NaCl solution was investigated by pentidynamic polarization and SEM. With the addition of sodium barbial, the inhibitive efficiency increases. 'Ihe inhibition of sodium barbital results ￡tunfarming a thin conversion film on the surface of aluminum alloy, which increase the resistance of corrosion.
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