新聞資訊
65Mn、35Cr2Ni3MoV和AF1410在模擬海洋環(huán)境中的耐蝕性
為了系統(tǒng)地研究65Mn、35Cr2Ni3MoV和AF1410三種金屬材料在模擬海洋環(huán)境中的耐蝕性能,進(jìn)行了人造海水全浸測(cè)試、鹽霧/干/濕交替循環(huán)測(cè)試和電化學(xué)測(cè)試。結(jié)果顯示,這三種金屬在三項(xiàng)測(cè)試條件下的腐蝕速率排序均為65Mn>35Cr2Ni3MoV>AF1410。電化學(xué)阻抗譜(EIS)模擬分析結(jié)果表明,三種金屬裸材表面氧化膜的數(shù)量排序?yàn)?5Cr2Ni3MoV>65Mn>AF1410,氧化膜的致密性排序?yàn)锳F1410>>35Cr2Ni3MoV>65Mn,氧化膜的平整性排序?yàn)?5Cr2Ni3MoV>65Mn>AF1410。
The corrosion resistance of 65Mn, 35Cr2Ni3MoV and AF1410 in simulated marine environment was systemically characterized through full immersion experiment in artificial sea water, salt fog/wet/dry alternate circulation experiment and electrochemical test. The results showed that the corrosion rate of the three materials followed the order of 65Mn>35Cr2Ni3MoV> AF1410. The electrochemical impedance spectroscopy (EIS) simulation results showed that the amount of the oxidation film on the bare metal material surface followed the order of 35Cr2Ni3MoV> 65Mn > AF1410, the density of the oxidation film followed the order of AF1410 >>35Cr2Ni3MoV> 65Mn, and the smoothness of the oxidation film followed the order of 35Cr2Ni3MoV> 65Mn > AF1410.
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