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Corrosion study of Fe-Al Intermetallic Alloys in Simulated Acid Rain

机译:Fe-Al金属间化合物在模拟酸雨中的腐蚀研究

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This paper presents an investigation on the corrosion resistance of iron aluminides FeAl-based alloys,in an environment that simulates acid rain water in temperature room. Potentiodynamic Polarization,Linear polarization resistance curves Rp, Nyquist data and Bode curves obtained by electrochemicalimpedance spectroscopy were used to study the corrosion behavior of two intermetallic compounds.Showed that the binary alloy FeAl exhibited the greatest resistance to corrosion while the alloy Fe3Alshowed the lowest resistance to corrosion. Intermetallic Fe3Al alloys had greater susceptibility topitting corrosion. While FeAl intermetallic alloys showed low corrosion rate.
机译:本文提出了在模拟室温环境下的酸雨水的环境中研究铝化铁FeAl基合金的耐腐蚀性的方法。用电位阻抗法,电化学阻抗谱法得到的线性极化电阻曲线Rp,奈奎斯特数据和鲍德曲线研究了两种金属间化合物的腐蚀行为。结果表明,二元合金FeAl显示出最大的耐腐蚀性,而Fe3Al合金显示出最低的耐腐蚀性。腐蚀。金属间Fe3Al合金对点蚀的敏感性更高。而FeAl金属间合金显示出低腐蚀速率。

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