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首页> 外文期刊>International Journal of Electrochemical Science >?Effect of Immersion Time and Temperature on Corrosion Behaviour of Nanocrystalline Al-Fe-Cr Alloy
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?Effect of Immersion Time and Temperature on Corrosion Behaviour of Nanocrystalline Al-Fe-Cr Alloy

机译：？浸渍时间和温度对纳米晶体Al-Fe-Cr合金腐蚀行为的影响

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The corrosion behavior of Al-10wt.%Fe-5wt.%Cr nanocrystalline aluminium alloy was studied by cyclic potentiodynamic polarization (CPP) and electrochemical impedance spectroscopy (EIS) methods. The nanocrystalline bulk alloy used in this investigation was fabricated by processed metallic powder via mechanical alloying (MA) technique followed by compaction and sintering in a high frequency induction heat sintering (HFIHS) system. The corrosion behavior of the alloy was tested in a 3.5% NaCl solution for different immersion time and temperatures. The outcomes showed that the developed alloy possess good resistance to uniform corrosion at all temperatures. It is also found that increasing the immersion time, results in moving the corrosion potential (?corr) towards a higher negative value that leads to decrease the corrosion current (jcorr) and consequently increase the corrosion resistance (Rp) of the alloy.
机译：Al-10wt的腐蚀行为。％Fe-5wt。通过循环电位偏振（CPP）和电化学阻抗光谱（EIS）方法研究了％Cr纳米晶铝合金。通过机械合金化（MA）技术通过加工的金属粉末制造该研究的纳米晶体散装合金，然后在高频感应热烧结（HFIHS）系统中压实和烧结。在3.5％NaCl溶液中测试合金的腐蚀行为，用于不同的浸渍时间和温度。结果表明，发达的合金在所有温度下对均匀腐蚀具有良好的抵抗力。还发现增加浸入时间，导致朝向更高的负值移动腐蚀电位（Δer），导致降低腐蚀电流（Jcorr），从而增加合金的耐腐蚀性（RP）。

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