...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>High temperature materials and processes >Electrochemical-Impedance-Spectroscopy Study of Corrosion of the Alloy NF616 with Molten ZnCl2-KCl Coating in Air at 673 K
【24h】

Electrochemical-Impedance-Spectroscopy Study of Corrosion of the Alloy NF616 with Molten ZnCl2-KCl Coating in Air at 673 K

机译：673K熔融ZnCl2-KCl熔液对NF616合金腐蚀的电化学阻抗谱研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The corrosion behavior of the alloy NF616 covered with a film of molten 0.55ZnCl2-0.45KCl (mole fraction), similar to that found in waste incineration plants, was examined in air at 673 K by the electrochemical-impedance spectroscopy (EIS) technique. For comparison, the corrosion of the same material immersed in the deep salt was also studied. The electrochemical impedance spectra for the corrosion of NF616 beneath a film of fused salt consisted of a semi-circle at high-frequency port and a line at low-frequency port indicating a diffusion-controlled reaction. Contrary to the corrosion beneath salt film, the corrosion of the alloy in deep molten salt presented the characteristics of two capacitive loops during all the duration of the experimental test. This different EIS features under two corrosion conditions may be related to the different supply of oxygen amount. In this paper, suitable equivalent circuits representing the corrosion of the alloy under the two different corrosion conditions are proposed to fit the corresponding impedance spectra and electrochemical parameters in the equivalent circuits are also calculated.
机译：用电化学阻抗谱（EIS）技术在673 K的空气中检查了覆盖有熔融0.55ZnCl2-0.45KCl（摩尔分数）薄膜的NF616合金的腐蚀行为，类似于废物焚烧厂中的腐蚀行为。为了比较，还研究了浸入深盐中的相同材料的腐蚀。熔盐膜下NF616腐蚀的电化学阻抗谱由高频端口处的半圆和低频端口处的线组成，指示扩散受控反应。与盐膜下的腐蚀相反，在深熔盐中合金的腐蚀在整个试验过程中均表现出两个电容环的特征。在两种腐蚀条件下这种不同的EIS特征可能与氧气供应量的不同有关。本文提出了代表两种不同腐蚀条件下合金腐蚀的合适等效电路，以拟合相应的阻抗谱，并计算了等效电路中的电化学参数。

著录项

  • 来源
    《High temperature materials and processes》 |2011年第2期|p.71-75|共5页
  • 作者

    T.J.Pan; W.L.Xue; D.G.Chen; J. Hu;

  • 作者单位

    School of Materials Science and Engineering, and Key Laboratory of Advanced Metallic Materials of Changzhou City, Changzhou University, China,Wei Hua Precision Alloy Co., Ltd. Jiangsu, Lu Town Industrial Park, Danyang City, China;

    School of Materials Science and Engineering, and Key Laboratory of Advanced Metallic Materials of Changzhou City, Changzhou University, China;

    School of Materials Science and Engineering, and Key Laboratory of Advanced Metallic Materials of Changzhou City, Changzhou University, China;

    School of Materials Science and Engineering, and Key Laboratory of Advanced Metallic Materials of Changzhou City, Changzhou University, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nf616; zncb-kcl; impedance models; elec-trochemical impedance;

    机译：nf616;zncb-kcl;阻抗模型;电化学阻抗;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号