| 热腐蚀的电化学机理初探 |
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| 引用本文： | 张允书,石声泰.热腐蚀的电化学机理初探[J].腐蚀科学与防护技术,1993,5(1):23-31. |
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| 作者姓名： | 张允书 石声泰 |
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| 作者单位： | 中国科学院上海冶金研究所，中国科学院上海冶金研究所 上海 200050，上海 200050 |
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| 基金项目： | 国家自然科学基金;;中国科学院腐蚀科学开放研究实验室资助 |
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| 摘 要： | 简要叙述至今仍普遍接受的热腐蚀的盐熔模型,以实验事实为依据较系统地阐述这一机理模型的局限性。根据热腐蚀的特点,吸收盐熔模型的合理成分,并考虑到热腐蚀与高温气体腐蚀的共性,提出热腐蚀的电化学模型。用这一新的模型描述金属和合金的热腐蚀历程。
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| 关 键 词： | 沉积盐 热腐蚀 盐熔机理 电化学机理 |
| 收稿时间： | 1993-01-25 |
| 修稿时间： | 1993-01-25 |
AN ELECTROCHEMICAL MODEL PROPOSED FOR HOT CORROSION MECHANISMS |
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| ZHANG Yunshu,SHIH Shengtai.AN ELECTROCHEMICAL MODEL PROPOSED FOR HOT CORROSION MECHANISMS[J].Corrosion Science and Protection Technology,1993,5(1):23-31. |
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| Authors: | ZHANG Yunshu SHIH Shengtai |
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| Abstract: | The widely accepted fluxing model of hot corrosion is briefly described, and limitations of the model are clarified in terms of experimental evidences. On the basis of electrochemical nature of reactions involved in hot corrosion an electrochemical model is preliminarily proposed to elucidate its mechanisms. The rational aspects of the fluxing model as well as the general characteristics existing in high temperature gaseous corrosion and hot corrosion are considered in the electrochemical model. The new model proposed is tenta tively used in the illustration of hot corrosion processes of metals and alloys |
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| Keywords: | salt deposits hot corrosion fluxing model electrochemical model |
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