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中国腐蚀与防护学报  1991, Vol. 11 Issue (1): 92-98    
  研究报告 本期目录 | 过刊浏览 |
用RBS和RNR研究表面涂覆CeO_2对Fe-25Cr合金高温氧化的影响
俞方华;潘浩昌;沈嘉年;杨国华;李铁藩;朱德彰;陈寿面;曹建清;曹德新
中国科学院上海原子核研究所;中国科学院上海原子核研究所;中国科学院腐蚀科学开放研究实验室;中国科学院上海原子核研究所;中国科学院腐蚀科学开放研究实验室;中国科学院上海原子核研究所;中国科学院上海原子核研究所;中国科学院上海原子核研究所;中国科学院上海原子核研究所
A RBS AND RNA STUDY OF THE EFFECT OF CeO_2 SURFACE COATING ON HIGH-TEMPERATURE OXIDATION OF Fe-25Cr ALLOY
Yu Fanghua Pan Haochang Shen Jianian Yang Guohua Li Tiefan Zhu Dezhang Chen Shoumian Cao Jianqing and Cao Dexin (1-Shanghai Institute of Nuclear Research;Academia Sinica) (2-Corrosion Science Luturatory;Academia Sinica)
全文: PDF(789 KB)  
摘要: <正> 一、引言许多研究结果表明,将微量 Ce、Y、Hf 和 Th 或其氧化物添加于形成 Cr_2O_3保护层的 Fe~Cr 系合金中可以大大提高抗氧化性能。一些结果还表明,把这些活性元素的氧化物用涂覆方法或溅射方法作用合金表面,合金的抗氧化性能也同样可以得到改善。尽管已有许多模型试图解释这种活性元素的作用,但迄今为止,还没有一个为人们所普遍接受。
Abstract:The effect of CeO_2 surface coating on the high temperature oxidation kinetics of Fe- 25Cr alloy and the Cr/Fe atom ratio in the surface layer of oxide film was investigated by Rutherford-Backscattering Spectrum (RBS) and resonant Nuclear Reaction Analgsis (RNA).The results indicated that the oxide growth rate of CeO_2 surface coated Fe-25Cr reduced about 26%,and that the Cr/Fe atom ratio in surface layer of oxide film was twice that for the alloy without CeO_2 surface coating.RBS spectra also showed that CeO_2 content in the surface layer of the oxide film reduced with oxidation time.This effect may result from the overlap of Cr_2O_3 on CeO_2.
收稿日期: 1991-02-25     
基金资助:中国科学院腐蚀科学开放研究实验室课题

引用本文:

俞方华;潘浩昌;沈嘉年;杨国华;李铁藩;朱德彰;陈寿面;曹建清;曹德新. 用RBS和RNR研究表面涂覆CeO_2对Fe-25Cr合金高温氧化的影响[J]. 中国腐蚀与防护学报, 1991, 11(1): 92-98.
. A RBS AND RNA STUDY OF THE EFFECT OF CeO_2 SURFACE COATING ON HIGH-TEMPERATURE OXIDATION OF Fe-25Cr ALLOY. J Chin Soc Corr Pro, 1991, 11(1): 92-98.

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https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y1991/V11/I1/92

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