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金属学报  1996, Vol. 32 Issue (2): 191-196    
  论文 本期目录 | 过刊浏览 |
含共晶碳化物Fe-Cr-Mn合金在高温含硫气氛中的腐蚀研究
邢建东;汪文虎;高义民;王恩泽
西安交通大学
CORROSION OF Fe-Cr-Mn ALLOY CONTAINING EUTECTIC CARBIDE UNDER SULFUR ATMOSPHERE
XING Jiandong; WANG Wenhu; GAO Yimin; WANG Enzhe(Xi'an jiaotong University; Xi'an 710049)(Manuscript received 1995-04-17; in revised form 1995-11-13)
引用本文:

邢建东;汪文虎;高义民;王恩泽. 含共晶碳化物Fe-Cr-Mn合金在高温含硫气氛中的腐蚀研究[J]. 金属学报, 1996, 32(2): 191-196.
, , , . CORROSION OF Fe-Cr-Mn ALLOY CONTAINING EUTECTIC CARBIDE UNDER SULFUR ATMOSPHERE[J]. Acta Metall Sin, 1996, 32(2): 191-196.

全文: PDF(523 KB)  
摘要: 对含碳量为0.50-2.63%的Fc-Cr-Mn合金在800℃下含硫混合气氛中进行腐蚀试验.用X射线物相分析法分析了腐蚀产物种类及其相对含量,现实测定了元素在腐蚀产物中的分布及试样亚表层共晶碳化物的腐蚀行为。结果表明:试验合金比高Ni耐热钢具有高的抗腐蚀性;合金的腐蚀行为受硫化及氧化腐蚀双重制约,因而使合金的腐蚀增重呈现峰值,随气氛氧化性增强,峰值向低碳方向移动;共晶碳化物具有比金属基体略好的抗腐蚀性。
关键词 硫化腐蚀共晶碳化物耐热合金    
Abstract:Corrosion test at 800℃ was carried out in mixed sulfur atmosphere for Fe-Cr-Mn alloys containing various contents of C ranging from 0.50 % to 2.63 %. The types and relative contents of corrosion scale were analyzed by X-ray diffraction. The distribution of elements and corrosion behaviour of eutectic carbide were examined. Results show that the corrosion resistance of the studied alloys is better than that of high Ni heat resisteant steel. The corrosion behaviour of alloys under tested conditions is controlled by the sulphuration and oxidation corrosion and so make a peak value of the mass gain of the alloys.With the strengthening of oxidational atmosphere the peak value is moved toward low carbon side. The eutectic carbide is more corrosion resistant than matrix.(Correspondent: XING Jiandong, professor, College of Mechanical Engineering, Xi'an Jiaotong University,Xi'an 710049)
Key words sulfur corrosion    eutectic carbide    heat resistant alloy
收稿日期: 1996-02-18     
基金资助:国家教委博士学科点专项科研基金
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