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金属学报  1996, Vol. 32 Issue (3): 284-288    
  论文 本期目录 | 过刊浏览 |
310不锈钢在H_2S/H_2/CO_2混合气氛中的高温腐蚀
李陵川;朱日彰
清华大学;北京科技大学
HIGH TEMPERATURE CORROSION OF 310SS IN GAS MIXTURE OF H_2S/ H_2/CO_2
LI Lingchuan(Tsinghua University; Beijing 100084); ZHU Rizhang(University of Science and Technology Beijing; Beijing 100083)(Manuscript received 1995-06-27; in revised form 1995-10-1 0)
引用本文:

李陵川;朱日彰. 310不锈钢在H_2S/H_2/CO_2混合气氛中的高温腐蚀[J]. 金属学报, 1996, 32(3): 284-288.
, . HIGH TEMPERATURE CORROSION OF 310SS IN GAS MIXTURE OF H_2S/ H_2/CO_2[J]. Acta Metall Sin, 1996, 32(3): 284-288.

全文: PDF(476 KB)  
摘要: 310不锈钢在0.4%H2S/H2/7%CO2的混合气氛中于600℃发生硫化腐蚀。前50h的腐蚀遵从抛物线规律,延长至250h的腐蚀其增重低于抛物线增长,这一转变对应于内层铬硫化物由分散的颗粒态生长成为连续层。腐蚀产物层可以分为三层:最外FeS层,中间为尖晶石结构的FeCr2S4层和最内Cr3S4层
关键词 混合气氛腐蚀硫化310不锈钢    
Abstract:The corrosion of 3 10SS in gas mixture of 0.4H2S / H2 / 7%CO2 at 600℃was in the form of sulfidation. The mass gain due to corrosion obeyed parabolic rate law for the initial 50 h but subsequently lower rate was observed for long time exposure up to 250 h. Such change in kinetics corresponded to structure modification of the innermost layer of chromium sulfide from its particle distribution to a continuous layer. The scale consisted of the outermost layer of FeS, the middle layer of FeCr2S4 and the innermost layer of Cr3S4. Correspondent: LI Lingchuan, Department of Materials Science and Engineering, Tsinghua University, Beijing100084
Key words corrosion    sulfidation    3 10SS
收稿日期: 1996-03-18     
基金资助:国家自然科学基金
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