铸造技术2011，Vol.32Issue(2)：179-183,5.
Cr13Si5铁素体耐热钢1100℃下高温抗氧化性能研究
Research on Anti-oxidation Properties of Cr13Si5 Ferritic Heat Resistant Steel under 1100℃
赵庆贺 1刘俊友 1刘杰2
作者信息
- 1. 北京科技大学材料科学与工程学院,北京100083
- 2. 北京北科德瑞冶金工程技术有限公司,北京100083
- 折叠
摘要
Abstract
In order to prolong the life of the inner liner of coke can, a low cost material, Cr13Si5 heat-resisting steel was designed. By OM, SEM, EDS and XRD, its anti-oxidation law was analyzed on chemical constituent and as-cast structure and the morphology, composition and location of the oxide films at 1 000 ℃. The results show that the oxidation resistance of Cr13Si5 ferritic heatresistant steel is good at 1 000℃ because of SiO2 layer and MnCr2O4 layer. SiO2 layer is on the matrix which lowers the oxidation rate considerably. The big size carbides break the completeness of the oxide film, cause the spallation and reject the formation of the early oxide film. But the small size carbides between the austenite and ferrite have little influence.关键词
铁素体耐热钢/高温氧化/SiO2/MnCr2O4分类
金属材料引用本文复制引用
赵庆贺,刘俊友,刘杰..Cr13Si5铁素体耐热钢1100℃下高温抗氧化性能研究[J].铸造技术,2011,32(2):179-183,5.
