摘要
研究了耐热钢表面化学气相沉积碳化硅的工艺.比较了耐热钢、碳化钛膜和碳化钛/碳化硅双层膜在O2+Br2+Ar气氛中的高温腐蚀行为,通过热力学分析,解释了腐蚀动力学现象,证明了在耐热钢表面被覆碳化钛/碳化硅双层膜可以大幅度提高其抗高温腐蚀能力。
Deposition process of SiC on the surface of a heat resisting steel OCr19Ni9 by CVD was investigated. High temperature corrosion behaviours of OCr19Ni9, TiC coating and SiC coating in an O2-Br2-Ar atmosphere were compared. The corrosion kinetics of SiC is interpreted in terms of thermodynamics. It is proved that a dual layer film of TiC/SiC deposited on the heat resisting steel can greatly improve its high temperature corrosion resistance.
出处
《长春工业大学学报》
CAS
2003年第3期28-31,共4页
Journal of Changchun University of Technology
