一种镍基高温合金的高温HCl腐蚀行为
周一鸣, 韩勇军, 谢光, 郑伟, 肖炎彬, 潘阳, 张健

High-Temperature Corrosion Behavior of a Nickel-Based Superalloy in HCl-Containing Atmosphere
ZHOU Yiming, HAN Yongjun, XIE Guang, ZHENG Wei, XIAO Yanbin, PAN Yang, ZHANG Jian
表1 镍基高温合金在960 ℃含5%HCl气氛中腐蚀不同时间后腐蚀产物的XRD物相分析结果
Table 1 Phases identified by XRD of the corrosion products for nickel-based superalloy after corrosion in 5%HCl-containing atmosphere at 960 oC for different time
Samplet / hPhase
Nickel-based superalloy25Ni3(Al, Ti) (vs), TiO2 (m), Cr2O3 (w), Al2O3 (w)
Nickel-based superalloy50Ni3(Al, Ti) (vs), TiO2 (s), Cr2O3 (m), Al2O3 (m)
Nickel-based superalloy75Ni3(Al, Ti) (vs), TiO2 (m), Cr2O3 (m), Al2O3 (m), CrTaO4 (m)
Nickel-based superalloy100Ni3(Al, Ti) (vs), TiO2 (m), Cr2O3 (w), Al2O3 (m), Ta2O5 (m), CrTaO4 (w)
Nickel-based superalloy200Ni3(Al,Ti) (vs), TiO2 (s), Cr2O3 (s), Al2O3 (w), Ta2O5 (m), CrTaO4 (w)
Volatile corrosion product25MoCl5 (vs), TiCl3 (vs), CrCl2 (s), MoOCl4 (s), CrClO (m), TaO(ClO4)3 (w), WCl6 (w)
Volatile corrosion product100MoCl5 (vs), TiCl3 (vs), CrCl2 (s), MoOCl4 (s), CrClO (m), TaO(ClO4)3 (w), WCl6 (w)