摘要
【目的】随着国家“双碳”战略(碳达峰、碳中和)的实施,现有的热防护涂层结构难以满足未来燃气轮机热防护涂层的要求。针对掺氢燃气轮机对热防护涂层的需求,提出了抗高温腐蚀的新型环境/热障涂层(environmental/thermal barrier coatings,E/TBC)结构的概念。【方法】从热防护涂层材料和涂层结构的角度,简要回顾及分析了热障涂层(thermal barrier coatings, TBC)、环境障涂层(environmental barrier coatings, EBC)、热障/环境障涂层(thermal/environmental barrier coatings,T/EBC)和热环境障涂层(thermal environmental barrier coatings,TEBC)的发展历程和研究现状,进而考察上述涂层结构与掺氢燃气轮机对热防护涂层需求之间的差距。【结果】将EBC的功能叠加到目前掺氢燃气轮机的热防护涂层上,从而在高温合金基体上形成一种抗高温腐蚀的新型E/TBC结构具有合理性。【结论】通过初步试验,证明E/TBC结构适用于掺氢燃气轮机抗高温水氧腐蚀的热防护涂层要求,指出应大力开展这种新型E/TBC热防护涂层的理论和应用研究。
[Objectives]With the implementation of the national“Dual Carbon Strategy”(carbon peak and carbon neutrality),it is anticipated that the existing coating structures may not meet the requirements of future gas turbine thermal protection coatings.The concept of a new type of environmental/thermal barrier coating(E/TBC)structure with high temperature corrosion resistance has been proposed to meet the demand for thermal protection coatings in hybrid hydrogen combustion engines.[Methods]The development history and research status of thermal barrier coating(TBC),environmental barrier coating(EBC),thermal/environmental barrier coating(T/EBC)and thermal and environmental barrier coating(TEBC)were reviewed and analyzed from the perspective of thermal protection coating materials and coating structures.Moreover,the gap between the above coating structures and the requirementsof thermal protection coating for mixed hydrogen gas turbines was investigated.[Results]It is reasonable to superimpose the function of EBC onto the thermal protection coating of current mixed hydrogen gas turbines,thereby forming a new type of E/TBC structure with high temperature corrosion resistance on the high-temperature alloy substrate.[Conclusions]Through the preliminary test,it is proved that the new E/TBC structure is suitable for the thermal protection coating requirements of mixed hydrogen gas turbine against high temperature water oxygen corrosion,and it is pointed out that the theory and application research of this new E/TBC thermal protection coating should be vigorously carried out.
作者
王铀
张晓东
郝佩
韩旭
邓路炜
李国强
魏福双
吉祥
WANG You;ZHANG Xiaodong;HAO Pei;HAN Xu;DENG Luwei;LI Guoqiang;WEI Fushuang;JI Xiang(School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,Heilongjiang Province,China)
出处
《发电技术》
CSCD
2024年第5期868-877,共10页
Power Generation Technology
基金
国家自然科学基金项目(52371062)
国家重点研发计划项目(2020YFB2007900)
国家科技重大专项(2017-VI-0020-0093)。
关键词
燃气轮机
氢燃料
掺氢燃气轮机
热障涂层
腐蚀防护
结构设计
gas turbine
hydrogen fuel
hydrogen doped gas turbines
thermal barrier coatings(TBC)
corrosion prevention
structural design of coatings
