镍基单晶叶片制造技术及再结晶研究进展

针对航空发动机单晶涡轮叶片的制造技术以及再结晶缺陷进行分析，结合国内外研究现状，从单晶空心涡轮叶片铸造技术、单晶空心涡轮叶片再结晶缺陷及单晶叶片再结晶控制方法等方面，对单晶叶片制造技术及再结晶控制方法取得的研究成果进行总结和分析。重点介绍了叶片制造技术和再结晶控制技术的方法及研究。对我国单晶空心涡轮叶片制造技术及再结晶缺陷的进一步研究重点进行分析。

Development of Manufacture Technology and Recrystallization Study for Nickel Based Single Crystal Hollow Turbine Blade

Aiming at the manufacture technology of aeroengine single crystal turbine blades and recrystallization defect, combined with the research status at home and abroad, from the single crystal hollow turbine blade casting technol-ogy, single crystal hollow turbine blade recrystallization defect and control method of single crystal blades recrystallization, etc., the manufacture technology and recrystallization control methods to obtain the research results are summarized and analyzed. It focuses on the manufacture technology of the blade and recrystallization control technology and the research. Combined with the above analysis, further research of the manufacture technology of the single crystal hollow turbine blade and recrystallization defect as a priority is analyzed.