Alternative TitleResearch Progress of Nickel-Base Single Crystal Superalloys
孙晓峰; 金涛; 周亦胄; 胡壮麒
Source Publication中国材料进展
Other AbstractSingle crystal superalloys have been widely used to make turbine blades and guide vanes for aeroengines and industrial gas turbines because of improved strength, creeprupture, fatigue, oxidation and hot corrosion properties as well as stable microstructure and reliability at high temperature environments. After removal of grain boundary by using directional solidification technique, grain boundary elements that decrease the incipient melting temperature were reduced remarkably in single crystal superalloys. Consequently, the solution and aging treatment of single crystal superalloys can be done at higher temperature due to the enhanced incipient melting temperature, and then the high temperature strength of single crystal superalloys is higher than that of equiaxed and directionally solidified superalloys. There were great progresses on approach of alloy design, relationship between structure and mechanical performances, process of pure smelting and directional solidification in the last decades. The present work reviews these progresses from compositions of alloys, role of elements, mechanism of strengthening, anisotropy of mechanical properties, procedure of solidification, control of defects and processing of single crystal superalloys.
Keyword单晶高温合金 强化机理 定向凝固 各向异性
Indexed ByCSCD
Citation statistics
Cited Times:60[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
孙晓峰,金涛,周亦胄,等. 镍基单晶高温合金研究进展[J]. 中国材料进展,2012,31.0(012):1-11.
APA 孙晓峰,金涛,周亦胄,&胡壮麒.(2012).镍基单晶高温合金研究进展.中国材料进展,31.0(012),1-11.
MLA 孙晓峰,et al."镍基单晶高温合金研究进展".中国材料进展 31.0.012(2012):1-11.
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