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Microstructural evolution of a nickel-base single-crystal superalloy during high-temperature homogenisation
Li, Xiangwei; Ding, Rengen; Wen, Donghui; Wang, Yao; Chu, Mingqiang; Wang, Li; Zhang, Peng; Zhang, Shuyan
2020-12-04
Source PublicationMATERIALS SCIENCE AND TECHNOLOGY
AbstractMicrostructural evolution of a nickel-base single-crystal superalloy during homogenisation at ultra-high temperature has been investigated using scanning electron microscope and electron probe microanalyzer. The results show that incipient melting occurs and all gamma/gamma ' eutectics are re-melted into liquid after 1 h homogenisation at 1350 degrees C. The volume fraction of IM decreases gradually with increasing homogenisation time. The IM disappears totally after 14 h homogenisation. Moreover, the formation of the TCP phase is suppressed during long-term thermal exposure at 1100 degrees C for the reduction of element segregation, especially the segregation of refractory element Re was reduced during ultra-high-temperature homogenisation. The microstructure evolution of IM was discussed based on the element diffusion during homogenisation.
DOI10.1080/02670836.2020.1852514
WOS IDWOS:000596217800001
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82314
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Xiangwei,Ding, Rengen,Wen, Donghui,et al. Microstructural evolution of a nickel-base single-crystal superalloy during high-temperature homogenisation[J]. MATERIALS SCIENCE AND TECHNOLOGY,2020.
APA Li, Xiangwei.,Ding, Rengen.,Wen, Donghui.,Wang, Yao.,Chu, Mingqiang.,...&Zhang, Shuyan.(2020).Microstructural evolution of a nickel-base single-crystal superalloy during high-temperature homogenisation.MATERIALS SCIENCE AND TECHNOLOGY.
MLA Li, Xiangwei,et al."Microstructural evolution of a nickel-base single-crystal superalloy during high-temperature homogenisation".MATERIALS SCIENCE AND TECHNOLOGY (2020).
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