Effect of melt overheating history on the microstructure of Ni-base single crystal superalloy

M. M. Zou, J. Zhang, B. Li, L. J. Zhu, L. Liu, H. Z. Fu

科研成果: 书/报告/会议事项章节会议稿件同行评审

4 引用 (Scopus)

摘要

With the unchanged thermal gradient and withdrawal speed, the effect of melt overheating history on the microstructure of Ni-base single crystal superalloy is investigated. The results show that the dendrite structure and γ' phase in interdendritic area is obviously refined when overheating temperature increased from 1500 °C to 1640 °C and then to 1780 °C However, the microstructure is coarsen with the holding time is increased from 30 min to 45min and then to 60min when melt is overheated at 1780 for 30min.

源语言英语
主期刊名High Performance Structures and Materials Engineering
692-696
页数5
DOI
出版状态已出版 - 2011
活动2011 1st International Conference on High Performance Structures and Materials Engineering, ICHPSM 2011 - Beijing, 中国
期限: 5 5月 20116 5月 2011

出版系列

姓名Advanced Materials Research
217-218
ISSN(印刷版)1022-6680

会议

会议2011 1st International Conference on High Performance Structures and Materials Engineering, ICHPSM 2011
国家/地区中国
Beijing
时期5/05/116/05/11

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