Effects of Withdrawal Rate on the Microstructure of Directionally Solidified GH4720Li Superalloys

Effects of Withdrawal Rate on the Microstructure of Directionally Solidified GH4720Li Superalloys

Increasing the ingot size of GH4720Li superalloys makes it difficult to control their microstructure, and the withdrawal rate is an important factor in controlling and refining the microstructure of GH4720Li superalloys. In this study, GH4720Li superalloy samples were prepared via Bridgman-type dire...

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Bibliographic Details
Main Authors: Jinglong Qu, Shufeng Yang, Zhengyang Chen, Jingshe Li, Anping Dong, Yu Gu
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Materials
Subjects:
withdrawal rate
GH4720Li
microstructure
average secondary dendrite arm spacing
γ’ phase
segregation coefficient
Online Access:http://www.mdpi.com/1996-1944/12/5/771

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