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The interdendritic-melt solidification control (IMSC) and its effects on the porosity and phase change of a Ni-based superalloy

Zheng, Liang; Zhang, Guoqing; Xiao, Chengbo; Lee, T. L.; Han, Bo; Li, Zhou; Daisenberger, Dominik; Mi, J.

Authors

Liang Zheng

Guoqing Zhang

Chengbo Xiao

T. L. Lee

Bo Han

Zhou Li

Dominik Daisenberger



Abstract

A novel interdendritic-melt solidification control (IMSC) technique is developed to manufacture equiaxed Ni-based superalloy with much reduced porosity. The basic concept of IMSC is illustrated. The effects of IMSC on the porosity and phases of IN792 alloy are investigated using quantitative metallography and synchrotron X-ray diffraction. Compared to conventional investment casting, IMSC can produce castings with no shrinkage porosity, much less microporosity and larger dendritic arm spacing, slightly larger sized eutectic (γ + γ′) and MC carbides, and has no significant effects on the relative amount of phases. © 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Citation

Zheng, L., Zhang, G., Xiao, C., Lee, T. L., Han, B., Li, Z., Daisenberger, D., & Mi, J. (2014). The interdendritic-melt solidification control (IMSC) and its effects on the porosity and phase change of a Ni-based superalloy. Scripta materialia, 74, 84-87. https://doi.org/10.1016/j.scriptamat.2013.11.001

Journal Article Type Article
Acceptance Date Nov 4, 2013
Online Publication Date Nov 9, 2013
Publication Date 2014-03
Deposit Date Apr 11, 2022
Journal Scripta Materialia
Print ISSN 1359-6462
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 74
Pages 84-87
DOI https://doi.org/10.1016/j.scriptamat.2013.11.001
Public URL https://hull-repository.worktribe.com/output/3607278