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Solidification behavior of Ni-base superalloy Udimet 720Li
Chang, Litao; Jin, Hao; Sun, Wenru; ltchang@alum.imr.ac.cn
2015
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume653Pages:266-270
AbstractA series of experiments have been conducted to investigate the solidification behavior of Ni-base superalloy Udimet 720Li. The results show that solidification of the alloy proceeds as follows: Liquid (L) -> L + gamma, L -> L + gamma + MC-Carbide, L -> L + gamma/gamma'-Eutectic, L -> eta-phase. The formation of gamma/gamma'-Eutectic is induced by the rejection of gamma' phase forming elements into the liquid during primary g phase precipitation. The limited solubility of Ti in primary g phase and gamma/gamma' Eutectic is the main reason that leads to the formation of h-phase. Boride and enrichment of boron have not been detected in the sample. The solidification is terminated by the formation of h-phase. gamma' phase precipitates in the matrix during subsequent cooling. (C) 2015 Elsevier B.V. All rights reserved.
description.department[chang, litao] xian univ technol, sch mat sci & engn, xian 710048, peoples r china ; [chang, litao ; jin, hao ; sun, wenru] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordSuperalloy U720li Solidification Gamma/gamma' Eutectic Eta-phase
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75120
Collection中国科学院金属研究所
Corresponding Authorltchang@alum.imr.ac.cn
Recommended Citation
GB/T 7714
Chang, Litao,Jin, Hao,Sun, Wenru,et al. Solidification behavior of Ni-base superalloy Udimet 720Li[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,653:266-270.
APA Chang, Litao,Jin, Hao,Sun, Wenru,<chang@alum.imr.ac.cn.(2015).Solidification behavior of Ni-base superalloy Udimet 720Li.JOURNAL OF ALLOYS AND COMPOUNDS,653,266-270.
MLA Chang, Litao,et al."Solidification behavior of Ni-base superalloy Udimet 720Li".JOURNAL OF ALLOYS AND COMPOUNDS 653(2015):266-270.
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