Effect of solid solution elements on cracking susceptibility of Ni-based superalloys during additive manufacturing

doi:10.1016/j.jmst.2023.11.073

IMR OpenIR

	Effect of solid solution elements on cracking susceptibility of Ni-based superalloys during additive manufacturing
	Zhang, Xue 1,2; Mu, Yahang 1,2; Lu, Nannan 2; Li, Qi 2; Chen, Shaofeng 2,3; Zhou, Yizhou 2; Sun, Xiaofeng 2; Liang, Jingjing 1,2; Li, Jinguo 1,2
通讯作者	Liang, Jingjing(jjliang@imr.ac.cn) ; Li, Jinguo(jgli@imr.ac.cn)
	2024-08-10
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	190 页码:218-228
摘要	Alloy composition design usually contributes to eliminating cracking in Ni-based superalloys during additive manufacturing (AM). However, a detailed understanding of each solid solution element in the cracking susceptibility of Ni-based superalloys during AM is still missing. Thirteen newly designed alloys are considered to investigate the combined effect of solid solution elements on cracking susceptibility. The behaviors of solidification cracking, liquation cracking, and solid-state cracking were analyzed by the microstructural characterization and thermodynamic calculations. The results showed that W and Mo cause the formation of high melting-point carbides at grain boundaries (GBs), which increase solidification cracking susceptibility. Moreover, W and Mo lead to a slightly higher solidification cracking index (SCI) compared to Co, Cr, and Re. In the successive solidification and remelting process, the borides enriched in W, Mo, and B around GBs will cause grain boundary segregation and liquation cracking. W and Re extend the freezing range (FR) and exacerbate the segregation of Al and Ti in the inter-dendritic regions, contributing to the formation of eutectics. Similarly, complete or partial melting of the eutectic can induce liquation cracking during the thermal cycling in AM. The solid-state cracking susceptibility can be reduced by solid solution elements, especially Re and Co. In summary, compared to Co, Cr, and Re, W and Mo exacerbate the cracking susceptibility. (c) 2024 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词	Additive manufacturing Ni-based superalloys Cracking susceptibility Solid solution elements
资助者	National Science and Tech- nology Major Project, China ; Science Center for Gas Turbine Project
DOI	10.1016/j.jmst.2023.11.073
收录类别	SCI
语种	英语
资助项目	National Science and Tech- nology Major Project, China[Y2019 -VII -0011-0151] ; Science Center for Gas Turbine Project[(P2022 -C-IV -0 02-0 01)]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001183539400001
出版者	JOURNAL MATER SCI TECHNOL
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/185042
专题	中国科学院金属研究所
通讯作者	Liang, Jingjing; Li, Jinguo
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shi changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 3.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xue,Mu, Yahang,Lu, Nannan,et al. Effect of solid solution elements on cracking susceptibility of Ni-based superalloys during additive manufacturing[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2024,190:218-228.
APA	Zhang, Xue.,Mu, Yahang.,Lu, Nannan.,Li, Qi.,Chen, Shaofeng.,...&Li, Jinguo.(2024).Effect of solid solution elements on cracking susceptibility of Ni-based superalloys during additive manufacturing.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,190,218-228.
MLA	Zhang, Xue,et al."Effect of solid solution elements on cracking susceptibility of Ni-based superalloys during additive manufacturing".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 190(2024):218-228.