Influence of Crystal Orientation on Freckle Formation in Single Crystal Heavy-Plate Castings

doi:10.1007/s11661-024-07575-6

IMR OpenIR

	Influence of Crystal Orientation on Freckle Formation in Single Crystal Heavy-Plate Castings
	Jiang, Weiguo 1,2; Han, Dongyu 3; Dong, Lin 1,2; Li, Kaiwen 4; Meng, Xiangbin 1,2; Li, Qiang 1,2
通讯作者	Jiang, Weiguo(jwg@wfust.edu.cn)
	2024-09-11
发表期刊	METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN	1073-5623
页码	14
摘要	The effect of the crystal orientation on freckle formation has been investigated in single crystal Ni-base superalloy heavy-plate castings. Single crystal superalloy heavy-plate castings grown along the <001> , <011> and <111> crystallographic orientations were prepared by the bottom seeding technique and Bridgman method. Optical microscopy (OM) and scanning electron microscopy (SEM) were employed to observe the microstructure, and electron backscatter diffraction (EBSD) was used to characterize the crystallographic orientation of the castings. The morphology of the mushy zone during directional solidification was simulated by ProCAST finite element software. The experimental results show that the space between primary dendrites at the (010) crystal plane of <011> oriented plate casting and the (100) crystal plane of <111> oriented plate casting is wider than that at the same corresponding crystal plane of <001> oriented plate casting. The occurrence of freckles depends not only on orientation but also on dendrite morphology. Compared with orientation, the freckle is more sensitive to dendrite morphology and the space between primary dendrites of the single crystal plates. The freckle formation tendency of the <001> orientation casting was the weakest among the three crystal orientation castings, and the reason for this tendency was discussed.
资助者	Natural Science Foundation of Shandong Province, China
DOI	10.1007/s11661-024-07575-6
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of Shandong Province, China[ZR2022ME066] ; Natural Science Foundation of Shandong Province, China[ZR2020ME110]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001310459000003
出版者	SPRINGER
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/189957
专题	中国科学院金属研究所
通讯作者	Jiang, Weiguo
作者单位	1.Weifang Univ Sci & Technol, Shouguang 262700, Shandong, Peoples R China 2.Weifang Key Lab High Temp Mat & Single Crystal Com, Dept Clin Lab, Shouguang 262700, Shandong, Peoples R China 3.Chinese Acad Sci, Shenyang Inst Automat, Shenyang 110169, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Jiang, Weiguo,Han, Dongyu,Dong, Lin,et al. Influence of Crystal Orientation on Freckle Formation in Single Crystal Heavy-Plate Castings[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2024:14.
APA	Jiang, Weiguo,Han, Dongyu,Dong, Lin,Li, Kaiwen,Meng, Xiangbin,&Li, Qiang.(2024).Influence of Crystal Orientation on Freckle Formation in Single Crystal Heavy-Plate Castings.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,14.
MLA	Jiang, Weiguo,et al."Influence of Crystal Orientation on Freckle Formation in Single Crystal Heavy-Plate Castings".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE (2024):14.