Process optimization and microstructure of Ti3Zr1.5NbVAl0.25 high entropy alloy produced by directed energy deposition

doi:10.1016/j.matchar.2024.114147

IMR OpenIR

	Process optimization and microstructure of Ti3Zr1.5NbVAl0.25 high entropy alloy produced by directed energy deposition
	Xiao, Bang 1,2; Li, Jingwen 2,3; Li, Songtao 1; Wang, Aimin 2; Fu, Huameng 2; Zhang, Haifeng 1; Zhu, Zhengwang 1
通讯作者	Li, Songtao(lisongtao@smm.neu.edu.cn) ; Zhu, Zhengwang(zwzhu@imr.ac.cn)
	2024-09-01
发表期刊	MATERIALS CHARACTERIZATION
ISSN	1044-5803
卷号	215 页码:12
摘要	As an emerging materials preparation method, directed energy deposition (DED) has its unique advantages in the preparation of high entropy alloys (HEAs). However, improper process parameters can lead to numerous defects, affecting material properties. In this study, a Ti3Zr1.5NbVAl0.25 HEA was produced by DED. The effects of process parameters on single track cladding layer (STCL) were studied by response surface methodology (RSM), and the parameters were optimized accordingly. It is indicated that the microstructure of the STCL is composed of columnar and equiaxed crystals and the grain growth is parallel to the heat flux direction. (001)//BD (building direction), (111)//SD (scanning direction) and {100}(001) textures were observed in molten pool. The microhardness of the molten pool measures 299.99 HV0.2, while the estimated Young's modulus and yield stress are 87.66 GPa and 945 MPa, respectively. This work provides unique insights into optimizing the DED process parameters of HEAs, further obtaining the solidification microstructure and mechanical properties of STCL.
关键词	Directed energy deposition High entropy alloys Response surface methodology Microstructure Mechanical properties
资助者	National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
DOI	10.1016/j.matchar.2024.114147
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[52074257] ; National Natural Science Foundation of China[52102121] ; Fundamental Research Funds for the Central Universities[N2325008]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
WOS记录号	WOS:001271983600001
出版者	ELSEVIER SCIENCE INC
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/188242
专题	中国科学院金属研究所
通讯作者	Li, Songtao; Zhu, Zhengwang
作者单位	1.Northeastern Univ, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Bang,Li, Jingwen,Li, Songtao,et al. Process optimization and microstructure of Ti3Zr1.5NbVAl0.25 high entropy alloy produced by directed energy deposition[J]. MATERIALS CHARACTERIZATION,2024,215:12.
APA	Xiao, Bang.,Li, Jingwen.,Li, Songtao.,Wang, Aimin.,Fu, Huameng.,...&Zhu, Zhengwang.(2024).Process optimization and microstructure of Ti3Zr1.5NbVAl0.25 high entropy alloy produced by directed energy deposition.MATERIALS CHARACTERIZATION,215,12.
MLA	Xiao, Bang,et al."Process optimization and microstructure of Ti3Zr1.5NbVAl0.25 high entropy alloy produced by directed energy deposition".MATERIALS CHARACTERIZATION 215(2024):12.