A novel Ni40Co18Cr18Fe14Al5Ti5 high entropy alloy with superior mechanical properties and broad printing window via selective laser melting

doi:10.1016/j.matdes.2024.112754

IMR OpenIR

	A novel Ni40Co18Cr18Fe14Al5Ti5 high entropy alloy with superior mechanical properties and broad printing window via selective laser melting
	Song, M.1,2; Ma, B. W.3,4; Huang, H. Q.3,4; Liu, L. X.3,4; Guo, R.3,4; Yin, Y. Z.3,4; Wang, H. T.5; Li, D. D.3,4; Li, N.3,4; Pan, J.1,3,4; Liu, L.3,4
通讯作者	Li, D. D.(lidongdong0@hust.edu.cn) ; Pan, J.(jpan@hust.edu.cn)
	2024-03-01
发表期刊	MATERIALS & DESIGN
ISSN	0264-1275
卷号	239 页码:9
摘要	3D printing technology has gained popularity in fabricating high-entropy alloys (HEAs) due to its inherent design adaptability and the capacity to create distinctive structural features. However, the field of 3D-printed HEAs has faced substantial challenges, primarily stemming from a narrow processing window and unsatisfactory mechanical properties. This study unveils a novel Ni40Co18Cr18Fe14Al5Ti5 HEA, suitable for selective laser melting (SLM) technology, showcasing a broad processing window and outstanding mechanical properties. The SLMproduced HEA exhibits near-full density and a hierarchical structure characterized by equiaxed grains without significant texture, cellular structures, and element segregation at cellular boundaries. Remarkably, this HEA demonstrates impressive mechanical performance across various printing parameters, highlighted by a yield strength of 811 MPa, an ultimate strength reaching 1071 MPa, and a tensile elongation of 29 % in the optimized sample. Microstructural analysis reveals that the synergistic effects of dislocation motion, stacking faults, and deformation-induced twinning contribute to the stable strain-hardening capability of the SLM-produced Ni40C- o18Cr18Fe14Al5Ti5 HEA.
关键词	High-entropy alloy Selective laser melting Mechanical performance Processing versatility Deformation twins
资助者	National Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Key R & D Program of Hubei ; Basic Research Support Program of Huazhong University of Science and Technology
DOI	10.1016/j.matdes.2024.112754
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[52022100] ; National Natural Science Foundation of China[52371155] ; National Natural Science Foundation of China[52171238] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2020194] ; Key R & D Program of Hubei[2022BAA023] ; Basic Research Support Program of Huazhong University of Science and Technology[5003110121]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:001199028900001
出版者	ELSEVIER SCI LTD
引用统计	被引频次：5[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/321006/185466
专题	中国科学院金属研究所
通讯作者	Li, D. D.; Pan, J.
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China 3.Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China 4.Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, Wuhan 430074, Peoples R China 5.Shenzhen Polytech Univ, Shenzhen 518055, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Song, M.,Ma, B. W.,Huang, H. Q.,et al. A novel Ni40Co18Cr18Fe14Al5Ti5 high entropy alloy with superior mechanical properties and broad printing window via selective laser melting[J]. MATERIALS & DESIGN,2024,239:9.
APA	Song, M..,Ma, B. W..,Huang, H. Q..,Liu, L. X..,Guo, R..,...&Liu, L..(2024).A novel Ni40Co18Cr18Fe14Al5Ti5 high entropy alloy with superior mechanical properties and broad printing window via selective laser melting.MATERIALS & DESIGN,239,9.
MLA	Song, M.,et al."A novel Ni40Co18Cr18Fe14Al5Ti5 high entropy alloy with superior mechanical properties and broad printing window via selective laser melting".MATERIALS & DESIGN 239(2024):9.