Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD)

doi:10.1016/j.matlet.2022.132092

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	Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD)
	Liang, Zhuoheng 3,4,5; Zhang, Yongzhong 3,4,5; Liu, Yantao 3,4,5; Zhu, Zhengwang 1,2; Zhang, Haifeng 1,2
刊名	MATERIALS LETTERS
	2022-06-15
卷号	317 页码:4
关键词	Eutectic high-entropy alloys Laser melting deposition Additive manufacturing Microstructure Herringbone structure
ISSN号	0167-577X
DOI	10.1016/j.matlet.2022.132092
通讯作者	Zhang, Yongzhong(yyzhang@grinm.com)
英文摘要	In this study, laser melting deposition (LMD) was used to form AlCoCrFeNi2.1 eutectic high-entropy alloys (EHEAs) to solve the formability problems. EHEAs were prepared with laser power of 600 W, scanning rate of 4 mm/s, powder feeding rate of 8 g/min. The microstructure and mechanical properties of the as-deposited alloy and the as-cast alloy were evaluated. The eutectic structure containing L1(2) and B2 phases is retained and grows along the deposition direction to form a characteristic herringbone structure. This characteristic structure makes the mechanical properties of the as-deposited alloy (sigma(b) = 1097 +/- 9 MPa, delta = 22 +/- 2% in vertical; sigma(b) = 996 +/- 6 MPa, delta = 14 +/- 2% in horizontal) are significantly improved compared to the as-cast alloy (sigma(b) = 980 +/- 6 MPa, delta = 14 +/- 2%).
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000850461200001
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/175094]
专题	金属研究所_中国科学院金属研究所
通讯作者	Zhang, Yongzhong
作者单位	1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 3.Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China 4.GRINM Met Composites Technol Co Ltd, Beijing 101407, Peoples R China 5.Natl Engn & Technol Res Ctr Nonferrous Met Compos, GRINM Grp Corp Ltd, Beijing 101407, Peoples R China
推荐引用方式 GB/T 7714	Liang, Zhuoheng,Zhang, Yongzhong,Liu, Yantao,et al. Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD)[J]. MATERIALS LETTERS,2022,317:4.
APA	Liang, Zhuoheng,Zhang, Yongzhong,Liu, Yantao,Zhu, Zhengwang,&Zhang, Haifeng.(2022).Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD).MATERIALS LETTERS,317,4.
MLA	Liang, Zhuoheng,et al."Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD)".MATERIALS LETTERS 317(2022):4.