南方科技大学知识苑(SUSTech KC): Slurry preparation for semi-solid metal direct writing by a novel approach of mixed powder remelting

题名	Slurry preparation for semi-solid metal direct writing by a novel approach of mixed powder remelting
作者	Li, Z.1,2,3 ; Hu, X. G.1,2 ; Qu, W. Y.4; Zhou, Y.1,2 ; Guo, C.2,5 ; Lu, H. X.1,2 ; M, X. X.1; Mohagheghian, I.3; Whiting, M. J.3; Zhu, Q.1,2
通讯作者	Hu, X. G.; Zhu, Q.
发表日期	2023-08-01
DOI	10.1016/j.powtec.2023.118673
发表期刊	POWDER TECHNOLOGY 影响因子和分区
ISSN	0032-5910
EISSN	1873-328X
卷号	426
摘要	Extrusion-based metal direct writing is a promising metal additive manufacturing technology due to its high efficiency and low cost. However, fabricating parts with high integrity and complex geometry remains challenging. The most critical factor is the unavailable of semi-solid slurries with uniform and nearly spherical solid particles, resulting in uncontrollable extrusion and printing. Currently, mixed powder remelting (MPR) is reported to preset the features of the solid phases, including volume fraction, morphology, and size distribution. Specifically, the semi-solid slurries of hypoeutectic Al-Si alloys were obtained by preheating and shearing the mixed powder composed of eutectic Al-Si alloy powder and pure aluminum powder. Their microstructural characteristics and rheological behavior were investigated, demonstrating the microstructure tailoring (controllable solid fraction and size distribution, high shape factor of about 0.9) and the reduced viscosity fluctuation by a factor of 7 compared with traditional processes. MPR shows unparalleled advantages for further engineering applications of metal direct writing.
关键词	Metal direct writing Semi-solid processing Aluminum alloys Solid fraction Shape factor
相关链接	[来源记录]
收录类别	SCI ; EI
语种	英语
学校署名	第一 ; 通讯
资助项目	National Natural Science Foundation of China["51805238","52250710160"] ; Shenzhen Science and Technology Innovation Committee, Shenzhen, China["KQTD20170328154443162","JCYJ20210324104610029","JCYJ20220818100613028"]
WOS研究方向	Engineering
WOS类目	Engineering, Chemical
WOS记录号	WOS:001011538200001
出版者	ELSEVIER
EI入藏号	20232614298496
EI主题词	Extrusion ; Morphology ; Powder metals ; Remelting ; Silicon alloys ; Size distribution
EI分类号	Foundries:534.1 ; Aluminum Alloys:541.2 ; Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3 ; Mathematical Statistics:922.2 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Materials Science:951
ESI学科分类	CHEMISTRY
来源库	Web of Science
引用统计	被引频次[WOS]：1
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/549147
专题	工学院_机械与能源工程系
作者单位	1.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China 2.Southern Univ Sci & Technol, Shenzhen Key Lab Addit Mfg High Performance Mat, Shenzhen 518055, Peoples R China 3.Univ Surrey, Dept Mech Engn Sci, Guildford GU2 7XH, Surrey, England 4.BYD Auto Ind Co Ltd, Shenzhen 518118, Peoples R China 5.CityU Shenzhen Futian Res Inst, Shenzhen 518045, Peoples R China
第一作者单位	机械与能源工程系; 南方科技大学
通讯作者单位	机械与能源工程系; 南方科技大学
第一作者的第一单位	机械与能源工程系
推荐引用方式 GB/T 7714	Li, Z.,Hu, X. G.,Qu, W. Y.,et al. Slurry preparation for semi-solid metal direct writing by a novel approach of mixed powder remelting[J]. POWDER TECHNOLOGY,2023,426.
APA	Li, Z..,Hu, X. G..,Qu, W. Y..,Zhou, Y..,Guo, C..,...&Zhu, Q..(2023).Slurry preparation for semi-solid metal direct writing by a novel approach of mixed powder remelting.POWDER TECHNOLOGY,426.
MLA	Li, Z.,et al."Slurry preparation for semi-solid metal direct writing by a novel approach of mixed powder remelting".POWDER TECHNOLOGY 426(2023).