Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry

doi:10.1007/s11595-016-1501-x

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	Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry
	Luo XQ; Li ZY(李正阳); Shi XJ; Yan QZ; Yan, QZ (reprint author), Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China.
发表期刊	JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
	2016
卷号	31 期号:5 页码:1131-1136
ISSN	1000-2413
摘要	A novel micro fused-casting for metal (MFCM) process for producing A356 aluminum alloy slurry was proposed. MFCM means that the refined metal slurry is pressed out from the outlet of bottom of crucible to the horizontal movable plate. With the aid of 3D manufacturing software, the melt is solidified and formed layer by layer. The stirring could keep the ingredients and the heat diffusion of metal slurry uniform in the crucible due to the shear force breaking down the dendrite arms. The solidus and liquidus temperatures of A356 alloy were 559.2 and 626.3 degrees C, respectively, which were measured by differential scanning calorimetry (DSC). Effect of different stirring velocities of MFCM on the microstructure and mechanical properties of A356 slurry was investigated with the pouring temperature controlled at 620 degrees C. The microstructure and mechanical performance were the best when the stirring velocity was 1 200 r/min in MFCM. The microstructures of the A356 aluminum alloy slurry were mainly composed of fine spherical or rose grains. The average roundness and average grain size reached 2.2 and 41 mu m and the tensile strength of A356 alloy slurry reached 207.8 MPa, while the average vickers hardness was 81.1 HV.
DOI	10.1007/s11595-016-1501-x
URL	查看原文
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000393049400030
关键词[WOS]	micro fused-casting ; stirring velocity ; microstructure ; mechanical property
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
项目资助者	Funded by the National Natural Science Foundation of China(No. 51341009)
课题组名称	MAMYAG激光毛化技术
论文分区	Q4
引用统计
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/60088
专题	先进制造工艺力学实验室
通讯作者	Yan, QZ (reprint author), Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China.
推荐引用方式 GB/T 7714	Luo XQ,Li ZY,Shi XJ,et al. Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry[J]. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,2016,31,5,:1131-1136.
APA	Luo XQ,Li ZY,Shi XJ,Yan QZ,&Yan, QZ .(2016).Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry.JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,31(5),1131-1136.
MLA	Luo XQ,et al."Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry".JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION 31.5(2016):1131-1136.

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