会议论文详细信息
9th International Symposium on Electromagnetic Processing of Materials
MHD-equipment and technologies of semi-continuous billet casting of high-strength Al-alloys
材料科学;物理学
Slazhniev, M.A.^1 ; Kim, K.H.^1 ; Sim, H.S.^1 ; Kim, S.W.^1 ; Kim, W.J.^1
Dong San Tech. Co. Itd., 169 Hamansandanro, Hamangun, Gyeongnam, Korea, Republic of^1
关键词: Billet casting;    Billet continuous casting;    Chemical compositions;    Conceptual approaches;    Electromagnetic stirring;    Foundry equipment;    High strength aluminum alloys;    Melt temperature;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/424/1/012079/pdf
DOI  :  10.1088/1757-899X/424/1/012079
学科分类:材料科学(综合)
来源: IOP
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【 摘 要 】

In this study, there are presented design and conceptual approaches developments for 2 (two) kinds of the original complex technological foundry equipment for the melting, holding and managed electromagnetic magneto-hydrodynamic high-strength aluminum alloys pouring at continuous billet casting processes. First kind performed as MHD-complex device created on base of the magneto-dynamic installation (MDI MDN-6A-0.63-WMD-M), that has applied as mixer-batcher with 630 kg capacity by Al-alloys with electromagnetic pump (up to 0.35 bar pressure). An experimental approbation for workability of the developed technologies for MHD-semi continuous billet casting, by means open stream melt feeding into 7 inch crystallizer and by progressive hot-top closed process, at the producing 1.0 meter of 7' billet from Al-Zn-Mg-Cu wrought alloy has been executed. As second kind, there are developed conceptual design of 500 kg capacity by Al-Alloy pilot plant of the foundry equipment for the melting, holding and managed electromagnetic continuous billet casting, comprised upgraded tilting reverberator melting furnace combined with multifunctional horizontal magneto-hydrodynamic units (MHDU), as a W-shaped induction channel with 2 inductors (2 × 20kW) and external C-type electromagnet (0.01∼0.3T). MHDU provide homogenization melt temperature (650∼850°C) and it chemical compositions (at circulation melt intermixing 0.5∼3.0kg/s) and at the switching electromagnet of electromagnetic melt pouring with managed flow rate 0.05kg/s ∼ 15kg/s to tundish of the 3∼10 inches billet continuous casting machine (CCM).

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