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Superplastic Deformation of Twin Roll Cast AZ31 Magnesium Alloy
Materials Science Forum, 2008The aim of the present work was to evaluate the potential for superplastic deformation of the AZ31 magnesium alloy produced by Twin Roll Casting (TRC), a continuous casting technology able to convert molten metals directly into a coiled strip. In order to develop a superplastic microstructure, the TRC sheets were heated at 400 °C for 2 h, then rolled ...
CESCHINI, LORELLA +4 more
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Vertical Twin-Roll Strip Casting of Steel
2015Vertical strip casting enables the near-net-shape production of hot rolled steel strip in a compact process. In less than half a second, the liquid steel melt solidifies in contact with the casting rolls to a one to five millimetres thin strip. Since the strip casting process combines casting and rolling in one single process, slab re-heating and ...
Markus Daamen +2 more
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Clad Strip Casting Using a Twin Roll Casters
Advanced Materials Research, 2011The three layers clad strip was fabricated by a vertical type tandem twin roll caster for clad strip (VTTCC). The effect of the casting conditions of the base strip and the overlay strip on the interface between the base strip and the overlay strip was investigated. The temperature of the molten metal and roll-load were investigated casting conditions.
Ryoji Nakamura +4 more
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Zener drag in twin-roll cast AA8079 alloy
AIP Conference Proceedings, 2021The interaction between particles and grain boundaries responsible for a presence of restraining forces affecting grain boundary mobility is known as the Zener drag. The value of the total restraining force depends on the size, distribution, and volume fraction of particles present in the matrix. They could be easily modified in twin-roll cast Al-Fe-Si-
Rostislav Králík +3 more
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Finite Element Modeling of Casting Roll during Twin-Roll Strip Casting
Advanced Materials Research, 2010In twin-roll thin strip casting, the temperature distribution of casting roll affects the roll thermal stress, and influences the thermal deformation, the generation of roll surface cracks, the strip shape, and the service life of casting roll. In this paper, the temperature distributions of casting roll have been analysed, the effects of the roll ...
Zhang, Xiaoming +4 more
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Study on Casting Roll during Twin-Roll Casting of Thin Strip
Materials Science Forum, 2010In twin-roll thin strip casting, the temperature of casting roll affects the roll thermal stress, and influences the thermal deformation, the generation of roll surface cracks, the strip shape and the service life of casting roll. In this paper, the features of the casting roll materials have been analysed, the effects of the clad materials and ...
Xiao Ming Zhang +4 more
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The status of twin‐roll casting technology
Scandinavian Journal of Metallurgy, 2003Within the coming days the world's first commercial, direct twin‐roll caster for carbon steel strip less than 2.0 mm, without further hot or cold rolling, will be started by Nucor in the United States. Although the process has been previously proven on a technical basis during full‐scale development in Australia, the Nucor caster is unique in that it ...
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Two-dimensional model for twin-roll continuous casting
Metallurgical Transactions B, 1989A numerical algorithm for the two-dimensional solidification problem in the twin-roll continuous casting system is presented in this paper. Attention is focused on the elucidation of heat transfer and flow characteristics in both the liquid and the solid phases.
T. Saitoh +3 more
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As-Cast Microstructure and Texture of Twin-Roll Cast AZ31
2014In this study, the microstructure and texture of twin roll cast (TRC) AZ31 (Mg-3wt.%Al-1wt.%Zn) alloy has been investigated. The structure of the as-cast TRC AZ31 was dendritic containing both columnar and equiaxed grains. Second phase particles, Al-Mn and Mg-Al-Zn, were distributed evenly in matrix.
Mohsen Masoumi +2 more
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Research on Cast-Rolling Model in Twin-Roll Continuous Strip Casting
2009 International Conference on Measuring Technology and Mechatronics Automation, 2009Combining classic rolling and casting theory and finite element method(FEM), a rolling force controlling model has been deduced in twin-roll strip casting, which considers the influence of casting velocity and melt level. After accuracy certification, the model has high precision under given conditions, and it can be used to set initial parameters ...
Guangming Zhu, Zheng Chang
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