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|Title:||Evaluation of shearing time sufficient for effective liquid metal processing|
|Citation:||JOM Journal of the Minerals, Metals and Materials Society, 69(4): pp. 720–724, (2017)|
|Abstract:||Melt shearing has been suggested to be an efficient means of structure refinement through oxide dispersion and fragmentation. One of the process parameters that needs to be optimized is the shearing time. In this paper, the effect of shearing time on alumina powder refinement was studied in a model system with water as a working fluid. The established time was taken as a first approximation for experiments with the liquid metals processing by a high shear device based on a rotor–stator technology. The water model findings were confirmed experimentally on liquid aluminum alloys, and indicate that the optimal time of mixing is equal to 4 min in fully agitated conditions for the volume of 2.7 dm3.|
|Appears in Collections:||Dept of Mechanical Aerospace and Civil Engineering Research Papers|
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