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- Title
Influence of stirring speed on SiC particles distribution in A356 liquid.
- Authors
Yao Shasha; Zhang Peng; Du Yunhui; Zhang Jun; Lu Xiaopeng
- Abstract
A straight-blade mechanical stirrer was designed to stir A356-3.5vol%SiCp liquid in a cylindrical crucible with the capability of systematically investigating the influence of rotating speed of stirrer on the distribution of SiC particles in A356 liquid. The experimental results show that the vertical distribution of SiC particles in A356 liquid can be uniform when the rotating speed of stirrer is 200 rpm, but the radial distribution of SiC particles in A356 liquid is always nonhomogeneous regardless of the rotating speed of stirrer. The radial centrifugalization ratio of SiC particles in A356 liquid between the center and the periphery of crucible increases with the rotating speed of stirrer. The results were explained in the light of SiC particles motion subject to a combination of stirring and centrifugal effect.
- Subjects
MIXING machinery; ROTATIONAL motion; SILICON carbide; PARTICLES; RADIAL distribution function
- Publication
China Foundry, 2012, Vol 9, Issue 2, p154
- ISSN
1672-6421
- Publication type
Article