Surface Turbulence at Flow of Gray Cast Iron

Abstract:

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Gray cast iron has been investigated with respect to surface turbulence during mould filling. Different levels of flow velocities have been provoked in a vertically parted sand mould. The thermal resistant transparent front side of the mould permitted the observation of the flow pattern due to high speed camera registration. The registered frames including the liquid surface were investigated using image analyses. The results show good correlation between the average flow velocity and the liquid iron surface extension. Consequently it has been demonstrated that an increased absorption of hydrogen and nitrogen during mould filling is dependent on the level of liquid surface turbulence.

Info:

Periodical:

Edited by:

Adel Nofal and Mohamed Waly

Pages:

422-427

DOI:

10.4028/www.scientific.net/KEM.457.422

Citation:

A. Diószegi et al., "Surface Turbulence at Flow of Gray Cast Iron", Key Engineering Materials, Vol. 457, pp. 422-427, 2011

Online since:

December 2010

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Price:

$35.00

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