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Surface Turbulence at Flow of Gray Cast Iron
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
Scania CV AB.
Volvo Powertrain AB.
2011 (English)In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 457, p. 422-427Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Switzerland: Trans Tech Publications , 2011. Vol. 457, p. 422-427
Keywords [en]
surface turbulance, gray cast iron, flow velocity, hydrogen, nitrogen
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:hj:diva-14233DOI: 10.4028/www.scientific.net/KEM.457.422OAI: oai:DiVA.org:hj-14233DiVA, id: diva2:384303
Available from: 2011-01-08 Created: 2011-01-08 Last updated: 2017-12-11Bibliographically approved

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Diószegi, Attila

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