Surface Turbulence at Flow of Gray Cast Iron

Attila Diószegi; Tobias Björklind; Zoltán Diószegi

doi:10.4028/www.scientific.net/KEM.457.422

Paper Titles

Effects of Graphite Shape on Thermal Fatigue Property of Thin Wall Graphitic Cast Irons
p.398

Bending Strength of Cast Materials Reinforced with Hard Particles
p.404

Literature Survey on Porosity and Microporosity in Cast Irons Related to Expansion and Gas Entrapment Phenomena
p.410

On the Formation of Shrinkage Porosity in Gray Iron Castings
p.416

Surface Turbulence at Flow of Gray Cast Iron
p.422

Suppression of Elevated Temperature Brittleness in Spheroidal Graphite Cast Iron by Increasing Phosphorus Content
p.428

Selection of Cast Iron Grade for Stub-Anode Fixation in Aluminum Electrolytic Cells
p.435

Wear Property of Ductile Iron Locally Reinforced with Cr-Containing Steel Inserts
p.441

New Application of High Niobium Cast Iron as a Grain Refiner for Stainless Steels
p.447

HomeKey Engineering MaterialsKey Engineering Materials Vol. 457Surface Turbulence at Flow of Gray Cast Iron

Surface Turbulence at Flow of Gray Cast Iron

Abstract:

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.

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Key Engineering Materials (Volume 457)

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422-427

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https://doi.org/10.4028/www.scientific.net/KEM.457.422

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Online since:

December 2010

Authors:

Attila Diószegi, Tobias Björklind, Zoltán Diószegi

Keywords:

Flow Velocity, Gray Cast Iron, Hydrogen, Nitrogen, Surface Turbulence

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References

[1] I. Svensson. Influence of deoxidation practice on hydrogen pick-up in steel melts. Solidification Technology in the Foundry and Cast House; Coventry; England; 15-17 Sept. 1980. pp.253-262, (1983).

Google Scholar

[2] A. Hillman and I. Svensson. Stickblåsors bildningsförlopp i järn- och stålgjutgods. Svenska Gjuteriföreningen, Jönköping, Sweden, (1980).

Google Scholar

[3] R. J. Fruehan. Gases in Metals. ASM Handbook. 15: 82-87, (1988).

Google Scholar

[4] J. Orlenius, L. Elmquist, A. Diószegi: Influence of Melting Process on Hydrogen and Nitrogen Content in Gray Iron, Transactions of the American Foundry Society, Vol. 115, pp.617-623. (2007).

Google Scholar

[5] J.M. Svoboda. Fundamentals of physical chemistry relating to gases in cast metals. Gases in Cast Metals. Williamsburg, Unites States of America, (1976).

Google Scholar

[6] H. Fredriksson, and U. Åkerlind. Gjutningens processteknologi, del II. Institutionen för materialens processteknologi, Stockholm, Sweden, (1995).

Google Scholar

[7] R.J. Fruehan. The thermodynamics and kinetics of gas dissolution and evolution from iron alloys. Foundry Processes. Plenum, Ney York, United States of America, (1988).

DOI: 10.1007/978-1-4613-1013-6_16

Google Scholar

[8] J. Campbell. Castings. Butterworth-Heinemann, Oxford, Great Britain, (2003).

Google Scholar

[9] J. Orlenius, Z. Diószegi, A. Diószegi: Gas Absorption in Gray Iron during Mould Filling, International Journal of Cast Metals Research. Vol. 21, no. 6, pp.427-434, (2008).

DOI: 10.1179/136404608x373140

Google Scholar