Moisture diffusion coefficients determination of furan bonded sands and water based foundry coatings

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Moisture content in furan bonded sand and water based coatings can be one of the main causes for gas related defects in large cast iron parts. Moisture diffusion coefficients for these materials are needed to precisely predict the possible moisture levels in foundry moulds. In this study, we first compare two different experimental methods that can be used to determine moisture diffusion coefficients. Then, we determine diffusion coefficients for water based coatings and for different types of furan binders and we investigate the effects of compaction, dust levels and temperature. Finally, we provide an example on how it is possible to apply this knowledge to estimate moisture variation in a sand mould during production.
Original languageEnglish
JournalThe International Journal of Cast Metals Research
Volume29
Issue number3
Pages (from-to)121-128
Number of pages8
ISSN1364-0461
DOIs
Publication statusPublished - 2016
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Mechanical Engineering, Mechanics of Materials, Metals and Alloys, Core drying, Furan sand, Moisture diffusion coefficients, Vapour sorption analysis, Water based foundry coating, Aromatic compounds, Cast iron, Coatings, Diffusion, Diffusion coatings, Foundries, Foundry sand, Moisture, Molds, Organic pollutants, Sand, Cast iron parts, Experimental methods, Foundry coatings, Moisture diffusion coefficient, Moisture level, Moisture variation, Water based, Water-based coating, Moisture determination, Metallurgical industries, Forming processes, Heat treatment, Surface treatment and coating techniques, Manufacturing facilities, Engineering materials, cast iron, coatings, diffusion, dust, foundries, moisture, moulding, sand, moisture diffusion coefficient determination, furan bonded sands, water based foundry coatings, moisture content, gas related defects, cast iron parts, foundry moulds, water based coatings, dust levels, moisture variation estimation, METALLURGY

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