Comparison of the Properties of Alkali-Phenolic Binder in Terms of Selection of Molding Sand for Steel Castings

This article presents the results of experiments related to the process of replacement of the currently used furfuryl resin molding sand technology with a new alkali-phenolic technology. The new binder is characterized by a set of technological advantages and is considered more ecological compared t...

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Bibliographic Details
Published in:Materials 2019-11, Vol.12 (22), p.3705
Main Authors: Łucarz, Mariusz, Drożyński, Dariusz, Jezierski, Jan, Kaczmarczyk, Andrzej
Format: Article
Language:English
Subjects:
Castings
Comparative studies
Curing
Domestic markets
Experiments
Foundry sands
Grain size
Laboratories
Molding (process)
New technology
Phenolic resins
Potash
Potassium
Steel foundries
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Summary:This article presents the results of experiments related to the process of replacement of the currently used furfuryl resin molding sand technology with a new alkali-phenolic technology. The new binder is characterized by a set of technological advantages and is considered more ecological compared to the furfuryl resin. However, the molding sand produced on the basis of the alkali-phenolic resin features lower strength compared to the sands containing furfuryl resin. This article presents a comparative study of sands made using various alkali-phenolic binders, aimed at the selection of a resin with strength parameters and other features that are both desirable and useful for new technology applied in a foundry.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma12223705