Rheological Characterization of Green Sand Flow

Mirmasoud Jabbaribehnam, Jon Spangenberg, Emil Hovad, Raphael Benjamin Comminal, Jesper Henri Hattel, Katja I. Hartmann, Denis Schauetz

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The main aim of this paper is to characterize experimentally the flow behaviour of the green sand that is used for casting of sand moulds. After the sand casting process is performed, the sand moulds are used for metal castings. The rheological properties of the green sand is important to quantify as they can be used to evaluate whether the casting process will be successful. In addition, the properties can potentially be implemented in a computational fluid dynamics model which can be used as a tool to optimize the process. The rheological experiments are carried out on a MCR 502 rheometer with a new module for characterizing granular materials. The new module enables viscosity measurements of the green sand as function of the shear rate at different flow rates, i.e. 0, 2, 4, 6, 8, 10, 12 and 15 L/min. The results show generally that the viscosity decreases with both the shear- and flow rate. In addition, the measurements show that the green sand flow follows a shear-thinning behaviour even after the full fluidization point.
Original languageEnglish
Title of host publicationProceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition
Number of pages4
PublisherAmerican Society of Mechanical Engineers
Publication date2016
ISBN (Print)978-0-7918-5061-9
DOIs
Publication statusPublished - 2016
EventASME 2016 International Mechanical Engineering Congress and Exposition - Phoenix, United States
Duration: 11 Nov 201617 Nov 2016

Conference

ConferenceASME 2016 International Mechanical Engineering Congress and Exposition
CountryUnited States
CityPhoenix
Period11/11/201617/11/2016

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