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Thermal Properties of 3D-Printed Sand Molds
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.ORCID iD: 0000-0002-4706-5050
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.ORCID iD: 0000-0001-5149-1581
2022 (English)In: International Journal of metalcasting, ISSN 1939-5981, E-ISSN 2163-3193, Vol. 16, p. 252-Article in journal (Refereed) Published
Abstract [en]

Specific heat capacity (Cp), density (ρ), and thermal conductivity (λ) of phenolic-bonded 3D-printed sand (3DPS) molds have been determined in the temperature range of 20–1400 °C using differential scanning calorimeter (DSC), dilatometer, and hot wire method. The results have been used to simulate the thermal gradient in a sand mold during casting aluminum using a commercial simulation software. The simulated results have been compared with laboratory-measured results and simulated results using the software’s database for conventional mold making. Our results show that available database for sand thermal properties cannot explain the thermal gradient in 3DPS molds and this manufacturing process affects the thermal properties of the mold compared to traditional mold making. It is necessary to collect data for a variety of 3D-printed sand molds to ensure accurate modeling simulation in the foundry industry. © 2021, The Author(s).

Place, publisher, year, edition, pages
Springer Science and Business Media Deutschland GmbH , 2022. Vol. 16, p. 252-
Keywords [en]
3D-printed sand molds, additive manufacturing technology (AM), casting, phenolic binder, sand casting, thermal properties, Computer software, Differential scanning calorimetry, Foundry sand, Molds, Specific heat, Thermal conductivity, Thermal gradients, Accurate modeling, Differential scanning calorimeters, Foundry industries, Manufacturing process, Simulated results, Simulation software, Temperature range, Traditional molds, 3D printers
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:ri:diva-53059DOI: 10.1007/s40962-021-00583-xScopus ID: 2-s2.0-85104144780OAI: oai:DiVA.org:ri-53059DiVA, id: diva2:1557156
Note

 Funding details: VINNOVA; Funding text 1: Open access funding provided by RISE Research Institutes of Sweden. Some parts of this paper results were financed by Metalliska Material Financing Program and VINNOVA under project Sandbox.; Funding text 2: The authors would like to thank the Strategic Innovation Program Metallic Materials, VINNOVA, the Swedish Energy Agency and Formas for financing part of this paper under the project Sandbox.

Available from: 2021-05-25 Created: 2021-05-25 Last updated: 2023-06-08Bibliographically approved

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Saeidpour, MahsaFarre, Sten

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