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An Experimental Investigation of the Solid State Sintering of Cemented Carbides Aiming for Mechanical Constitutive Modelling
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Solid Mechanics.ORCID iD: 0000-0001-7644-7077
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Solid Mechanics. Sandvik Coromant AB, R&D, SE-12680 Vastberga, Sweden..ORCID iD: 0000-0001-8653-393x
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Structures.ORCID iD: 0000-0001-8797-4585
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Solid Mechanics.ORCID iD: 0000-0001-6232-8819
2023 (English)In: Crystals, ISSN 2073-4352, Vol. 13, no 6, article id 978Article in journal (Refereed) Published
Abstract [en]

The densification of cemented carbides during sintering was studied using an existing constitutive model based on powder particle size and material composition. In the present analysis, we study how well the constitutive model can capture the experimental results of a dilatometer test. Three experiments were performed, where the only difference was the transition between the debinding and sintering process. From magnetic measurements, it is concluded that the carbon level in the specimen is affected by changes to the experimental setup. It is shown, using parameter adjustments, that the constitutive model is more suited for a certain experimental setup and carbon level, which is a limitation of the model. In order to capture the mechanical behaviour under different experimental conditions, further constitutive modelling relevant to the carbon level is recommended.

Place, publisher, year, edition, pages
MDPI , 2023. Vol. 13, no 6, article id 978
Keywords [en]
cemented carbide, solid-state sintering, dilatometer experiment, constitutive modelling, carbon influence
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-331696DOI: 10.3390/cryst13060978ISI: 001014148800001OAI: oai:DiVA.org:kth-331696DiVA, id: diva2:1782475
Note

QC 20230714

Available from: 2023-07-14 Created: 2023-07-14 Last updated: 2023-07-14Bibliographically approved

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Rosenblad, LouiseStaf, HjalmarLarsson, HenrikLarsson, Per-Lennart

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