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Spatial deformation of ore texture by quantitative characterization
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.ORCID iD: 0000-0002-6284-5792
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering. Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water. Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0002-5979-5608
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-7395-3302
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering. Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2020 (English)Conference paper, Published paper (Refereed)
Abstract [en]

In comminution, particle breakage starts with crack initiation and propagation. For investigating crack formation behavior, the description by displacement fields can be applied. Ore texture and operational conditions such as loading mechanisms will affect the crack formation. This study aims at investigating the effects of ore texture and loading displacement rate on particle deformation. The objective is to describe the spatial displacement fields in the ore textures. In order to obtain these, in-situ compression loading with different displacement rates were conducted, followed by X-ray computed micro-tomography and Digital Volume Correlation (DVC). The outcomes showed that DVC has the potential to predict crack formation for describing mineral liberation.

Place, publisher, year, edition, pages
2020.
National Category
Geosciences, Multidisciplinary
Identifiers
URN: urn:nbn:se:ltu:diva-78067OAI: oai:DiVA.org:ltu-78067DiVA, id: diva2:1414724
Conference
Conference in Minerals Engineering 2020
Available from: 2020-03-15 Created: 2020-03-15 Last updated: 2020-03-24

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Semsari Parapari, ParisaParian, MehdiForsberg, FredrikRosenkranz, Jan

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Geosciences, Multidisciplinary

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CiteExportLink to record
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Citation style
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  • ieee
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  • de-DE
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  • nn-NO
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  • asciidoc
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