A three-dimensional reconstruction of coal microstructure using the Cryo-FIB-SEM technique Article Swipe
YOU?
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· 2020
· Open Access
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· DOI: https://doi.org/10.1016/j.fuel.2020.117919
Two basic homogeneous lithotypes, defined as elementary coal layers, within the seam of lignite can be distinguished: xylitic and detritic coal. As each of them exhibits various features, including structure, mechanical, technological properties, and chemical ash composition, the share of lithotypes within a lignite deposit provides important information regarding the applicability of this fuel. This study describes a unique three-dimensional reconstruction of a lignite microstructure using scanning electron microscopy (SEM) to acquire images of subsequent coal cross-sections which are exposed by focused ion beam (FIB) milling at cryogenic temperatures. Because of the organic origin and high moisture content, the fully hydrated lignite sample was frozen in nitrogen slush for the SEM observation in its frozen native state in order to avoid dehydration and other sample modifications. The acquired data cube contained distinguished petrographic phases, identified with coaly macerals of xylitic and detritic coal along with the fragment of the gelified leaf tissue, typical for ortho-lignite structure. The 3D reconstruction and phase segmentation process was performed using the Avizo software to constitute a cuboid model with an edge length of ca. 10 µm. Lignite exhibits low local uniformity, therefore to draw generally valid conclusions, a statistical relevant number of similar three dimensional reconstructions at representative locations for the different lithotypical and petrographic coal compositions within the analysed fragment would be demanded.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.fuel.2020.117919
- OA Status
- hybrid
- Cited By
- 15
- References
- 48
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3020966015
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3020966015Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1016/j.fuel.2020.117919Digital Object Identifier
- Title
-
A three-dimensional reconstruction of coal microstructure using the Cryo-FIB-SEM techniqueWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
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2020-05-05Full publication date if available
- Authors
-
Marcin Zakrzewski, Andreas Schertel, Grzegorz Brus, Marian Wagner, Anna Ściążko, Yosuke Komatsu, Shinji Kimijima, Shozo Kaneko, Janusz S. SzmydList of authors in order
- Landing page
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https://doi.org/10.1016/j.fuel.2020.117919Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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hybridOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1016/j.fuel.2020.117919Direct OA link when available
- Concepts
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Maceral, Coal, Petrography, Microstructure, Focused ion beam, Mineralogy, Scanning electron microscope, Microanalysis, Materials science, Geology, Composite material, Chemistry, Ion, Organic chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
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15Total citation count in OpenAlex
- Citations by year (recent)
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2025: 2, 2024: 3, 2023: 7, 2022: 1, 2021: 2Per-year citation counts (last 5 years)
- References (count)
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48Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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