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Visualization and chemical analysis of bitumen microstructures
Nynas AB, Sweden.
RISE - Research Institutes of Sweden, Bioscience and Materials, Chemistry and Materials.ORCID iD: 0000-0002-2696-7215
Nynas NV, Belgium.
Antwerp University, Belgium.
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2019 (English)In: RILEM Bookseries, 2019, p. 168-173Conference paper, Published paper (Refereed)
Abstract [en]

Microstructures of bitumen were investigated using atomic force microscopy (AFM) and environmental scanning electron microscopy (ESEM), and a chemical characterization was successfully carried out using time-of-flight secondary ion mass spectrometry (TOF-SIMS). The bee structures were observed by AFM, for which a chemical explanation by wax was confirmed by the TOF-SIMS analysis. A tube pattern or worm structures were generated and visualized by ESEM on bitumen surfaces. Chemical differences between the structured and unstructured areas, as well as between different areas of the structure, were observed. A mechanism for the structure formation on bitumen surface during ESEM analysis is suggested.

Place, publisher, year, edition, pages
2019. p. 168-173
Keywords [en]
AFM, Bitumen structure, ESEM, TOF-SIMS
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-35220DOI: 10.1007/978-3-030-00476-7_27Scopus ID: 2-s2.0-85053413366OAI: oai:DiVA.org:ri-35220DiVA, id: diva2:1254804
Conference
RILEM 252-CMB-Symposium on Chemo Mechanical Characterization of Bituminous Materials RILEM 252-CMB 2018: RILEM 252-CMB Symposium
Available from: 2018-10-10 Created: 2018-10-10 Last updated: 2019-06-20Bibliographically approved

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Sjövall, Peter

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