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Brine-Induced Tribocorrosion Accelerates Wear on Stainless Steel: Implications for Mars Exploration
Department of Planetary Sciences, School of Geosciences, University of Aberdeen, King's College, Aberdeen AB24 3UE, UK; Instituto Andaluz de Ciencias de La Tierra (CSIC-UGR), Granada, Spain.ORCID iD: 0000-0001-6479-2236
Department of Planetary Sciences, School of Geosciences, University of Aberdeen, King's College, Aberdeen AB24 3UE, UK; Centro de Astrobiología (INTA-CSIC), Madrid, Spain.ORCID iD: 0000-0002-4492-9650
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0002-0851-8475
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology.ORCID iD: 0000-0003-0499-6370
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2021 (English)In: Advances in Astronomy, ISSN 1687-7969, E-ISSN 1687-7977, Vol. 2021, article id 6441233Article in journal (Refereed) Published
Abstract [en]

Tribocorrosion is a degradation phenomenon of material surfaces subjected to the combined action of mechanical loading and corrosion attack caused by the environment. Although corrosive chemical species such as materials like chloride atoms, chlorides, and perchlorates have been detected on the Martian surface, there is a lack of studies of its impact on materials for landed spacecraft and structures that will support surface operations on Mars. Here, we present a series of experiments on the stainless-steel material of the ExoMars 2020 Rosalind Franklin rover wheels. We show how tribocorrosion induced by brines accelerates wear on the materials of the wheels. Our results do not compromise the nominal ExoMars mission but have implications for future long-term surface operations in support of future human exploration or extended robotic missions on Mars.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2021. Vol. 2021, article id 6441233
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Aerospace Engineering
Research subject
Atmospheric science; Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-89056DOI: 10.1155/2021/6441233ISI: 000741080300001Scopus ID: 2-s2.0-85122873012OAI: oai:DiVA.org:ltu-89056DiVA, id: diva2:1633691
Note

Validerad;2022;Nivå 2;2022-01-31 (johcin);

Special Issue: Mars Climate Evolution, Habitability, Astrobiology, and Resources

Available from: 2022-01-31 Created: 2022-01-31 Last updated: 2022-04-12Bibliographically approved

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Martin-Torres, JavierZorzano Mier, María-PazNyberg, ErikVakkada Ramachandran, AbhilashBhardwaj, Anshuman

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Martin-Torres, JavierZorzano Mier, María-PazNyberg, ErikVakkada Ramachandran, AbhilashBhardwaj, Anshuman
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Advances in Astronomy
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)Aerospace Engineering

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