<div class="csl-bib-body">
<div class="csl-entry">Pölzlberger, D. E., Salvadores Farran, N., Geiger, J., Fuchs, D., Wojcik, T., Kutrowatz, P., Ntemou, E., Primetzhofer, D., Gachot, C., & Riedl-Tragenreif, H. (2025, November 20). <i>Investigation of solid self-lubrication mechanisms of B2O3 in TiB2±z and WB2±z based thin films</i> [Conference Presentation]. ÖTG-Symposium 2025 : Tribologie in Industrie und Forschung : Verzahntes Verhalten – Wo Tribologie auf Rheologie trifft, Graz, Austria. http://hdl.handle.net/20.500.12708/223291</div>
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dc.identifier.uri
http://hdl.handle.net/20.500.12708/223291
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dc.description.abstract
Transition metal borides such as TiB2±x and WB2±x are promising materials for protective coatings, because they combine high hardness with self-lubricating properties. At high temperatures, they form a thin B2O3 layer that helps reduce friction. Super-stoichiometric TiB2.9 shows lower friction than TiB1.5 because the extra boron produces more lubricating oxide. Similarly, α-WB2±z coatings also exhibit self-lubrication properties. However, they tend to stabilize in the sub-stoichiometric form, resulting in reduced amounts of boron available for oxidation. The tribological data are further correlated with XPS, XRD, and TEM analyses, offering new insights into the lubrication mechanisms of boron oxide in thin films.
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dc.description.sponsorship
FWF - Österr. Wissenschaftsfonds
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dc.language.iso
en
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dc.subject
transition metal borides
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dc.subject
friction
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dc.subject
solid lubrication
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dc.subject
boron oxide
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dc.title
Investigation of solid self-lubrication mechanisms of B2O3 in TiB2±z and WB2±z based thin films
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dc.type
Presentation
en
dc.type
Vortrag
de
dc.contributor.affiliation
TU Wien, Austria
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dc.contributor.affiliation
Uppsala University, Sweden
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dc.contributor.affiliation
Uppsala University, Sweden
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dc.relation.grantno
PAT1205324
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dc.type.category
Conference Presentation
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tuw.project.title
Unravelling the Solid Self-Lubrication Mechanisms of Boron Oxide on Transition Metal Boride Thin Films
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tuw.researchinfrastructure
Analytical Instrumentation Center
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tuw.researchinfrastructure
Röntgenzentrum
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tuw.researchinfrastructure
Universitäre Service-Einrichtung für Transmissionselektronenmikroskopie
