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A study on the particle emission from cobalt-free studded tires against road materials
Department of Engineering Design, KTH Royal Institute of Technology.
AB Sandvik Coromant R&D Material & Processes.
Department of Engineering Design, KTH Royal Institute of Technology.
Responsible organisation
2025 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 202, article id 110365Article in journal (Other academic) Published
Abstract [sv]

Användningen av dubbdäck kan orsaka betydande slitage på vägytor och även påverka luftkvaliteten i stadsområden. Dubbarna på dagens dubbdäck är tillverkade av hårdmetall som innehåller kobolt. I den här studien undersökte vi användningen av alternativa koboltfria hårdmetalldubbar för att minska partikelutsläpp i framtiden. Gränssnittet mellan däck och väg utsätts för både stöt- och glidslitage. De alternativa hårdmetalldubbarna utvärderades parallellt med standarddubbar med hjälp av två olika laboratorietestriggar speciellt utformade för slitage- och partikelutsläppstestning. Stenmaterial som vanligtvis används i vägasfalt användes som motmaterial. Resultaten visade att de koboltfria dubbarna genererade lägre partikelkoncentrationer och mindre vägslitage.

Abstract [en]

The use of studded tires can cause significant wear of road surfaces then also affect the air quality in urban areas. The studs of today’s studded tires are manufactured from hard metal containing cobalt. In this study, we investigated using alternative cobalt-free hard metal studs to reduce particulate emissions in the future. The tireto- road interface is subjected to both impact wear and sliding abrasive wear. The alternative hard metal studs were evaluated in parallel with standard studs using two different laboratory test rigs specially designed for wear and particulate emission testing. Stone materials commonly used in the road tarmacadam were utilized as counter material. The results showed that the cobalt-free studs generated lower particle concentrations and less road wear.

Place, publisher, year, edition, pages
Elsevier, 2025. Vol. 202, article id 110365
Keywords [en]
Studded tires, Cobalt-free, Particle emissions, Road wear, Pin-on-disc
Keywords [sv]
Planera
National Category
Mechanical Engineering
Research subject
FOI-portföljer, Planera
Identifiers
URN: urn:nbn:se:trafikverket:diva-22370DOI: 10.1016/j.triboint.2024.110365OAI: oai:DiVA.org:trafikverket-22370DiVA, id: diva2:2099261
Projects
Kravställning av dubbstift för att reducera slitage och partikelemissioner
Funder
Swedish Transport Administration, TRV 2023/33639Available from: 2026-09-07 Created: 2026-09-07 Last updated: 2026-09-07

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A study on the particle emission from cobalt-free studded tires against road materials(13512 kB)21 downloads
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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