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Pindtöödeldud ja järeloksüdeeritud tööriistateraste triboloogiline käitumine toatemperatuuril ning 400°C juures
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1162-4671
Luleå University of Technology, Department of Engineering Sciences and Mathematics.ORCID iD: 0000-0003-1454-1118
2010 (Undetermined)In: Estonian Journal of Engineering, ISSN 1736-6038, Vol. 16, no 2, p. 123-134Article in journal (Refereed) Published
Abstract [en]

The primary focus of this investigation is on tribological properties of plasma nitrided and post-oxidized tool steels during sliding against ultra-high-strength boron steel. The experi­mental work has been carried out at room temperature and at 400 °C by using a high-temperature pin on disc tribometer. The experimental materials were tool steels of three different compositions, which were plasma nitrided and post-oxidized at 500 °C. One of the tool steels was also post-oxidized at 480 and 520 °C. The results have shown that the friction and wear characteristics are influenced by the test temperature and the post-oxidizing temperature. The tool steel, post-oxidized at 500 °C, resulted in better friction and wear performance at room temperature and also improved wear resistance at elevated temperature. The observed wear mechanisms are mainly adhesive at room temperature and a combination of adhesive and abrasive at elevated temperature.

Place, publisher, year, edition, pages
2010. Vol. 16, no 2, p. 123-134
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-8132DOI: 10.3176/eng.2010.2.01Scopus ID: 2-s2.0-79955188647Local ID: 69b0d1b0-c4b3-11df-a707-000ea68e967bOAI: oai:DiVA.org:ltu-8132DiVA, id: diva2:981023
Note
Godkänd; 2010; 20100920 (jenhar)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Hardell, JensPrakash, Braham

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