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The effect of temperature on the transfer layer of an aluminium alloy on tool steel and the effect of CrN coatingKalin, Mitjan ...It is essential to explore temperature's crucial role while unveiling the intricacies of tribological interplay in CrN-coated steel-alloy systems. In the present study, tribological potential of ... CrN-coated hot-work tool steel was investigated under unidirectional single-pass sliding wear conditions. The sliding wear tests were performed at different temperatures (i.e., 20 °C, 100 °C, 200 °C, 300 °C, 400 °C and 500 °C) for the different sliding distances between 2 mm and 68 mm to explore the effect of temperature on the initiation and evolution of the transfer of an aluminium alloy (EN AW-6060). The effect was studied in terms of the contact area of the aluminium alloy and the volume transferred to the surface of the CrN. In addition, the structure of the wear trace and the equivalent friction coefficient were monitored with respect to the sliding distance and the temperature. The results show the strong dependency of the tribological potential of the CrN coating and the aluminium alloy on the temperature but show insignificant dependency on the sliding distance. When sliding up to 200 °C, the transfer was found to be dependent on the surface roughness of the coating, while strong adhesion led to the aluminium alloy's transfer during sliding at higher temperatures, that is, above 300 °C. At 500 °C, the CrN coating formed a self-protective Cr2O3 oxide that reduced the adhesive transfer of the alloy to the CrN compared to that at 200 °C–300 °C.Source: Tribology : materials surfaces & interfaces. - ISSN 1751-5831 (Vol. 18, iss. 1, Jan. 2024, str. 11-19)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 196255747
Author
Kalin, Mitjan |
Jerina, Jure |
Sharma, Sandan Kumar |
Kovač, Janez, 1965-
Topics
aluminijeve zlitine |
CrN prevleke |
prenos materiala |
trenje |
obraba |
aluminium alloys |
CrN coatings |
material transfer |
friction |
wear
source: Tribology : materials surfaces & interfaces. - ISSN 1751-5831 (Vol. 18, iss. 1, Jan. 2024, str. 11-19)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kalin, Mitjan | 14556 |
Jerina, Jure | 33243 |
Sharma, Sandan Kumar | 52537 |
Kovač, Janez, 1965- | 15703 |
Source: Personal bibliographies
and: SICRIS
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