Elevated temperature micro-impact testing of TiAlSiN coatings produced by physical vapour deposition

dc.contributor.authorBeake, Ben D.
dc.contributor.authorBird, Andrew
dc.contributor.authorIsern, Luis
dc.contributor.authorEndrino, José L.
dc.contributor.authorJiang, Feng
dc.date.accessioned2019-09-24T10:21:48Z
dc.date.available2019-09-24T10:21:48Z
dc.date.issued2019-06-08
dc.description.abstractA high temperature micro-impact test has been developed to assess the fracture resistance of hard coatings under repetitive dynamic high strain rate loading at elevated temperatures. The test was used to study the temperature dependence of the resistance to micro-scale impact fatigue of TiAlSiN coatings on cemented carbide at 25–600 °C. Nanoindentation and micro-scratch tests were also performed over the same temperature range. The results of the micro-impact tests were dependent on the impact load, coating microstructure, coating and substrate mechanical properties, and their temperature dependence. At higher temperatures there was a change in failure mechanism from fracture-dominated to plasticity-dominated behaviour under the cyclic loading conditions. This was attributed to coating and substrate softening.en_UK
dc.identifier.citationBeake BD, Bird A, Isern L, et al., (2019) Elevated temperature micro-impact testing of TiAlSiN coatings produced by physical vapour deposition. Thin Solid Films, Volume 688, October 2019, Article number 137358en_UK
dc.identifier.issn0040-6090
dc.identifier.urihttps://doi.org/10.1016/j.tsf.2019.06.008
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14558
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectMicro-impacten_UK
dc.subjectFracture resistanceen_UK
dc.subjectElevated temperatureen_UK
dc.subjectTitanium aluminium silicon nitrideen_UK
dc.titleElevated temperature micro-impact testing of TiAlSiN coatings produced by physical vapour depositionen_UK
dc.typeArticleen_UK

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