Microhardness indentation studies of 2-4-6 trinitrotoluene

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dc.contributor.authorGallagher, Hugh G.
dc.contributor.authorSherwood, John N.
dc.contributor.authorVrcelj, Ranko
dc.date.accessioned2021-12-20T11:05:58Z
dc.date.available2021-12-20T11:05:58Z
dc.date.issued2021-10-20
dc.description.abstractThe microhardness of the {001} faces of 2-4-6 trinitrotoluene crystals has been investigated using both Vickers and Knoop indentation methods. The Vickers hardness number was found to be 22.5 kg mm−2 independent of crystal orientation and perfection. At ambient temperatures (∼20 °C) the Knoop hardness number varied between 20.5 kg mm−2 and 24.0 kg mm−2 with crystal orientation. At higher temperature (50 °C) the Knoop hardness anisotropy curve retained its shape, although the overall hardness decreased by 10 %. We interpret this change as reflecting a simple temperature dependant loosening of the crystal lattice rather than any change in deformation mechanism. No variation of Knoop hardness was evident with changing load. The hard direction was [010] and the soft [100]. The dominant operative slip system was defined to be {001}[010].en_UK
dc.identifier.citationGallagher HG, Sherwood JN, Vrcelj RM. (2021) Microhardness indentation studies of 2-4-6 trinitrotoluene. Propellants, Explosives, Pyrotechnics, Volume 46, Issue 11, November 2021, pp. 1733-1739en_UK
dc.identifier.issn0721-3115
dc.identifier.urihttps://doi.org/10.1002/prep.202100132
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/17345
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectMechanical propertiesen_UK
dc.subjectTNTen_UK
dc.subjectMicrohardnessen_UK
dc.titleMicrohardness indentation studies of 2-4-6 trinitrotolueneen_UK
dc.typeArticleen_UK

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