Features of a nano-twist phase in the nanolayered Ti3AlC2 MAX phase
Résumé
Complex intermetallic materials known as MAX phases exhibit exceptional properties from both metals and ceramics, largely thanks to their nanolayered structure. With high-resolution electronic microscopy supported by atomistic modelling, we reveal in this work the formation of a nano-twist phase in the nanolayered Ti3AlC2. We evidence basal pure-twist symmetric boundaries that can be represented by either a screw dislocations networks or pair of disclinations loop.
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Guenole_Taupin_Vallet_Yu_Guitton_NanoTwistInTi3AlC2_HAL.pdf (27.38 Mo)
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