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    Violin varnishes: microstructure and nanomechanical analysis

    Odlyha, Marianne and Lucejko, J.J. and Lluveras-Tenorio, A. and di Girolamo, F. and Hudziak, S. and Strange, A. and Bridarolli, A. and Bozec, L. and Colombini, M.P. (2022) Violin varnishes: microstructure and nanomechanical analysis. Molecules 27 (19), p. 6378. ISSN 1420-3049.

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    Abstract

    The aim of the current work is twofold: to demonstrate the application of in situ non-invasive imaging by portable atomic force microscopy (AFM) on the surfaces of a violin and to integrate compositional and mechanical analysis at the nano scale level on model samples of varnished wood. These samples were prepared according to traditional recipes by an Italian lutemaker family well practised in the art. Samples of oil and spirit-based varnishes on maple wood, naturally and accelerated light aged, were studied. AFM was used to measure the nanomechanical properties of the model samples and established that the spirit-based varnish was stiffer than the oil-based. Synchrotron radiation micro- Fourier Transform Infra-red analysis of the layer structure revealed that stiffer spirit-based varnish showed less penetration into the wood than the oil-based. Further PeakForce Quantitative Nanomechanical Mapping (QNM) demonstrated a difference in adhesion values between the oil- and spirit-based samples

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): in situ imaging, AFM, SR Micro –FTIR, violin, nanomechanics
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Depositing User: Marianne Odlyha
    Date Deposited: 29 Nov 2022 11:16
    Last Modified: 02 Aug 2023 18:19
    URI: https://eprints.bbk.ac.uk/id/eprint/50045

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