Escola Superior de Conservació i Restauració de Bés Culturals de Catalunya
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Viscoelastic and mechano-sorptive studies applied to the conservation of historical violins: A case study of the Guarneri "del Gesù" violin ( 1743 ) known as the "Cannone"

Contributor(s): Material type: ArticleArticleDescription: 7 pSubject(s): In: Biblioteca ESCRBCC 14 nº 4, 297-303Abstract: To assess the possible effects of mechanical loading on the conservation of historical wooden musical instruments, a research project was carried out on the violin Guarneri "del gesù" ( 1743 ), known as the "Cannone". This paper refers to the results obtained by studying the deformations to which a violin is subjected aftere being tuned, with special attention to the viscous and mechano-sorptive behaviour ( as in a concert environment for example ). The amount of viscoelastic creep was quantified under normal tuning conditions, and the mechano-sorptive creep was quantified using a dead mass resulting in 55% of the elastic deformation obtained after tuning. The viscoelastic and mechano-sorptive deformations were clearly observed. These deformations were completely recovered once the violin was unloaded, demonstrating that this violin structure is appropriately dimensioned for the applied stresses.
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Article de revista Article de revista Biblioteca de l' Escola Superior Conservació i Restauració de Bens Culturals de Catalunya Biblioteca ESCRBCC (Browse shelf(Opens below)) Available Art-448

To assess the possible effects of mechanical loading on the conservation of historical wooden musical instruments, a research project was carried out on the violin Guarneri "del gesù" ( 1743 ), known as the "Cannone". This paper refers to the results obtained by studying the deformations to which a violin is subjected aftere being tuned, with special attention to the viscous and mechano-sorptive behaviour ( as in a concert environment for example ). The amount of viscoelastic creep was quantified under normal tuning conditions, and the mechano-sorptive creep was quantified using a dead mass resulting in 55% of the elastic deformation obtained after tuning. The viscoelastic and mechano-sorptive deformations were clearly observed. These deformations were completely recovered once the violin was unloaded, demonstrating that this violin structure is appropriately dimensioned for the applied stresses.

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