Organs have always been among the most important musical instruments in Europe. Because of their highly complex mech. systems and the wide variety of materials they are made of, such as metal, ivory, wood or paperboard, they are considered one of the hardest instruments to preserve. Particularly, the different materials used to make the pipes, mainly tin or lead alloys, are sensitive to environmental conditions such as temp. and moisture, and consequent decay. The alteration processes are mostly due to tin-​pest development or to the oxidn. As a consequence, sound quality decreases or, in the worst cases, pipes are completely lost. The aim of this work is to investigate several Italian pipe fragments dating from the seventeenth to twentieth century, in order to: (1) analyze the raw materials and the traditional manufg. of organ pipes, in relation to conservation issues; (2) characterize the particular decay processes; (3) outline a suitable methodol. approach to characterize the most common alterations of metal organ pipes. For this purpose, during the anal. campaign, both non-​invasive and micro-​destructive methodologies were performed, i.e. stereomicroscopy observations, X-​ray fluorescence anal., SEM coupled with energy-​dispersive X-​ray spectroscopy anal. and X-​ray diffraction. The application of the proposed anal. procedure allowed the differentiation of the pipe fragments examd. into several groups on the basis of original materials and morphol. characteristics.

Microstructural investigations on historical organ pipes

ALBANO, MICHELA;ROVETTA, TOMMASO;GUIDA, GIULIA;LICCHELLI, MAURIZIO;MERLO, CARLO;COFRANCESCO, PACIFICO;MILANESE, CHIARA;MALAGODI, MARCO
2017-01-01

Abstract

Organs have always been among the most important musical instruments in Europe. Because of their highly complex mech. systems and the wide variety of materials they are made of, such as metal, ivory, wood or paperboard, they are considered one of the hardest instruments to preserve. Particularly, the different materials used to make the pipes, mainly tin or lead alloys, are sensitive to environmental conditions such as temp. and moisture, and consequent decay. The alteration processes are mostly due to tin-​pest development or to the oxidn. As a consequence, sound quality decreases or, in the worst cases, pipes are completely lost. The aim of this work is to investigate several Italian pipe fragments dating from the seventeenth to twentieth century, in order to: (1) analyze the raw materials and the traditional manufg. of organ pipes, in relation to conservation issues; (2) characterize the particular decay processes; (3) outline a suitable methodol. approach to characterize the most common alterations of metal organ pipes. For this purpose, during the anal. campaign, both non-​invasive and micro-​destructive methodologies were performed, i.e. stereomicroscopy observations, X-​ray fluorescence anal., SEM coupled with energy-​dispersive X-​ray spectroscopy anal. and X-​ray diffraction. The application of the proposed anal. procedure allowed the differentiation of the pipe fragments examd. into several groups on the basis of original materials and morphol. characteristics.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/1180449
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