There is hardly any object that the researchers at the
Fraunhofer Development Center for X-ray Technology EZRT, a department of the Fraunhofer Institute for Integrated Circuits IIS, have not investigated using their CT (computed tomography) scanners yet. So far, the facilities have been used to analyze lightweight cast parts, rotor blades, entire cars, and landing flaps made of carbon fiber reinforced polymers, for the purposes of industrial quality control and as a non-destructive method of detecting potential defects such as hairline fissures. In the MUSICES project (see "The MUSICES project at a glance"), the researchers in Fürth joined forces with specialists from the Germanisches Nationalmuseum (GNM) in Nürnberg and the Chair of X-ray Microscopy LRM at the University of Würzburg to take a look inside historical
musical instruments, some of which are unique. Being able to examine instruments such as a violin, pianoforte, basset horn and countless others from the inside using 3-D X-rays is an excellent way of evaluating their condition and determining whether, despite their age and possible deterioration due to storage conditions, they are still playable. By analyzing the images, it is possible to see how the instrument was built, including its resonant parts and the materials employed. The images also reveal invisible repairs, signs of damage such as cracks, delamination and woodworm attack, and structural details including the grain and density of the wood. The revelation of these until-now hidden areas is of tremendous value to restorers, conservators, musicians, museum educators and instrument crafters.
Read more at: https://phys.org/news/2017-10-basset-horn.html#jCp
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