Open AccessPermittivity of wood as a function of moisture for cultural heritage applications: a preliminary study
Author(s) -
Livio D’Alvia,
Emanuele Piuzzi,
Andrea Cataldo,
Zaccaria Del Prete
Publication year - 2022
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2204/1/012052
Subject(s) - permittivity , moisture , calibration , water content , painting , dielectric permittivity , function (biology) , materials science , cultural heritage , work (physics) , range (aeronautics) , dielectric , composite material , environmental science , soil science , geology , geotechnical engineering , mathematics , archaeology , mechanical engineering , engineering , art , optoelectronics , visual arts , history , statistics , evolutionary biology , biology
In this work, the evaluation of moisture content in historic wooden objects starting from permittivity measurements is investigated. For this purpose, a WR430 waveguide with a 1.7-2.6 GHz range was used to estimate the complex permittivity correlated to different moisture levels. Experimental tests were carried out on poplar (Populus nigra L.), a wood typically used in central Italy in the thirteenth-sixteenth centuries as a painting support. For the considered measurement system, experimental results and calibration curves are reported.