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University of Rome Tor Vergata
PhD of Industrial Engineering
Research activities on Advanced Materials
8th June 2015
Materials and Methods for Cultural Heritage
Martina Romani
Prof. Marco Marinelli, Prof. Massimo Marinelli, Prof. Fulvio Mercuri, Prof. Stefano Paoloni,
Prof. Gianluca Verona Rinati, Prof. Ugo Zammit
Dott. Cristina Cicero, Dott. Noemi Orazi
Diagnostic Techniques for Cultural Heritage
Spectroscopic Techniques
• X- Ray Fluorescence
• Laser and Led Induced Fluorescence
• Fiber Optics Reflectance Spectroscopy
Imaging Techniques
• Multispectral Imaging
• Infrared Thermography
Optical Trasmittance Analysis
• Shrinkage Temperature
X-Ray Fluorescence
XRF
applications
Elemental Analysis
Non Destructive Analysis
In Situ Technique
Prompt Response
Laser Induced Fluorescence (LIF)
Multilayered surface
LIF
Compositional Analysis
Non Destructive Analysis
In Situ Technique (Led-IF)
Prompt Response
300 350 400 450 5000
50
100
Inte
nsity (
Co
un
ts 1
07)
WL (nm)
Laser Induced Fluorescence (LIF)
is generated after the absorption
of UV radiation.
Fiber Optics Refelectance Spectroscopy (FORS)FORS is a technique used for the Pigment’s Identification and Colorimetric
analysis on painted surfaces.
Compositional Analysis
Non Destructive Analysis
In Situ Technique
Prompt Response
IrI0
NO FILTER 370 nm (BP) 470 nm (BP) 526 nm (BP)
830 nm (BP) 695 nm (LP) 850 nm (LP) 1000 nm (LP)
Multispectral Imaging
IR emissionThermogram
Sample
Infrared Thermography (IRT)
Inhomogeneities
Surface
Bulk
IR
camera
Lamp
Lamp Sample
cross section
25 30 35 40 45 50 55 60 65 70 75
0,0
0,2
0,4
0,6
0,8
1,0
Optical transmittance_Sample c.12_Giunta
Shrinkage rate_Sample c.12_Giunta
47°C
Temperature (°C)
Op
tica
l tr
an
sm
itta
nce
(a
.u.)
0,00
0,02
0,04
0,06
0,08
Sh
rin
ka
ge
ra
te
MICROSCOPE OBSERVATION
Optical Transmittance Analysis: Shrinkage Temperature