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

Martina.romani@uniroma2.it

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 for Cultural Heritage

Preservation Knowledge

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

Multispectral ImagingCovered by paper

Covered

by paintsDrawing NIR image

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

Partnership

Thank you

for your attention