Surface roughness evaluation of marble by 3D laser profilometry and pulsed thermography

Avdelidis, NP; Delegou, ET; Almond, DP; Moropoulou, A

dc.contributor.author	Avdelidis, NP	en
dc.contributor.author	Delegou, ET	en
dc.contributor.author	Almond, DP	en
dc.contributor.author	Moropoulou, A	en
dc.date.accessioned	2014-03-01T01:21:35Z
dc.date.available	2014-03-01T01:21:35Z
dc.date.issued	2004	en
dc.identifier.issn	0963-8695	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/16261
dc.subject	Flash thermography	en
dc.subject	Marble	en
dc.subject	Pixels intensity	en
dc.subject	Surface profilometry	en
dc.subject	Surface roughness	en
dc.subject.classification	Materials Science, Characterization & Testing	en
dc.subject.other	Nondestructive examination	en
dc.subject.other	Profilometry	en
dc.subject.other	Scanning	en
dc.subject.other	Surface cleaning	en
dc.subject.other	Surface roughness	en
dc.subject.other	Thermography (imaging)	en
dc.subject.other	Three dimensional computer graphics	en
dc.subject.other	Flash thermography	en
dc.subject.other	Pixels intensity	en
dc.subject.other	Surface cleaning treatments	en
dc.subject.other	Surface profilometry	en
dc.subject.other	Marble	en
dc.title	Surface roughness evaluation of marble by 3D laser profilometry and pulsed thermography	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.ndteint.2004.03.002	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.ndteint.2004.03.002	en
heal.language	English	en
heal.publicationDate	2004	en
heal.abstract	Three dimensional (3D) laser profilometry (LP) and pulsed thermography (PT) were used in the inspection of Pentelic marble. Quarry Pentelic marble samples, after processed with different roughness treatments (i.e. 60, 80, 100, 220, 400 and 600 mesh), were evaluated in the laboratory. Furthermore, different surface cleaning treatments were applied to a Pentelic marble surface in situ and then representative samples were collected and evaluated in the laboratory by the means of these two non-destructive techniques. Quantitative analysis of all samples was performed. The surface roughness parameter Rq at a specific length scale was estimated by the use of the LP scanning approach. Furthermore, 3D micro-topography plots from the laser scans were attained. PT, through the formation of temperature - time plots that display the intensity of pixels as a function of time on the obtained thermal images, was able to distinguish the influence of the applied roughness treatments. Results indicate that these two non-contact and non-destructive techniques can be used for the assessment of surface roughness. © 2004 Elsevier Ltd. All rights reserved.	en
heal.publisher	ELSEVIER SCI LTD	en
heal.journalName	NDT and E International	en
dc.identifier.doi	10.1016/j.ndteint.2004.03.002	en
dc.identifier.isi	ISI:000222544700009	en
dc.identifier.volume	37	en
dc.identifier.issue	7	en
dc.identifier.spage	571	en
dc.identifier.epage	575	en