XRF and LIBS measuring on metal and ceramic laser-cleaned surfaces
AuthorsRadojković, Bojana M.
Polić, Suzana R.
Conference object (Published version)
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The use of lasers in the conservation of artefacts plays an important role since its posibilities of safe, efficient and efective cleaning on complex surfaces and wide range of materials. This paper presents the results of the laser cleaning effects on ceramic medieval artefacts originated from archaeological sites from region of Tyre and Sidon, Lebanon and naturally tarnished brass plate (unknown origin). Nd: YAG and Er: Glass lasers were used to clean unwanted layers from artefact surface. Before these investigations, some preliminary analyses were conducted on the comparable contemporary samples. Effects on the laser irradiated zones were investigated by optical and SEM microscopy and EDX analysis. LIBS and XRF were used for the morphological and chemical analysis of laser radiation impact on the examined materials. Also surface's profile roughness and surface hardness were measured. Some parameters for successfully and safely cleaning of brass surface without degrading the surround...ing material were determined. © 2016 IMEKO-International Measurement Federation Secretariat. All rights reserved.
Keywords:Ceramic / Copper / Laser cleaning / LIBS / SEM / XRF
- Ministry of Culture of the Republic of Serbia for its financial support under Project 1/74-14.7.2011.
- IMEKO International Conference on Metrology for Archeology and Cultural Heritage, MetroArcheo 2016