Laser cleaning of varnishes and contaminants on brass
The capability of laser ablation to perform controlled cleaning of varnishes containing contaminants and paints used by restorers in artistic objects from brass samples while keeping unaltered the finish structure is demonstrated in this work. Adequate laser energy per pulse and number of laser shot...
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| Veröffentlicht in: | Applied surface science 2009-03, Vol.255 (10), p.5579-5583 |
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| container_issue | 10 |
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| container_title | Applied surface science |
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| creator | Mateo, M.P. Ctvrtnickova, T. Fernandez, E. Ramos, J.A. Yáñez, A. Nicolas, G. |
| description | The capability of laser ablation to perform controlled cleaning of varnishes containing contaminants and paints used by restorers in artistic objects from brass samples while keeping unaltered the finish structure is demonstrated in this work. Adequate laser energy per pulse and number of laser shots required to perform a suitable cleaning by laser ablation have been optimized. The inspection of the samples before and after the cleaning process by optical microscopy and by Fourier transform infrared spectroscopy (FTIR) technique demonstrated that the finish structure of the surface was intact while the coatings were completely eliminated. Furthermore, a laser-induced plasma spectroscopy (LIBS)-based detection system was applied during the irradiation process for the analysis of the material removal and also for its monitoring. |
| doi_str_mv | 10.1016/j.apsusc.2008.08.034 |
| format | Article |
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| ispartof | Applied surface science, 2009-03, Vol.255 (10), p.5579-5583 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Brass Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Laser ablation Laser cleaning Laser-induced breakdown spectroscopy (LIBS) Metal artefacts Physics |
| title | Laser cleaning of varnishes and contaminants on brass |
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