期刊
JOURNAL OF CULTURAL HERITAGE
卷 53, 期 -, 页码 100-117出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.culher.2021.10.010
关键词
Metal; Laser; Cleaning; Laser cleaning; Wetting agent; Pulse duration
Laser cleaning has become an established conservation cleaning treatment for various artifacts, but its application to metal artifacts is limited. The outcome of laser cleaning on metal artifacts appears to be case-dependent, highlighting the importance of selecting laser parameters and operating conditions. This article provides an overview of research conducted on commonly encountered metals in cultural heritage, offering valuable insights for conservators and guidance for future studies.
Over the past fifty years, laser cleaning has progressively become an established conservation cleaning treatment for a range of artefacts, including stone, ceramics and paintings. While its application to metal is not widespread, there have been several reports of laser cleaning on metal artefacts. However, the findings of these studies sometimes appear contradictory suggesting the laser cleaning outcome is strongly case-dependent and making it difficult to assess whether laser cleaning is a suitable technique for metal artefacts. The aim of this article is to give an overview of the research performed on the most commonly encountered metals in cultural heritage, i.e. copper, iron, silver and gold. This review shows that carefully selecting the laser wavelength, pulse duration and operating conditions (e.g. whether or not a wetting agent or inert gas is used) is crucial for optimising the laser cleaning outcome. It also highlights the importance of systematically assessing the outcomes of laser cleaning and will be helpful for conservators to understand whether laser cleaning might be suitable to conserve metal artefacts in their care. Further, this work represents a useful starting point for conservation scientists to plan future research in the laser cleaning of metals. (c) 2021 Published by Elsevier Masson SAS.
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