청동 조형물의 인공 파티나 제거를 위한 Nd:YAG 레이저 적용 실험 연구
Experimental Study for Removing Artificial Patinas of Bronze Sculpture by Nd:YAG Laser Cleaning System
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초록
In the midst of increasing importance of modern cultural assets, especially, most modern bronze objectsare exposed to outdoor environment, and as the objects are corroded steadily due to environmental factorsthe objects lost their original colors on the surface. We performed artificial patinas on the bronze sampleper each color of red, black and green and checked cuprite and tenorite which are detected from actualbronze corrosion by analyzing the components. In addition, we applied the existing corrosion removal methodsof grinder and sand blaster on a similar sample of bronze mirror per injection pressure and performed comparativeanalysis on the result with Nd:YAG laser. As a result of Nd:YAG laser cleaning artificial patinafrom bronze samples, all of the patinas were removed by laser wavelength 1064 nm better than 532 nm. Upon applying to a similar sample of bronze mirror, the artificial patina could be selectively removed fromsubstrates without surface damage when Nd:YAG laser was conducted other than the existing removal method,and so it showed the possibility of application.
Abstract
In the midst of increasing importance of modern cultural assets, especially, most modern bronze objects are exposed to outdoor environment, and as the objects are corroded steadily due to environmental factors the objects lost their original colors on the surface. We performed artificial patinas on the bronze sample per each color of red, black and green and checked cuprite and tenorite which are detected from actual bronze corrosion by analyzing the components. In addition, we applied the existing corrosion removal methods of grinder and sand blaster on a similar sample of bronze mirror per injection pressure and performed comparative analysis on the result with Nd:YAG laser. As a result of Nd:YAG laser cleaning artificial patina from bronze samples, all of the patinas were removed by laser wavelength 1064 nm better than 532 nm. Upon applying to a similar sample of bronze mirror, the artificial patina could be selectively removed from substrates without surface damage when Nd:YAG laser was conducted other than the existing removal method,and so it showed the possibility of application.
참고문헌 (7)
- H. M. Shin, "A Preliminary Study of Reproduction Techniques to Artificial Patinas on Bronze Sculpture", 석사, pp.2012
- Lyndusie Selwyn, "Metal and Corrosion: A Handbook for the Conservation Professional", 51~71 (2004)
- K. Kim, , J. Natl. Mus. Contemporary Art, 1, pp.51~ (2009)
- J. M. Lee, "Laser and Cleaning Process", pp.53~62 (2002), Hanrimwon
- J. M. Lee, , J. Conservation Sci, 10, pp.10~ (2001)
- Richard Hughes, "The Colouring, Bronzing and Patination of Metals" (1991), Watson-Guptill Publications: Whitney Library of Design
- E. J. Lee, "Application for Removing Products of Alteration on the Surface of Iron Artifacts by Dry Ice Snow System", 석사, pp.2012