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Cleaning oxides from metal artifacts using a frequency-doubled Nd:YAG laser
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
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2006 (English)In: Peer reviewed conference proceedings: PICALO 2006, 2nd Pacific International Conference on Applications of Lasers and Optics : April 3 - 5, 2006, Grand Hyatt Melbourne, Melbourne, Australia / [ed] Milan Brandt, Orlando, Fla.: Laser institute of America , 2006, 305-310 p.Conference paper (Refereed)
Abstract [en]

This paper presents the results of an experimental program investigating the ablation of oxides from copper alloy surfaces using a frequency doubled Nd:YAG laser. A collection of coins with similar levels of surface oxidation were cleaned using range of laser pulsing parameters on dry, wet and submerged surfaces. It was discovered that laser cleaning was always associated with one of two types of coin surface damage. At higher powers the damage took the form of surface melting and at lower powers the incident laser beam converted the original oxide layer into adherent droplets of molten metal

Place, publisher, year, edition, pages
Orlando, Fla.: Laser institute of America , 2006. 305-310 p.
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-39068Local ID: da98efb0-dd36-11db-9cae-000ea68e967bISBN: 0-912035-846OAI: oai:DiVA.org:ltu-39068DiVA: diva2:1012576
Conference
Pacific International Conference on Applications of Lasers and Optics : 03/04/2006 - 05/04/2006
Note
Godkänd; 2006; 20070328 (cira)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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