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Novel procedure for studying laser-surface material interactions during scanning laser ablation cleaning processes on Cu-based alloys

Abstract : Laser ablation is an effective method to clean Cu-based alloys. A novel procedure of characterisation was developed involving 18O isotopes evaluated by ToF-SIMS spectroscopy to assess the driving mechanisms of laser-surface interactions. The presence of re-oxidised compounds was detected, discerning between the oxygen from the corrosion layer and the one introduced by the interaction with the laser (that was generated in a controlled atmosphere of 18O diluted in N2). A set of samples treated with different laser conditions were characterised by FESEM and μRaman. The results have shown that re-oxidation phenomenon can occur and its selectivity depends on the laser conditions.
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https://hal-cea.archives-ouvertes.fr/cea-03748815
Contributor : Serge Palacin Connect in order to contact the contributor
Submitted on : Wednesday, August 10, 2022 - 8:48:45 AM
Last modification on : Friday, August 12, 2022 - 3:25:07 AM

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Elisabetta Di Francia, Ruth Lahoz, Delphine Neff, Victor Rico, Nicolas Nuns, et al.. Novel procedure for studying laser-surface material interactions during scanning laser ablation cleaning processes on Cu-based alloys. Applied Surface Science, Elsevier, 2021, 544, pp.148820. ⟨10.1016/j.apsusc.2020.148820⟩. ⟨cea-03748815⟩

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