Publication detail

Diagnostic of Plasmachemical Removal of Complex Corrosion Layers from Metallic Surfaces

Krčma, F., Klíma, M.

Original Title

Diagnostic of Plasmachemical Removal of Complex Corrosion Layers from Metallic Surfaces

English Title

Diagnostic of Plasmachemical Removal of Complex Corrosion Layers from Metallic Surfaces

Type

conference paper

Language

en

Original Abstract

Plasmachemical treatment of corrosion layers is a technique usually applied in the field of archaeological metallic artifacts conservation and restoration. The process is based on using low-pressure hydrogen plasma in which the artifacts are treated for several hours, usually in more steps. The diagnostics of this process was given for the oxide corrosion only where the OH radicals spectra and H atomic lines were observed. The real corrosion layers are much more complicated, they contain also the chlorine, amino, carbon, sulfate and other corrosion types. The complex corrosion layers on the copper samples were prepared in this study. Besides the hydrogen and OH radicals spectra the spectra of molecules containing nitrogen, carbon and oxygen were recorded as a function of the plasma treatment duration. These species are removed from the plasma faster than oxides and thus the monitoring of OH radicals spectra will be sufficient for the process monitoring in the cases when the oxide corrosion is presented, too.

English abstract

Plasmachemical treatment of corrosion layers is a technique usually applied in the field of archaeological metallic artifacts conservation and restoration. The process is based on using low-pressure hydrogen plasma in which the artifacts are treated for several hours, usually in more steps. The diagnostics of this process was given for the oxide corrosion only where the OH radicals spectra and H atomic lines were observed. The real corrosion layers are much more complicated, they contain also the chlorine, amino, carbon, sulfate and other corrosion types. The complex corrosion layers on the copper samples were prepared in this study. Besides the hydrogen and OH radicals spectra the spectra of molecules containing nitrogen, carbon and oxygen were recorded as a function of the plasma treatment duration. These species are removed from the plasma faster than oxides and thus the monitoring of OH radicals spectra will be sufficient for the process monitoring in the cases when the oxide corrosion is presented, too.

Keywords

plasma reduction, complex corrosion, optical spectroscopy

RIV year

2005

Released

17.07.2005

Publisher

Eindhoven University of Technology

Location

Eindhoven

ISBN

90-386-2231-7

Book

Proceedings of ICPIG XXVII

Pages from

08-225

Pages count

4

BibTex


@inproceedings{BUT14950,
  author="František {Krčma} and Marek {Cihlář} and Miloš {Klíma}",
  title="Diagnostic of Plasmachemical Removal of Complex Corrosion Layers from Metallic Surfaces",
  annote="Plasmachemical treatment of corrosion layers is a technique usually applied in the field of archaeological metallic artifacts conservation and restoration. The process is based on using low-pressure hydrogen plasma in which the artifacts are treated for several hours, usually in more steps. The diagnostics of this process was given for the oxide corrosion only where the OH radicals spectra and H atomic lines were observed. The real corrosion layers are much more complicated, they contain also the chlorine, amino, carbon, sulfate and other corrosion types. The complex corrosion layers on the copper samples were prepared in this study. Besides the hydrogen and OH radicals spectra the spectra of molecules containing nitrogen, carbon and oxygen were recorded as a function of the plasma treatment duration. These species are removed from the plasma faster than oxides and thus the monitoring of OH radicals spectra will be sufficient for the process monitoring in the cases when the oxide corrosion is presented, too.",
  address="Eindhoven University of Technology",
  booktitle="Proceedings of ICPIG XXVII",
  chapter="14950",
  institution="Eindhoven University of Technology",
  year="2005",
  month="july",
  pages="08-225",
  publisher="Eindhoven University of Technology",
  type="conference paper"
}