Mechanical relaxation of SnO2 protective layers evaluated by nanoindentation and AFM

P. Nagy, P. Horváth, E. Kálmán, F. Kormos

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The mechanical properties of antimony doped SnO2 thin films have great importance due to the wide application of these materials. SnO 2 coatings prepared by spray pyrolysis (SP) and chemical vapor deposition (CVD) on a glass substrate have been investigated by nanoindentation for mechanical characterization. The hardness of the layers was found to be dependent on the preparation method, and the adhesion of the layer has an important role in the overall mechanical properties of the coating: the CVD layer adheres much better than the SP coating. The relaxation of nanoindentation impressions of both coatings shows a significantly larger relaxation than the substrate glass. A method was developed for resolving the spatial shape differences between the relaxed hardness indents and the ideal indenter pyramid. It provides a quantitative way to investigate the relaxation characteristic of different materials.

Original languageEnglish
Pages (from-to)115-122
Number of pages8
JournalMaterials and Manufacturing Processes
Volume20
Issue number1
DOIs
Publication statusPublished - 2005

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Anelastic relaxation
Nanoindentation
Coatings
Spray pyrolysis
Chemical vapor deposition
Hardness
Antimony
Glass
Mechanical properties
Substrates
Adhesion
Thin films

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Materials Science(all)

Cite this

Mechanical relaxation of SnO2 protective layers evaluated by nanoindentation and AFM. / Nagy, P.; Horváth, P.; Kálmán, E.; Kormos, F.

In: Materials and Manufacturing Processes, Vol. 20, No. 1, 2005, p. 115-122.

Research output: Contribution to journalArticle

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