Development of Nanostructured Al2O3- Ni HVOF coatings

Simo-Pekka Hannula, Erja Turunen, J. Keskinen, T. Varis, T. Fält, R. Nowak

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


HVOF thermal spraying has been developed to deposit dense Al2O3-coatings for improved protective properties. As compared to generally used plasma sprayed coatings HVOF coatings can be prepared much denser and thus are better suited for applications where protective properties of the coating are needed. In this paper we describe the development of HVOF spraying technologies for nanocrystalline Al2O3- and Al2O3-Ni-coatings. The microstructure and the mechanical properties of these novel coatings are reported and compared to a conventionally processed Al2O3-coating.
Original languageEnglish
Title of host publicationProceedings of the science of engineering ceramics III
PublisherTrans Tech Publications
Publication statusPublished - 2006
MoE publication typeNot Eligible
Event3rd International Symposium on the Science of Engineering Ceramics, EnCera '04 - Osaka, Japan
Duration: 31 Oct 20043 Nov 2004

Publication series

SeriesKey Engineering Materials


Conference3rd International Symposium on the Science of Engineering Ceramics, EnCera '04


  • aluminium (Al)
  • mechanical property
  • microstructure
  • nanocomposite
  • nickel (Ni)
  • thermal spraying

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