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Micromechanical and Electrophysical Properties of Al2O3 Nanostructured Dielectric Coatings on Plane Heating Elements

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By using the ion-plasma discharge system, an Al2O3 dielectric layer with nanoscale structure is formed on a plane heating element made of AMg2 aluminum-magnesium alloy. The sprayed Al2O3 layer consists of two sublayers with a total thickness of 13–15 μm and grain sizes of 4–306 nm. The surface roughness is equal to 50–60 nm. For the adhesion coefficient HSC ~ 1, the Meyer microhardness of the Al2O3 layer is equal to 0.788 and the Young modulus is equal to 75.433 GPa.

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Authors and Affiliations

  1. “L’vivs’ka Politekhnika” National University, Lviv, Ukraine

    Z. A. Duryahina, T. M. Kovbasyuk & V. Ya. Pidkova

  2. Presidium of the Ukrainian National Academy of Sciences, Kiev, Ukraine

    S. A. Bespalov

Authors
  1. Z. A. Duryahina
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  2. T. M. Kovbasyuk
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  3. S. A. Bespalov
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  4. V. Ya. Pidkova
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Corresponding author

Correspondence to T. M. Kovbasyuk.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 52, No. 1, pp. 51–55, January–February, 2016.

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Duryahina, Z.A., Kovbasyuk, T.M., Bespalov, S.A. et al. Micromechanical and Electrophysical Properties of Al2O3 Nanostructured Dielectric Coatings on Plane Heating Elements. Mater Sci 52, 50–55 (2016). https://doi.org/10.1007/s11003-016-9925-1

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  • DOI: https://doi.org/10.1007/s11003-016-9925-1

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