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Aviation materials and technologies №1, 2009

Contents

  • L.V. Nagaeva, V.V. Nagaev, V.V. Semenychev
  • V.N. Koshelev, O.A. Gubenkova

    Research on the protective properties of pyrolytic aluminum coatings of 30 hgsa steel

  • V.V. Nagaev, L.V. Nagaeva

    Research of the cluster composition nickel-fluoroplastic coatings

  • E.V. Tyurikov

    Research on the performance characteristics of coatings produced in the self-regulating chromium-plating electrolyte, containing nanopowder of aluminum oxide with the particle size of 5-50 nm

  • V.V. Nagaev

    Research on the nickel-plating electrolytes containing nanjpowders

  • S.N. Mikov, B.P. Naletov

    Research on cluster nickel-plating electrolytes using optic spectroscopy method

  • B.P. Naletov

    Cluster galvanization-nanotechnology of electrochemical colloid systems

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L.V. Nagaeva, V.V. Nagaev, V.V. Semenychev1

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

The properties of zinc-based coatings produced of electrolytes containing nanopowders of oxides and carbides are researched and compared to the properties of standard zinc coatings. The researches conducted show that cluster zinc-based coatings exceed standard zinc coatings in a combination of obtained properties.

Keywords: electroplated coatings,nanopowders

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    V.N. Koshelev, O.A. Gubenkova

    Research on the protective properties of pyrolytic aluminum coatings of 30 hgsa steel

    The evaluation of the protective properties of pyrolytic aluminum coatings (PAC) applied to 30 HGSA steel substrates is conducted using controlled potential researches and accelerated corrosion tests in the salt spray chamber. It was established that protective properties of PAC are increasing with the increase in coating thickness and additional PAC treatment: anodic and chemical oxidation. The protective properties of pyrolytic aluminum coatings applied to 30 HGSA steel are similar to the protective properties of galvanic chromate-treated cadmium.

    Keywords: pyrolytic aluminum coatings

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      V.V. Nagaev, L.V. Nagaeva

      Research of the cluster composition nickel-fluoroplastic coatings

      The following properties of the cluster composition nickel-fluoroplastic coatings were researched: deposition rate, adhesion, porosity, microhardness.

      Keywords: cluster composition coatings,microhardness

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        E.V. Tyurikov1

        [1] ULYANOVSK SCIENTIFIC AND TECHNOLOGICAL CENTER, untcviam@viam.ru

        Research on the performance characteristics of coatings produced in the self-regulating chromium-plating electrolyte, containing nanopowder of aluminum oxide with the particle size of 5-50 nm

        Presented here are the results of the researches on the chromium coatings' properties produced in electrolytes containing nanopowder of aluminum oxide and compared to the properties of the standard chromium coatings. The researches conducted showed that the properties of the chromium coatings produced in electrolytes containing nanopowder of aluminum oxide exceed the properties of coatings produced in standard electrolytes.

        Keywords: chromium coatings',nanopowder of aluminum oxide

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          V.V. Nagaev

          Research on the nickel-plating electrolytes containing nanjpowders

          The influence of nanopowders of Al2O3 and SiC on the properties of sulphamate nickel-plating electrolyte (current efficiency, diffusibility) was researched. The sedimentation stability (deposition rate) and adsorption property of nanopowders were studied.

          Keywords: nickel-plating electrolyte,sedimentation stability

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            S.N. Mikov, B.P. Naletov

            Research on cluster nickel-plating electrolytes using optic spectroscopy method

            Listed are the results of the experimental studies of nanosuspensions of oxides and carbides in water and sulphamate nickel-plating electrolytes using optical methods. It was concluded that absorption spectrum of nanosuspensions have no new spectral bands as compared to pure electrolytes, and Raman spectra allow to reveal the presence of the sulphamate fragment. The positive results on the visualization of nanoparticles (clusters) in the suspension with the light scattering method in the intensive laser radiation are obtained.

            Keywords: cluster nickel-plating electrolytes,optic spectroscopy

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              B.P. Naletov

              Cluster galvanization-nanotechnology of electrochemical colloid systems

              Such questions as the definition of galvanic cluster and cluster technology concepts are considered. Presented is the model of the mechanism of electroplated coatings deposition from colloid electrolytes, when the cation adsorption on the oxides and carbides nanoparticles and the Brownian motion of clusters at the deposition surface are of the main significance.

              Keywords: custer galvanization,nanoparticles

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