Structure and Efficiency of Gas-Dynamic Deposition of Hybrid Coatings Based on a Nanocrystalline Aluminum Matrix

Aborkin, A. V.; Алымов, М. И.; Kireev, A. V.; Sobol’kov, A. V.; Архипов, В. Е.

doi:10.1007/s11015-018-0723-x

Cited by 7 publications

(2 citation statements)

References 10 publications

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“…The method of mechanical processing in a planetary ball mill can be successfully used for obtaining such powders, providing the synthesis of multiparticle powders of the granulometric composition required for gas-dynamic spraying [17,18]. The obvious advantages of this method include the possibility of implementing the processes of reinforcement distribution, nanostructuring and dispersion of matrix material within one technological cycle [19].…”

Section: Introductionmentioning

confidence: 99%

Fabrication and characterization of aluminum-based powders multi-reinforced with nano- and microparticles

Aborkin,

Babin,

Bokaryov

2023

E3S Web Conf.

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Multi-reinforced powders were obtained by high-energy ball milling in a planetary mill. The process of obtaining heterogeneous powders consisted of two stages. At the first stage, a nanocomposite powder of AlMg6 + 0.3 wt.% C60 was obtained. In the second stage, 10, 30, 50, and 70 wt.% Al2O3 were added to the obtained nanocomposite powder and processing continued. Methods such as scanning electron microscopy, X-ray diffraction, and particle size analysis were used to characterize the obtained powders. It is shown that after the first stage of processing, the particles of the composite powder are characterized by an irregular shape. C60 reinforcing particles in the form of nanosized agglomerates were fixed on the surface of aluminum powder particles. After the second stage of processing, the particle size of the powder mixture decreased from 17.8 to 12.3 μm, while the proportion of Al2O3 particles increased from 10% to 70% by weight. It is shown that the synthesized heterogeneous powders were a mechanical mixture consisting of complex composition agglomerates and micro-sized ceramic particles. Complex composition agglomerates were formed from nanocrystalline matrix material particles and C60, and also with Al2O3 microparticles embedded in them, as well as located on the surface. The concentration of Al2O3 particles on the surface and inside the agglomerates increased with increasing weight fraction of ceramic particles in the mixture. It has been found that the introduction of 10-70 wt. % Al2O3 into the powder mixture increases the microhardness of the powder particles by approximately 16-23%. The resulting multi-reinforced powder mixtures can be utilized for coating deposition using the cold gas dynamic spraying method.

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Section: Introductionmentioning

confidence: 99%

Fabrication and characterization of aluminum-based powders multi-reinforced with nano- and microparticles

Aborkin,

Babin,

Bokaryov

2023

E3S Web Conf.

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“…Recently, this has become widely used mechanical processing of materials in planetary ball mills. Mechanical processing of the powder mixture is the initial stage of the technology for producing bulk composite materials and hybrid coatings [2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Increasing of Energy-Power Indicators of Mechanical Processing in a Planetary Mill by the Use of a Working Chamber with a Square Shape of the Internal Cavity

Гусев

Sobol’kov

Aborkin

2020

SSP

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The paper presents the results of a computational study of the influence of the geometry of the working chamber on the energy-force interaction of grinding bodies in the process of the mixture processing in a planetary mill. The method of computer simulation, using the software system, based on the ideology of discrete elements, shows the high efficiency of processing in a planetary mill, using a working chamber with a square-shaped cavity. The values of the factors that have a dominant influence on the mechanical processing of the charge are determined. A comparison with the process of processing in the working chamber of the traditional cylindrical shape is made. The research results will be used in the appointment of large-size charge processing regimes that provide a high-energy grinding process.

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Fabrication of multi-reinforced powders for gas-dynamic spraying by powder metallurgy

Aborkin,

Babin,

Bokaryov

et al. 2024

Metallurgist

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Structure and Efficiency of Gas-Dynamic Deposition of Hybrid Coatings Based on a Nanocrystalline Aluminum Matrix

Cited by 7 publications

References 10 publications

Fabrication and characterization of aluminum-based powders multi-reinforced with nano- and microparticles

Fabrication and characterization of aluminum-based powders multi-reinforced with nano- and microparticles

Increasing of Energy-Power Indicators of Mechanical Processing in a Planetary Mill by the Use of a Working Chamber with a Square Shape of the Internal Cavity

Fabrication of multi-reinforced powders for gas-dynamic spraying by powder metallurgy

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