Nanostructured ZrO2 ceramic PVD coatings on Nd-Fe-B permanent magnets

Taran, A. V.; Garkusha, I.E.; Taran, V. S.; Timoshenko, A. I.; Misuruk, I; Стариков, В. В.; Baturin, A. A.; Скобло, Т. С.; Romaniuk, S.P.; Mamalis, A.G.

doi:10.4024/n23ta18a.ntp.15.01

Cited by 4 publications

(2 citation statements)

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“…The ZrO 2 coating on Nd-Fe-B magnet was obtained in a Bulat-type device by condensing vacuum-arc plasma kept free from macro-particles by means of a curvilinear filter. 9,[11][12][13] The scheme of the experimental setup is shown in Fig. 1.…”

Section: Methodsmentioning

confidence: 99%

Application of Nd-Fe-B Permanent Magnets with Ion-Plasma ZrO2 Coating in Orthodontics

et al. 2021

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The use of braces for correcting the position of single teeth in some cases seems to be impractical, since this may lead to a violation of the position of adjacent teeth used as a support for such correction. An alternative way to displace single teeth into a normal position is to use an apparatus with permanent Nd-Fe-B magnets, which allows localizing the impact of force and the required aesthetic and functional result with fewer side effects, as well as reducing the cost of treatment. The structure, phase composition of zirconium oxide films on Nd-Fe-B magnets have been investigated by means of scanning electron microscopy (SEM) with energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD) and X-ray fluorescent analysis (XRF). The influence of the ZrO 2 coating in terms of its barrier properties for corrosion in quasi-physiological 0.9 NaCl solution has been studied. Clinical case of the treatment of malocclusion by using orthodontic appliances with permanent magnets is discussed.

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Section: Methodsmentioning

confidence: 99%

Application of Nd-Fe-B Permanent Magnets with Ion-Plasma ZrO2 Coating in Orthodontics

et al. 2021

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“…In recent years, various wear-resistant coatings have been used for hardening technologies in mechanical engineering, which, due to the effective choice of the components composition, can provide various consumer properties increasing tool-life. It was shown in [1][2][3][4][5] that the effectiveness of hardened nanostructured coatings with single or multilayer architecture provided an increase in the operational resistance of tools by 7-15 times. At the same time, in such coatings, degradation processes and composition deviations were studied less intensively.…”

Section: Introductionmentioning

confidence: 99%

ESTIMATION OF LOCAL INHOMOGENEITY OF MULTILAYER NANOSTRUCTURED ZrN/ZrO2 COATING

Скобло¹,

Romaniuk²,

Belkin³

et al. 2021

Problems of Atomic Science and Technology

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Multilayer nanostructured ZrN/ZrO2 coatings were applied to increase the operational resistance of various machinery parts by using vacuum-arc deposition in Bulat-type facility. To describe the structure formation, a new approach based on optical-mathematical method for processing metallographic images is proposed. The structure formation of the multilayer coating with an assessment of the degree of its inhomogeneity and diffusion processes between the layers is studied. For a reliable assessment, the changes in the horizontal and vertical directions of the images with the choice of optimal intervals were comparatively analyzed. It has been found that the most stable results are achieved using 20 and 25 dots (pixels).

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