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SURFACE TOPOGRAPHY AND ROUGHNESS PARAMETERS OF ELECTROSPARK COATINGS ON TITANIUM AND NICKEL ALLOYS

Authors:

Georgi Kostadinov1, Pancho Danailov2, Rayna Dimitrova2, Mara Kandeva2,3,

Todor Penyashki1

, Valentin Kamburov2, Antonio Nikolov2, Blagoj Elenov1

1Institute of Soil Science, Agrotechnologies and Plant Protection „N. Pushkarov“, Sofia, Bulgaria
2Technical University of Sofia, Bulgaria
3South Ural State University, 76 Prospekt Lenina, Chelyabinsk, Russia

Received: 17.06.2021.
Accepted: 17.08.2021.
Available: 30.09.2021.

Abstract:

This paper examines the topography and roughness of coatings of hard alloyed materials deposited by electrospark deposition (ESD) on titanium and nickel alloys with different initial roughness. The influence of the electrode materials and the energy parameters of the ESD process on the roughness parameters Ra, Rt, Rq, Rz, Rmax, on the depth of waviness Wt, the asymmetry Rsk, the excess Rku, on the depth of core roughness Rk and the depth of the reduced picks roughness Rpk was established. The conditions for ESD are indicated, under which the traces of the previous treatment are erased and the characteristics of the initial substrate surface are improved. The numerical values of the roughness parameters forelectrospark coatings from five types of hard alloys and one type of TiB2 based electrode with nanosized additives have been established.

Keywords:

Electrospark deposition, coatings, roughness, carbide materials, amorphous alloy

References:

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https://doi.org/10.1016/j.surfcoat.2007.08.068
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[7] V. Mikhailov, A. Gitlevich, A. Verkhoturov, A. Mikhaylyuk, A. Belyakovsky, L. Konevtsov, Electrospark alloying of titanium and its alloys, physical and technological aspects and the possibility of practical use. Short review, Electronic Processing of Materials, 49 (5), 2013: 21-44. (in Russian)
[8] G.D. Kostadinov, T.G. Penyashki, D.D. Radev, Mathematical Modeling of Roughness Changing of Hard Metal Coatings Obtained by Contactless Electrospark Deposition. Surf. Engin. Appl. Electrochem, 55, 2019: 522-530. https://doi.org/10.3103/S1068375519050077
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https://doi.org/10.24874/PES01.01.029
[12] A. Vencl, K. Jakimovska, B. Ivanova, J. Ruzic, S. Simeonov, M. Kandeva, Static and Kinetic Friction of Electroless Ni Composite Coatings. Journal of Achievements in Materials and Manufacturing Engineering, 70 (1), 2015: 13-21.
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)

Volume 9
Number 4
December 2024

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Volume 9
Number 4
December 2024

How to Cite

G. Kostadinov, P. Danailov, R. Dimitrova, M. Kandeva, T. Penyashki, V. Kamburov, A. Nikolov, B. Elenov, Surface Topography and Roughness Parameters of Electrospark Coatings on Titanium and Nickel Alloys. Applied Engineering Letters, 6(3), 2021: 89–98.
https://doi.org/10.18485/aeletters.2021.6.3.1

More Citation Formats

Kostadinov, G., Danailov, P., Dimitrova, R., Kandeva, M., Penyashki, T., Kamburov, V., Nikolov, A., & Elenov, B. (2021). Surface Topography and Roughness Parameters of Electrospark Coatings on Titanium and Nickel Alloys. Applied Engineering Letters6(3), 89–98.
https://doi.org/10.18485/aeletters.2021.6.3.1

Kostadinov, Georgi, et al. “Surface Topography and Roughness Parameters of Electrospark Coatings on Titanium and Nickel Alloys.” Applied Engineering Letters, vol. 6, no. 3, 2021, pp. 89–98,
https://doi.org/10.18485/aeletters.2021.6.3.1.

Kostadinov, Georgi, Pancho Danailov, Rayna Dimitrova, Mara Kandeva, Todor Penyashki, Valentin Kamburov, Antonio Nikolov, and Blagoj Elenov. 2021. “Surface Topography and Roughness Parameters of Electrospark Coatings on Titanium and Nickel Alloys.” Applied Engineering Letters 6 (3): 89–98.
https://doi.org/10.18485/aeletters.2021.6.3.1.

Kostadinov, G., Danailov, P., Dimitrova, R., Kandeva, M., Penyashki, T., Kamburov, V., Nikolov, A. and Elenov, B. (2021). Surface Topography and Roughness Parameters of Electrospark Coatings on Titanium and Nickel Alloys. Applied Engineering Letters, 6(3), pp.89–98. doi: 10.18485/aeletters.2021.6.3.1.

SURFACE TOPOGRAPHY AND ROUGHNESS PARAMETERS OF ELECTROSPARK COATINGS ON TITANIUM AND NICKEL ALLOYS

Authors:

Georgi Kostadinov1, Pancho Danailov2, Rayna Dimitrova2, Mara Kandeva2,3

Todor Penyashki1

, Valentin Kamburov2, Antonio Nikolov2, Blagoj Elenov1

1Institute of Soil Science, Agrotechnologies and Plant Protection „N. Pushkarov“, Sofia, Bulgaria
2Technical University of Sofia, Bulgaria
3South Ural State University, 76 Prospekt Lenina, Chelyabinsk, Russia

Received: 17.06.2021.
Accepted: 17.08.2021.
Available: 30.09.2021.

Abstract:

This paper examines the topography and roughness of coatings of hard alloyed materials deposited by electrospark deposition (ESD) on titanium and nickel alloys with different initial roughness. The influence of the electrode materials and the energy parameters of the ESD process on the roughness parameters Ra, Rt, Rq, Rz, Rmax, on the depth of waviness Wt, the asymmetry Rsk, the excess Rku, on the depth of core roughness Rk and the depth of the reduced picks roughness Rpk was established. The conditions for ESD are indicated, under which the traces of the previous treatment are erased and the characteristics of the initial substrate surface are improved. The numerical values of the roughness parameters forelectrospark coatings from five types of hard alloys and one type of TiB2 based electrode with nanosized additives have been established.

Keywords:

Electrospark deposition, coatings, roughness, carbide materials, amorphous alloy

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)

Volume 9
Number 4
December 2024

Loading

Last Edition

Volume 9
Number 4
December 2024