INFLUENCE OF CONDITIONS OF PLASMA SPRAYING OF ALUMINUM OXIDE POWDER ON THE POROSITY AND ELECTRICAL RESISTANCE OF A COATING
- Authors: Soloviev M.E.1, Raukhvarger A.B.2, Baldaev S.L.1, Baldaev L.K.1, Mischenko V.I.1
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Affiliations:
- Yaroslavl State Technical University
- Issue: No 5 (143) (2023)
- Pages: 22-32
- Section: Materials science in mechanical engineering
- URL: https://journals.rcsi.science/2223-4608/article/view/350429
- DOI: https://doi.org/10.30987/2223-4608-2023-22-32
- ID: 350429
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Abstract
Research evidence of plasma parameters effect when spraying aluminum oxide powder, causing the porosity and electrical resistance of the coating is offered in the article. A mathematical model of the coating effect dependence on spray coating modes, e.g. plasmotron distance to underlay surface, current strength and hydrogen consumption is proposed. Positive cor-relation between the porosity and the electrical resistance of the coating is shown.
About the authors
Mikhail Evgen'evich Soloviev
Email: abrrs@yandex.ru
ORCID iD: 0000-0002-8840-248X
doctor of physical and mathematical sciences 1993
Alexey Borisovich Raukhvarger
Yaroslavl State Technical University
Email: abrrs@yandex.ru
Assistant Professor of the Department of Information Systems and Technologies, docent, candidate of physical and mathematical sciences
Sergey L'vovich Baldaev
Email: abrrs@yandex.ru
ORCID iD: 0000-0002-1917-7979
candidate of technical sciences
Lev Khristoforovich Baldaev
Email: abrrs@yandex.ru
ORCID iD: 0000-0002-9084-8771
doctor of technical sciences
Viktoriya Igorevna Mischenko
Author for correspondence.
Email: abrrs@yandex.ru
References
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