Properties of the copper surface layers treated by volume gas discharge at atmospheric preassure

Abstract

This paper presents new experimental data on the properties of the near-surface layers of copper specimens treated by plasma of diffuse discharge. A runaway electron preionized diffuse discharge was formed in air, nitrogen and carbon dioxide at atmospheric pressure by applying of nanosecond high voltage pulses to electrode of small curvature radius. The cleaning from carbon in comparison to the initial sample was observed at a depth exceeding 55 nm. The oxygen concentration was also significantly increased in comparison to that in the initial sample at a depth of up to about 25 nm. It is shown that the nanohardness of copper specimens increased due to interaction of near-surface layers with product of plasma chemical reactions produced in diffuse discharge.

Original language	English
Title of host publication	Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781479962211
DOIs	https://doi.org/10.1109/MEACS.2014.6986949
Publication status	Published - 15 Dec 2014
Event	2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 - Tomsk, Russian Federation Duration: 16 Oct 2014 → 18 Oct 2014

Other

Other	2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
Country	Russian Federation
City	Tomsk
Period	16.10.14 → 18.10.14

Keywords

pulsed gas discharge
runaway electrons
surface treatment

ASJC Scopus subject areas

Mechanical Engineering
Electrical and Electronic Engineering
Control and Systems Engineering

Access to Document

10.1109/MEACS.2014.6986949

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Cite this

Tarasenko, V., Erofeev, M., & Shulepov, M. (2014). Properties of the copper surface layers treated by volume gas discharge at atmospheric preassure. In Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 [6986949] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEACS.2014.6986949

Properties of the copper surface layers treated by volume gas discharge at atmospheric preassure. / Tarasenko, Victor; Erofeev, Mikhail; Shulepov, Mikhail.

Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014. Institute of Electrical and Electronics Engineers Inc., 2014. 6986949.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tarasenko, V, Erofeev, M & Shulepov, M 2014, Properties of the copper surface layers treated by volume gas discharge at atmospheric preassure. in Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014., 6986949, Institute of Electrical and Electronics Engineers Inc., 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014, Tomsk, Russian Federation, 16.10.14. https://doi.org/10.1109/MEACS.2014.6986949

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abstract = "This paper presents new experimental data on the properties of the near-surface layers of copper specimens treated by plasma of diffuse discharge. A runaway electron preionized diffuse discharge was formed in air, nitrogen and carbon dioxide at atmospheric pressure by applying of nanosecond high voltage pulses to electrode of small curvature radius. The cleaning from carbon in comparison to the initial sample was observed at a depth exceeding 55 nm. The oxygen concentration was also significantly increased in comparison to that in the initial sample at a depth of up to about 25 nm. It is shown that the nanohardness of copper specimens increased due to interaction of near-surface layers with product of plasma chemical reactions produced in diffuse discharge.",

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N2 - This paper presents new experimental data on the properties of the near-surface layers of copper specimens treated by plasma of diffuse discharge. A runaway electron preionized diffuse discharge was formed in air, nitrogen and carbon dioxide at atmospheric pressure by applying of nanosecond high voltage pulses to electrode of small curvature radius. The cleaning from carbon in comparison to the initial sample was observed at a depth exceeding 55 nm. The oxygen concentration was also significantly increased in comparison to that in the initial sample at a depth of up to about 25 nm. It is shown that the nanohardness of copper specimens increased due to interaction of near-surface layers with product of plasma chemical reactions produced in diffuse discharge.

AB - This paper presents new experimental data on the properties of the near-surface layers of copper specimens treated by plasma of diffuse discharge. A runaway electron preionized diffuse discharge was formed in air, nitrogen and carbon dioxide at atmospheric pressure by applying of nanosecond high voltage pulses to electrode of small curvature radius. The cleaning from carbon in comparison to the initial sample was observed at a depth exceeding 55 nm. The oxygen concentration was also significantly increased in comparison to that in the initial sample at a depth of up to about 25 nm. It is shown that the nanohardness of copper specimens increased due to interaction of near-surface layers with product of plasma chemical reactions produced in diffuse discharge.

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