Surface treatment of metals in the plasma of a nanosecond diffuse discharge at atmospheric pressure

Mikhail Erofeev, Vasilii Ripenko, Mikhail Shulepov, Victor Tarasenko

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Abstract: The paper presents experimental results on surface treatment of metals in the plasma of a runaway electron preionized diffuse discharge (REP DD) in atmospheric pressure nitrogen. The parameters under study are the elemental composition, the nanohardness, the surface free energy (SFE) and the surface roughness of metals before and after plasma treatment. The study shows that REP DD plasma treatment with 105 discharge pulses provides ultrafine surface cleaning of the treated metals from carbon and increases their surface free energy up to 3 times, whereas the surface nanohardness and roughness of the treated metals remain almost unchanged. Graphical abstract: [Figure not available: see fulltext.].

Original languageEnglish
Article number117
JournalEuropean Physical Journal D
Volume71
Issue number5
DOIs
Publication statusPublished - 1 May 2017

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surface treatment
atmospheric pressure
metals
free energy
plasma jets
cleaning
surface roughness
roughness
nitrogen
carbon
pulses

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Surface treatment of metals in the plasma of a nanosecond diffuse discharge at atmospheric pressure. / Erofeev, Mikhail; Ripenko, Vasilii; Shulepov, Mikhail; Tarasenko, Victor.

In: European Physical Journal D, Vol. 71, No. 5, 117, 01.05.2017.

Research output: Contribution to journalArticle

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AU - Erofeev, Mikhail

AU - Ripenko, Vasilii

AU - Shulepov, Mikhail

AU - Tarasenko, Victor

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N2 - Abstract: The paper presents experimental results on surface treatment of metals in the plasma of a runaway electron preionized diffuse discharge (REP DD) in atmospheric pressure nitrogen. The parameters under study are the elemental composition, the nanohardness, the surface free energy (SFE) and the surface roughness of metals before and after plasma treatment. The study shows that REP DD plasma treatment with 105 discharge pulses provides ultrafine surface cleaning of the treated metals from carbon and increases their surface free energy up to 3 times, whereas the surface nanohardness and roughness of the treated metals remain almost unchanged. Graphical abstract: [Figure not available: see fulltext.].

AB - Abstract: The paper presents experimental results on surface treatment of metals in the plasma of a runaway electron preionized diffuse discharge (REP DD) in atmospheric pressure nitrogen. The parameters under study are the elemental composition, the nanohardness, the surface free energy (SFE) and the surface roughness of metals before and after plasma treatment. The study shows that REP DD plasma treatment with 105 discharge pulses provides ultrafine surface cleaning of the treated metals from carbon and increases their surface free energy up to 3 times, whereas the surface nanohardness and roughness of the treated metals remain almost unchanged. Graphical abstract: [Figure not available: see fulltext.].

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