Surface modification of aluminum by runaway electron preionized diffuse discharges in different gases at atmospheric pressure

Mikhail V. Erofeev; Mikhail A. Shulepov; Victor F. Tarasenko

doi:10.1117/12.2224705

15 December 2015 Surface modification of aluminum by runaway electron preionized diffuse discharges in different gases at atmospheric pressure

Mikhail V. Erofeev, Mikhail A. Shulepov, Victor F. Tarasenko

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Proceedings Volume 9810, International Conference on Atomic and Molecular Pulsed Lasers XII; 98100V (2015) https://doi.org/10.1117/12.2224705
Event: XII International Conference on Atomic and Molecular Pulsed Lasers, 2015, Tomsk, Russian Federation

Abstract

The paper presents the results of an examination of aluminum samples exposed to runaway electron preionized diffuse discharges in air, nitrogen, and argon at atmospheric pressure. The changes in the chemical composition, structure, and hardness of the aluminum surface layers caused by the action of the discharge were investigated. It has been found that the oxygen and carbon concentrations in the surface layers depend on the number of discharge pulses and on the chemical composition of the working gas. The goal of the study was to find possible uses of runaway electron preionized diffuse discharges in research and industry.

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Mikhail V. Erofeev, Mikhail A. Shulepov, and Victor F. Tarasenko "Surface modification of aluminum by runaway electron preionized diffuse discharges in different gases at atmospheric pressure", Proc. SPIE 9810, International Conference on Atomic and Molecular Pulsed Lasers XII, 98100V (15 December 2015); https://doi.org/10.1117/12.2224705

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KEYWORDS

Aluminum

Oxygen

Nitrogen

Carbon

Argon

Gases

Metals

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