Surface corrugation of carbon fiber via high-fluence nitrogen ion irradiation

SEM and laser goniophotometry were used to study a corrugation of VMN-4 carbon fiber shell of KUP-VM composite after high-fluence 30 keV N2+ ion irradiation at temperatures range from 100 to 600°C. It has been found that the angles of an inclination of corrugated structure increase with temperature...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-11, Vol.1121 (1), p.12002
Main Authors: Andrianova, N N, Borisov, A M, Makunin, A V, Mashkova, E S, Ovchinnikov, M A, Umarov, F F
Format: Article
Language:English
Subjects:
Carbon fibers
Chemical activity
Corrugation
Fluence
Gas temperature
Ion irradiation
Nitrogen
Nitrogen ions
Rare gases
Surface corrugation
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Summary:SEM and laser goniophotometry were used to study a corrugation of VMN-4 carbon fiber shell of KUP-VM composite after high-fluence 30 keV N2+ ion irradiation at temperatures range from 100 to 600°C. It has been found that the angles of an inclination of corrugated structure increase with temperature so that at temperature ∼270 °C reach maximum values ∼40°, staying at this level at subsequent temperature elevation up to 600 °C. Spatial period of corrugations alternation is about 1 µ m for temperatures range 100-200°C and 0.6 µ m for higher temperatures. Qualitative difference of nitrogen from noble gas temperature dependences of a corrugation is connected with a nitrogen chemical activity and creation of C-N bonds due to implantation.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1121/1/012002