Effect of low-temperature ion nitriding on microhardness, roughness and residual stresses in the surface layer of Ti-6Al-4V

The paper presents the results of two experimental series with low-temperature nitriding of VT6 titanium alloy in a non-self-maintained high-current arc discharge and in a glow discharge in different regimes. It is shown that microhardness and depth of a surface layer are significantly impacted by t...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 1393; no. 1; pp. 12066 - 12070
Main Authors Agzamov, R D, Tagirov, A F, Nikolaev, A A, Ramazanov, K N
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.11.2019
Subjects
Electric arcs
Glow discharges
Ion nitriding
Low temperature
Microhardness
Physics
Residual stress
Surface layers
Surface roughness
Titanium alloys
Titanium base alloys
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Summary:The paper presents the results of two experimental series with low-temperature nitriding of VT6 titanium alloy in a non-self-maintained high-current arc discharge and in a glow discharge in different regimes. It is shown that microhardness and depth of a surface layer are significantly impacted by the temperature of treatment. The value of surface roughness of the samples is also affected, with a temperature rise from 450 to 600°C resulting in a surface roughness increase by 2-2.5 times. The temperature of nitriding affects the sign and magnitude of residual stresses in a surface layer.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1393/1/012066