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Femtosecond laser modification of multilayered TiAlN/TiN coatingGaković, Biljana ...A target of multilayered TiAlN/TiN coating deposited on steel was irradiated by 200 fs pulses of a Ti:Sapphire laser, operating at 775 nm. Laser fluences of 1.16 J cm- 2 to 116 J cm- 2 produced a ... range of modifications, from well defined parallel surface structures on the coating, to deep craters in the substrate. Parameters for coating ablation were determined in terms of laser fluence and pulse count. A single-pulse damage threshold was found to be 0.66 J cm- 2 and the damage incubation factor 0.642. At lower laser fluences formation of laser induced parallel surface structures was evident, beginning from the first pulse, with a periodicity of about 580 nm. These structures remained and were pronounced at the rim of the damage spot even when the coating was completely ablated in the centre.Source: Surface & coatings technology. - ISSN 0257-8972 (Vol. 206, no 2/3, 2011, str. 411-416)Type of material - article, component partPublish date - 2011Language - englishCOBISS.SI-ID - 15272214
Author
Gaković, Biljana |
Radu, Cazan |
Zamfirescu, M. |
Radak, Bojan |
Trtica, Milan |
Petrović, Suzana |
Panjan, Peter, 1957- |
Zupanič, Franc |
Ristoscu, C. |
Mihailescu, Ion N.
Topics
TiAlN/TiN prevleke |
femtosekundni laser |
meja za pojav poškodb |
SEM/FIB |
periodične površinske strukture |
TiAlN/TiN coating |
femtosecond laser |
damage threshold |
SEM/FIB |
periodic surface structures
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Gaković, Biljana | ![]() |
Radu, Cazan | ![]() |
Zamfirescu, M. | ![]() |
Radak, Bojan | ![]() |
Trtica, Milan | ![]() |
Petrović, Suzana | ![]() |
Panjan, Peter, 1957- | 09090 |
Zupanič, Franc | 12295 |
Ristoscu, C. | ![]() |
Mihailescu, Ion N. | ![]() |
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