In this work the effect of femtosecond Yb fiber laser irradiation on Ti6Al4V titanium alloy is assessed. An extensive experimental campaign is carried out to survey surface properties through the use of SEM, AFM, EDS mapping and contact angle measurements. It is shown that the generation of uniform nanoscale laser induced periodic surface structures (LIPSS) allows to tailor surface properties and improves adhesive bonding with epoxy resin. The potential of the technique to improve the durability of the joints against accelerated aging is also evaluated.
Innovative high-speed femtosecond laser nano-patterning for improved adhesive bonding of Ti6Al4V titanium alloy / Rotella, Giovanna; Orazi, Leonardo; Alfano, Marco; Candamano, Sebastiano; Gnilitskyi, Iaroslav. - In: CIRP - JOURNAL OF MANUFACTURING SCIENCE AND TECHNOLOGY. - ISSN 1755-5817. - 18:(2017), pp. 101-106. [10.1016/j.cirpj.2016.10.003]
Innovative high-speed femtosecond laser nano-patterning for improved adhesive bonding of Ti6Al4V titanium alloy
ORAZI, Leonardo;Alfano, Marco;GNILITSKYI, IAROSLAV
2017
Abstract
In this work the effect of femtosecond Yb fiber laser irradiation on Ti6Al4V titanium alloy is assessed. An extensive experimental campaign is carried out to survey surface properties through the use of SEM, AFM, EDS mapping and contact angle measurements. It is shown that the generation of uniform nanoscale laser induced periodic surface structures (LIPSS) allows to tailor surface properties and improves adhesive bonding with epoxy resin. The potential of the technique to improve the durability of the joints against accelerated aging is also evaluated.
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1-s2.0-S1755581716300712-main(1).pdf
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VOR_Innovative high-speed femtosecond laser nano-patterning.pdf
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BortoluzziArslanovicKadicBalboni_postprint_Innovativeness as a driver of the international expansion of developing markets’ firms.pdf
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