Surface modifications of Ti6A14V by a picosecond Nd:YAG laser
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Trtica, MilanRadak, Bojan
Gaković, Biljana M.
Milovanović, Dubravka S.
Batani, Dimitri
Desai, T.
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Interaction of a Nd:YAG laser, operating at wavelengths of 1064 nm (23.6 J cm(-2) fluence) or 532 nm (25.9 J cm(-2) fluence), and pulse duration of 40 ps, with a titanium-based medical implant Ti6A14V alloy was studied. Surface at laser wavelengths 1064 nm and 532 rim, damage thresholds were estimated to be 0.9 J cm(-2) and 0.25 J cm(-2) respectively. At both laser wavelengths, the energy absorbed was mostly converted into thermal energy, forming craters, albeit about 50 times deeper at 1064 run than at 532 run. Periodic surface structures (PSS) were also formed with both laser wavelengths, concentric, and radial at micrometer scale (3 mu m to 15 mu m period), parallel at nanometer scale (800 nm period with the 1064 nm laser, 400 nm with The 532 nm laser). In the case of the 532 nm laser, the concentric Structures enlarge their period with accumulating laser pulse count. These features can help roughening of the implant surface and improve bio-compatibility.
Keywords:
Biomaterials / Crater formation / Laser surface modification / Periodic surface structures / Picosecond / Nd:YAG laser / Ti6A14VSource:
Laser and Particle Beams, 2009, 27, 1, 85-90Funding / projects:
- Spektroskopska i laserska istraživanja površina, plazme i životne sredine (RS-MESTD-MPN2006-2010-142065)
DOI: 10.1017/S0263034609000123
ISSN: 0263-0346
WoS: 000263769700012
Scopus: 2-s2.0-67649526250
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VinčaTY - JOUR AU - Trtica, Milan AU - Radak, Bojan AU - Gaković, Biljana M. AU - Milovanović, Dubravka S. AU - Batani, Dimitri AU - Desai, T. PY - 2009 UR - https://vinar.vin.bg.ac.rs/handle/123456789/3639 AB - Interaction of a Nd:YAG laser, operating at wavelengths of 1064 nm (23.6 J cm(-2) fluence) or 532 nm (25.9 J cm(-2) fluence), and pulse duration of 40 ps, with a titanium-based medical implant Ti6A14V alloy was studied. Surface at laser wavelengths 1064 nm and 532 rim, damage thresholds were estimated to be 0.9 J cm(-2) and 0.25 J cm(-2) respectively. At both laser wavelengths, the energy absorbed was mostly converted into thermal energy, forming craters, albeit about 50 times deeper at 1064 run than at 532 run. Periodic surface structures (PSS) were also formed with both laser wavelengths, concentric, and radial at micrometer scale (3 mu m to 15 mu m period), parallel at nanometer scale (800 nm period with the 1064 nm laser, 400 nm with The 532 nm laser). In the case of the 532 nm laser, the concentric Structures enlarge their period with accumulating laser pulse count. These features can help roughening of the implant surface and improve bio-compatibility. T2 - Laser and Particle Beams T1 - Surface modifications of Ti6A14V by a picosecond Nd:YAG laser VL - 27 IS - 1 SP - 85 EP - 90 DO - 10.1017/S0263034609000123 ER -
@article{ author = "Trtica, Milan and Radak, Bojan and Gaković, Biljana M. and Milovanović, Dubravka S. and Batani, Dimitri and Desai, T.", year = "2009", abstract = "Interaction of a Nd:YAG laser, operating at wavelengths of 1064 nm (23.6 J cm(-2) fluence) or 532 nm (25.9 J cm(-2) fluence), and pulse duration of 40 ps, with a titanium-based medical implant Ti6A14V alloy was studied. Surface at laser wavelengths 1064 nm and 532 rim, damage thresholds were estimated to be 0.9 J cm(-2) and 0.25 J cm(-2) respectively. At both laser wavelengths, the energy absorbed was mostly converted into thermal energy, forming craters, albeit about 50 times deeper at 1064 run than at 532 run. Periodic surface structures (PSS) were also formed with both laser wavelengths, concentric, and radial at micrometer scale (3 mu m to 15 mu m period), parallel at nanometer scale (800 nm period with the 1064 nm laser, 400 nm with The 532 nm laser). In the case of the 532 nm laser, the concentric Structures enlarge their period with accumulating laser pulse count. These features can help roughening of the implant surface and improve bio-compatibility.", journal = "Laser and Particle Beams", title = "Surface modifications of Ti6A14V by a picosecond Nd:YAG laser", volume = "27", number = "1", pages = "85-90", doi = "10.1017/S0263034609000123" }
Trtica, M., Radak, B., Gaković, B. M., Milovanović, D. S., Batani, D.,& Desai, T.. (2009). Surface modifications of Ti6A14V by a picosecond Nd:YAG laser. in Laser and Particle Beams, 27(1), 85-90. https://doi.org/10.1017/S0263034609000123
Trtica M, Radak B, Gaković BM, Milovanović DS, Batani D, Desai T. Surface modifications of Ti6A14V by a picosecond Nd:YAG laser. in Laser and Particle Beams. 2009;27(1):85-90. doi:10.1017/S0263034609000123 .
Trtica, Milan, Radak, Bojan, Gaković, Biljana M., Milovanović, Dubravka S., Batani, Dimitri, Desai, T., "Surface modifications of Ti6A14V by a picosecond Nd:YAG laser" in Laser and Particle Beams, 27, no. 1 (2009):85-90, https://doi.org/10.1017/S0263034609000123 . .