NDLI: Laser-induced features at titanium implant surface in vacuum ambience

Content Provider	Springer Nature Link
Author	Cigavic, Jovan Zivkovic, Sanja Momcilovic, Milos Savovic, Jelena Kuzmavic, Miroslav Stoiljkovic, Milovan Trtica, Milan
Copyright Year	2016
Abstract	Interaction of a TEA $$\hbox {CO}_{2}$$ laser with a titanium implant in vacuum (air pressure 0.1 mbar) was studied. The laser operates at $$10.6\,μ \hbox {m}$$ with pulse duration of 100 ns (FWHM). The surface alternations were studied at the moderate laser beam energy density/fluence of $$52\,\hbox {J/cm}^{2}$$ . The energy absorbed from the TEA $$\hbox {CO}_{2}$$ laser beam was partially converted to thermal energy, which generated a series of effects such as melting, vaporization of the molten material, shock waves, etc. The following titanium implant surface changes and phenomena were observed: (1) creation of superficial damage which takes crater-shaped form at a higher number of accumulated laser pulses. Maximal depth of the damage was $$9\,μ \hbox {m}$$ for 500 laser pulses. The damage cross-section had a conical form; (2) melt pools, inside the damage region, especially prominent for higher number of accumulated pulses; (3) preservation of chemical surface composition in central, and changes at the peripheral region, and (4) occurrence of plasma in front of the implant. The results have shown that under the applied experimental conditions, TEA $$\hbox {CO}_{2}$$ laser can effectively be applied for enhancing the titanium implant roughness and creation of surface chemical changes. The appearance of plasma in front of the implant offers a sterilizing effect, facilitating contaminant-free conditions.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISSN	03068919
Journal	Optical and Quantum Electronics
Volume Number	48
Issue Number	2
e-ISSN	1572817X
Language	English
Publisher	Springer US
Publisher Date	2016-01-22
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanosecond TEA $$\hbox {CO}_{2}$$ laser Titanium implant surface Laser induced surface modification LIBS Optics, Optoelectronics, Plasmonics and Optical Devices Electrical Engineering Characterization and Evaluation of Materials Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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