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Mechanical Properties and Wear Susceptibility Determined by Nanoindentation Technique of Ti13Nb13Zr Titanium Alloy after “Direct Laser Writing”
Abstract
Laser treatment has often been applied to rebuild the surface layer of titanium and its alloys destined for long-term implants. Such treatment has always been associated with forming melted and re-solidified thin surface layers. The process parameters of such laser treatment can be different, including the patterning of a surface by so-called direct writing. In this research, pulse laser treatment was performed on the Ti13Nb13Zr alloy surface, with the distance between adjacent laser paths ranging between 20 and 50 µm. The obtained periodic structures were tested to examine the effects of the scan distance on the microstructure using SEM, the roughness and chemical and phase composition using EDS and XRD, and the mechanical properties using the nanoindentation technique. After direct laser writing, the thickness of the melted layers was between 547 and 123 µm, and the surface roughness varied between 1.74 and 0.69 µm. An increase in hardness was observed after laser treatment. The highest hardness, 5.44 GPa, was obtained for the sample modified with a laser beam spacing of 50 µm. The value of the distance has been shown to be important for several properties and related to a complex microstructure of the thin surface layer close to and far from the laser path.
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Authors (7)
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Roman Ostrowski
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Jean-marc Olive Dr hab.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma16134834
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Materials
no. 16,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Jażdżewska M., Majkowska-Marzec B., Zieliński A., Ostrowski R., Frączek A., Karwowska G., Olive J.: Mechanical Properties and Wear Susceptibility Determined by Nanoindentation Technique of Ti13Nb13Zr Titanium Alloy after “Direct Laser Writing”// Materials -,iss. 13 (2023), s.4834-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma16134834
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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