Analysis of the porosity degree during laser-assisted cladding of bioactive glass on titanium substrates with highly refined grain structure

Bajda, Szymon and Krzyzanowski, Michal and Cholewa-Kowalska, Katarzyna and Dziadek, Michal and Tokarski, Tomasz (2019) Analysis of the porosity degree during laser-assisted cladding of bioactive glass on titanium substrates with highly refined grain structure. In: ANNIC 2019 Applied Nanotechnology and Nanoscience International Conference, November 18 - 20, 2019, Paris, France.

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Abstract

Titanium alloys, due to their exceptional mechanical properties and biocompatibility, are commonly used to produce medical implants nowadays. However, the presence of such elements as aluminium and vanadium can be harmful to human health. One of the possible solutions could be replacing the titanium alloys with commercially pure titanium (cpTi) with highly refined grain structure. One of the most promising methods in manufacturing medical implants with improved biological fixation is laser cladding in which bioactive glass coatings
are imposed on metallic substrates. The aim of this work is to present a 3D numerical modelling of the above mentioned additive manufacturing process. The obtained model is able to predict the stress-strain and temperature distributions as well as porosity degree during the processing. Porosity affects the bioactivity of medical implants as it significantly improves their ability to bonding with host tissues.

Item Type: Conference or Workshop Item (Poster)
Date: 20 November 2019
Subjects: F200 Materials Science
J300 Ceramics and Glasses
J500 Materials Technology not otherwise specified
Divisions: Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Engineering and the Built Environment
Depositing User: Michal Krzyzanowski
Date Deposited: 24 Sep 2019 08:19
Last Modified: 02 Jul 2020 08:15
URI: http://www.open-access.bcu.ac.uk/id/eprint/8042

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