Zr-alloys are occasionally overlooked as candidate materials for orthopaedic implants, despite having elastic modulus and magnetic susceptibility lower than Ti-alloys. In this study, the processability, mechanical properties, and biocompatibility of laser powder bed fusion (LPBF) Zr-702 builds were investigated. Builds with 99.9% density were obtained following process optimisation. The builds demonstrated high tensile properties in both the vertical and horizontal orientations, which exceeded the strength of CP Ti and wrought Zr-702. Live/dead assay was used to assess the biocompatibility of the builds, which confirmed the viability of seeded MC3T3 osteoblast precursor cells on to fabricated surfaces up to 7 days of culture.
Laser powder bed fusion of a Zr-alloy: Tensile properties and biocompatibility / Aristizabal, M.; Jamshidi, P.; Saboori, A.; Cox, S. C.; Attallah, M. M.. - In: MATERIALS LETTERS. - ISSN 0167-577X. - ELETTRONICO. - 259:(2020), p. 126897. [10.1016/j.matlet.2019.126897]
Laser powder bed fusion of a Zr-alloy: Tensile properties and biocompatibility
Saboori, A.;
2020
Abstract
Zr-alloys are occasionally overlooked as candidate materials for orthopaedic implants, despite having elastic modulus and magnetic susceptibility lower than Ti-alloys. In this study, the processability, mechanical properties, and biocompatibility of laser powder bed fusion (LPBF) Zr-702 builds were investigated. Builds with 99.9% density were obtained following process optimisation. The builds demonstrated high tensile properties in both the vertical and horizontal orientations, which exceeded the strength of CP Ti and wrought Zr-702. Live/dead assay was used to assess the biocompatibility of the builds, which confirmed the viability of seeded MC3T3 osteoblast precursor cells on to fabricated surfaces up to 7 days of culture.Pubblicazioni consigliate
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https://hdl.handle.net/11583/2765992
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