期刊
MATERIALS LETTERS
卷 259, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2019.126897
关键词
Zr-alloys; Laser powder bed fusion; Tensile properties; Biocompatibility
资金
- Engineering and Physical Sciences Research Council [EP/L020815/1]
- EPSRC [EP/L020815/1] Funding Source: UKRI
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. (C) 2019 Elsevier B.V. All rights reserved.
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