X-ray computed tomography of multiple-layered scaffolds with controlled gradient cell lattice structures fabricated via additive manufacturing

Abstract

In this paper we report on the characterization by X-ray computed tomography of calcium phosphate (CaP) and polycaprolactone (PCL) coatings on Ti-6Al-4V alloy scaffolds used as a material for medical implants. The cylindrical scaffold has greater porosity of the inner part than the external part, thus, mimicking trabecular and cortical bone, respectively. The prismatic scaffolds have uniform porosity. Surface of the scaffolds was modified with calcium phosphate (CaP) and polycaprolactone (PCL) by dip-coating to improve biocompatibility and mechanical properties. Computed tomography performed with X-ray and synchrotron radiation revealed the defects of structure and morphology of CaP and PCL coatings showing small platelet-like and spider-web-like structures, respectively.

Original language	English
Article number	012044
Journal	Journal of Physics: Conference Series
Volume	1145
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1145/1/012044
Publication status	Published - 9 Jan 2019
Event	15th International Conference of Students and Young Scientists on Prospects of Fundamental Sciences Development, PFSD 2018 - Tomsk, Russian Federation Duration: 24 Apr 2018 → 27 Apr 2018

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/1145/1/012044

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X-ray computed tomography of multiple-layered scaffolds with controlled gradient cell lattice structures fabricated via additive manufacturing. / Khrapov, D.; Surmeneva, M.; Koptioug, A.; Evsevleev, S.; Lé Onard, F.; Bruno, G.; Surmenev, R.

In: Journal of Physics: Conference Series, Vol. 1145, No. 1, 012044, 09.01.2019.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "In this paper we report on the characterization by X-ray computed tomography of calcium phosphate (CaP) and polycaprolactone (PCL) coatings on Ti-6Al-4V alloy scaffolds used as a material for medical implants. The cylindrical scaffold has greater porosity of the inner part than the external part, thus, mimicking trabecular and cortical bone, respectively. The prismatic scaffolds have uniform porosity. Surface of the scaffolds was modified with calcium phosphate (CaP) and polycaprolactone (PCL) by dip-coating to improve biocompatibility and mechanical properties. Computed tomography performed with X-ray and synchrotron radiation revealed the defects of structure and morphology of CaP and PCL coatings showing small platelet-like and spider-web-like structures, respectively.",

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AU - Lé Onard, F.

AU - Bruno, G.

AU - Surmenev, R.

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