Archivio Istituzionale della RicercaThe influence of using bioactive glass as a sintering aid in the production of tricalcium phosphate (TCP) scaffolds was investigated. The scaffolds were fabricated by sponge replication followed by sintering in a range of temperatures from 1150 to 1300 °C. Morphological investigations by SEM and micro-computed tomography showed that the scaffolds exhibited a three-dimensional trabecular architecture mimicking that of cancellous bone, with high porosity (about 80 vol%) and highly-interconnected macropores with mean pore size of 314 μm. Apart from playing a role in improving the mechanical properties of the scaffolds, glass was shown to enhance the stability of β-TCP by increasing the β → α phase transition temperature.
Sintering effects of bioactive glass incorporation in tricalcium phosphate scaffolds / Baino, F.; Caddeo, S.; Vitale Brovarone, C.. - In: MATERIALS LETTERS. - ISSN 0167-577X. - ELETTRONICO. - 274:(2020), p. 128010. [10.1016/j.matlet.2020.128010]
Sintering effects of bioactive glass incorporation in tricalcium phosphate scaffolds
Baino F.;Caddeo S.;Vitale Brovarone C.
2020
Abstract
The influence of using bioactive glass as a sintering aid in the production of tricalcium phosphate (TCP) scaffolds was investigated. The scaffolds were fabricated by sponge replication followed by sintering in a range of temperatures from 1150 to 1300 °C. Morphological investigations by SEM and micro-computed tomography showed that the scaffolds exhibited a three-dimensional trabecular architecture mimicking that of cancellous bone, with high porosity (about 80 vol%) and highly-interconnected macropores with mean pore size of 314 μm. Apart from playing a role in improving the mechanical properties of the scaffolds, glass was shown to enhance the stability of β-TCP by increasing the β → α phase transition temperature.
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Accepted manuscript.pdf
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https://hdl.handle.net/11583/2837398