Cold sintering of complex-shaped ceramic materials
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For the first time, dense ceramics with complex shapes have been obtained through the cold sintering process, opening new avenues in advanced materials manufacturing.
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This innovative approach makes it possible to obtain ceramic materials with intricate shapes and homogeneous microstructures, significantly reducing energy consumption in their production.
Madrid / September 17, 2024
Scientists from the Institute of Ceramics and Glass and the Institute of Optics of the CSIC in collaboration with researchers from the universities of Trento and Padua in Italy have published an innovative study in which the cold sintering of ceramic materials with complex shapes is achieved. This work, a pioneer in its field, demonstrates for the first time the feasibility of producing dense and homogeneous ceramics using this low-energy method, opening up new possibilities in the manufacture of ceramic components with potential applications in various industries.
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However, until now, cold sintering had been limited to the production of small, simple samples, mainly in the form of discs. The manufacturing of more complex shapes using this method represented a significant challenge due to the difficulty of applying pressure uniformly throughout the sample.
This study addresses that challenge, proposing an innovative approach that achieves cold sintering with the use of removable molds, thus opening new paths in the manufacturing of complex ceramic structures with applications in sectors ranging from biomedicine to construction.
Following this work, the research team has set out to optimise the present cold sintering process to reduce and control the distortions found caused by uniaxial pressing.
Article: Sonia Marín-Cortés, Mattia Biesuz, Subhadip Bhandari, Giorgia Franchin, Esther Enríquez, José F. Fernández and Vincenzo M. Sglavo. “Cold sintering of complex-shaped ceramic materials”. Journal of the European Ceramic SocietyVolume 44, Issue 16. August 2024
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