State of the art in the use of bioceramics to elaborate 3D structures using robocasting

Juliana Kelmy Macário Barboza Daguano, Claudinei Santos, Manuel Fellipe Rodrigues Pais Alves, Jorge Vicente Lopes da Silva, Marina Trevelin Souza, Maria Helena Figueira Vaz Fernandes

Abstract


Robocasting, também conhecido como Direct Ink Writing, é uma técnica de fabricação aditiva (AM), que inclui extração direta de sistemas coloidais, que consiste na exposição de camadas e um controlador controlado por computador de uma mídia altamente concentrada nesta extrusão. Este artigo apresenta uma visão geral das contribuições e desafios no desenvolvimento de biomateriais cerâmicos tridimensionais (3D) por esse método de impressão. O estado da arte em diferentes biocerâmicas como alumina, zircônia, fosfato de vidro, vidro / vitrocerâmica e compostos é avaliado e discutido em relação a suas aplicações e comportamento biológico, em uma pesquisa que produziu desde uma produção de próteses dentárias personalizadas a biofabricantes 3D humanos tecidos.Embora o robocasting represente uma interrupção na fabricação de estruturas porosas, como os andaimes para a Engenharia de Tecidos (TE), muitas vantagens ainda são necessárias, mas ainda são divulgadas, essa técnica já está usando a utilização de peças densas. Assim, são necessárias estratégias para a fabricação de biocerâmica densificada, com o objetivo de ampliar as possibilidades dessa técnica de AM. As vantagens e desvantagens e também perspectivas futuras da aplicação do robocasting no processamento biocerâmico também são exploradas.


Keywords


Additive Manufacturing (AM); Direct Ink Writing (DIW); Robocasting; Bioceramics; Challenges; Perspectives.

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References


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DOI: https://doi.org/10.25061/2595-3931/IJAMB/2019.v2i1.28

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