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KMID : 1144120200100040481
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Biomedical Engineering Letters
2020 Volume.10 No. 4 p.481 ~ p.492
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Recent additive manufacturing methods categorized by characteristics of ceramic slurries for producing dual-scale porous ceramics
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Maeng Woo-Youl
Lee Hyun
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Abstract
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Porous ceramics have been utilized in various fields due to their advantages derived from characteristics of ceramics and porous structure and they were produced by versatile fabricating methods. However, the adoption of differently scaled pores in the porous ceramics by conventional pore forming strategies which results in dual-scale porosity has been studied to combine the specific functional abilities of each scaled pore. Those proposed strategies were supplemented to the recent additive manufacturing methods for constructing complicated structure with precisely controlled fabricating conditions. In this review, we provide the researches creating dual-scale porous ceramics with additive manufacturing which utilized the ceramic slurries containing homogeneous solution of photocurable monomers and terpenes. Introduction of the basic way to prepare photocurable monomer and terpene incorporated ceramic slurries which are suitable for specific printing mechanism was firstly discussed. And based on the characteristics of slurries, lithography-based and extrusion-based method are discussed with the experimental results. Subsequently, the remaining challenges of the techniques are further discussed with suggesting potentially capable approaches to overcome the limitations.
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KEYWORD
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Dual-scale porous ceramics, Additive manufacturing, Slurry characteristics, Lithography, Extrusion
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