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Article Dans Une Revue Cement and Concrete Research Année : 2022

Material-process interactions in particle bed 3D printing and the underlying physics

Résumé

This paper focuses on material-process interactions in particle bed binding. After a classification of particle bed binding techniques currently available for cement-based materials, the most important material-process interactions and their underlying physics are discussed in detail for the selective cement activation (SCA) and the selective paste intrusion technique (SPI). Here, we consider the sub-processes layer application, layer compaction, fluid application, fluid penetration and after printing treatment. We show that, by varying the material and process parameters in these sub-processes, the printing process and the resulting material properties of the printed component, such as compressive strength, durability and dimensional accuracy, can be specifically controlled. Furthermore, we illustrate how these sub-processes can be both understood and described on the basis of the underlying mechanisms and physically based material models.
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Dates et versions

hal-04211039 , version 1 (19-09-2023)

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Dirk Lowke, Inka Mai, Emmanuel Keita, Arnaud Perrot, Daniel Weger, et al.. Material-process interactions in particle bed 3D printing and the underlying physics. Cement and Concrete Research, 2022, 156, pp.106748. ⟨10.1016/j.cemconres.2022.106748⟩. ⟨hal-04211039⟩
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