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Effect of 3D printer enabled surface morphology and composition on coral growth in artificial reefs
Matus, I.V.; Lino Alves, J.; Góis, J.; Barata da Rocha, A.; Neto, R.; Da Silva Mota, C. (2021). Effect of 3D printer enabled surface morphology and composition on coral growth in artificial reefs. Rapid Prototyping Journal 27(4): 692-706. https://dx.doi.org/10.1108/rpj-07-2020-0165
In: Rapid Prototyping Journal: Bingley. ISSN 1355-2546; e-ISSN 1758-7670
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| Trefwoord |
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| Author keywords |
Design; Additive manufacturing; Artificial reef; Coral propagation; Limestone substrates; Portland cement mortar |
| Auteurs | | Top |
- Matus, I.V.
- Lino Alves, J.
- Góis, J.
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- Barata da Rocha, A.
- Neto, R.
- Da Silva Mota, C.
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| Abstract |
PurposeThe purpose of this paper is to prove and qualify the influence of textured surface substrates morphology and chemical composition on the growth and propagation of transplanted corals. Use additive manufacturing and silicone moulds for converting three-dimensional samples into limestone mortar with white Portland cement substrates for coral growth.Design/methodology/approachTiles samples were designed and printed with different geometries and textures inspired by nature marine environment. Commercial coral frag tiles were analysed through scanning electron microscopy (SEM) to identify the main chemical elements. Raw materials and coral species were selected. New base substrates were manufactured and deployed into a closed-circuit aquarium to monitor the coral weekly evolution process and analyse the results obtained.FindingsExperimental results provided positive statistical parameters for future implementation tests, concluding that the intensity of textured surface, interfered favourably in the coralline algae biofilm growth. The chemical composition and design of the substrates were determinant factors for successful coral propagation. Recesses and cavities mimic the natural rocks aspect and promoted the presence and interaction of other species that favour the richness of the ecosystem.Originality/valueAdditive manufacturing provided an innovative method of production for ecology restoration areas, allowing rapid prototyping of substrates with high complexity morphologies, a critical and fundamental attribute to guarantee coral growth and Crustose Coralline Algae. The result of this study showed the feasibility of this approach using three-dimensional printing technologies. |
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