Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion

Additive manufacturing (AM) of regenerated biomaterials is in its infancy despite the urgent need for alternatives to fuel-based products and in spite of the exceptional mechanical properties, availability, and biodegradability associated with water-based natural polymers. This study presents water-...

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Main Authors: Mogas-Soldevila, Laia, Duro-Royo, Jorge, Oxman, Neri
Other Authors: Program in Media Arts and Sciences (Massachusetts Institute of Technology)
Format: Article
Language:en_US
Published: Mary Ann Liebert, Inc. 2017
Online Access:http://hdl.handle.net/1721.1/107750
https://orcid.org/0000-0001-6296-2617
https://orcid.org/0000-0002-9249-6095
https://orcid.org/0000-0001-9222-4447
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author Mogas-Soldevila, Laia
Duro-Royo, Jorge
Oxman, Neri
author2 Program in Media Arts and Sciences (Massachusetts Institute of Technology)
author_facet Program in Media Arts and Sciences (Massachusetts Institute of Technology)
Mogas-Soldevila, Laia
Duro-Royo, Jorge
Oxman, Neri
author_sort Mogas-Soldevila, Laia
collection MIT
description Additive manufacturing (AM) of regenerated biomaterials is in its infancy despite the urgent need for alternatives to fuel-based products and in spite of the exceptional mechanical properties, availability, and biodegradability associated with water-based natural polymers. This study presents water-based robotic fabrication as a design approach and enabling technology for AM of biodegradable hydrogel composites. Our research focuses on the combination of expanding the dimensions of the fabrication envelope, developing structural materials for additive deposition, incorporating material-property gradients, and manufacturing architectural-scale biodegradable systems. This work presents a robotically controlled AM system to produce biodegradable-composite objects combining natural hydrogels, such as chitosan and sodium alginate, with other organic aggregates. It demonstrates the approach by designing, building, and evaluating the mechanics and controls of a multichamber extrusion system. Finally, it provides evidence of large-scale composite objects fabricated by our technology that display graded properties and feature sizes ranging from micro- to macroscale. Fabricated objects may be chemically stabilized or dissolved in water and recycled within minutes. Applications include the fabrication of fully recyclable products or temporary architectural components such as tent structures with graded mechanical and optical properties. Proposed applications demonstrate environmental capabilities such as water-storing structures, hydration-induced shape forming, and product disintegration over time.
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spelling mit-1721.1/1077502022-09-28T14:30:21Z Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion Mogas-Soldevila, Laia Duro-Royo, Jorge Oxman, Neri Program in Media Arts and Sciences (Massachusetts Institute of Technology) Mogas-Soldevila, Laia Duro-Royo, Jorge Oxman, Neri Additive manufacturing (AM) of regenerated biomaterials is in its infancy despite the urgent need for alternatives to fuel-based products and in spite of the exceptional mechanical properties, availability, and biodegradability associated with water-based natural polymers. This study presents water-based robotic fabrication as a design approach and enabling technology for AM of biodegradable hydrogel composites. Our research focuses on the combination of expanding the dimensions of the fabrication envelope, developing structural materials for additive deposition, incorporating material-property gradients, and manufacturing architectural-scale biodegradable systems. This work presents a robotically controlled AM system to produce biodegradable-composite objects combining natural hydrogels, such as chitosan and sodium alginate, with other organic aggregates. It demonstrates the approach by designing, building, and evaluating the mechanics and controls of a multichamber extrusion system. Finally, it provides evidence of large-scale composite objects fabricated by our technology that display graded properties and feature sizes ranging from micro- to macroscale. Fabricated objects may be chemically stabilized or dissolved in water and recycled within minutes. Applications include the fabrication of fully recyclable products or temporary architectural components such as tent structures with graded mechanical and optical properties. Proposed applications demonstrate environmental capabilities such as water-storing structures, hydration-induced shape forming, and product disintegration over time. Massachusetts Institute of Technology. Media Laboratory (Mediated Matter research group) Massachusetts Institute of Technology. Department of Mechanical engineering (Additive Manufacturing (2.S998), Spring 2014) 2017-03-28T15:17:18Z 2017-03-28T15:17:18Z 2014-09 2014-09 Article http://purl.org/eprint/type/JournalArticle 2329-7662 2329-7670 http://hdl.handle.net/1721.1/107750 Mogas-Soldevila, Laia, Jorge Duro-Royo, and Neri Oxman. “Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion.” 3D Printing and Additive Manufacturing 1, no. 3 (September 2014) 141–151. © Mary Ann Liebert, Inc. https://orcid.org/0000-0001-6296-2617 https://orcid.org/0000-0002-9249-6095 https://orcid.org/0000-0001-9222-4447 en_US http://dx.doi.org/10.1089/3dp.2014.0014 3D Printing and Additive Manufacturing Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Mary Ann Liebert, Inc. Mary Ann Liebert
spellingShingle Mogas-Soldevila, Laia
Duro-Royo, Jorge
Oxman, Neri
Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title_full Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title_fullStr Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title_full_unstemmed Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title_short Water-Based Robotic Fabrication: Large-Scale Additive Manufacturing of Functionally Graded Hydrogel Composites via Multichamber Extrusion
title_sort water based robotic fabrication large scale additive manufacturing of functionally graded hydrogel composites via multichamber extrusion
url http://hdl.handle.net/1721.1/107750
https://orcid.org/0000-0001-6296-2617
https://orcid.org/0000-0002-9249-6095
https://orcid.org/0000-0001-9222-4447
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