| id |
ecaade2021_059 |
| authors |
Lim, Ariel Cheng Sin and Thomsen, Mette Ramsgaard |
| year |
2021 |
| title |
Multi-Material Fabrication for Biodegradable Structures - Enabling the printing of porous mycelium composite structures |
| doi |
https://doi.org/10.52842/conf.ecaade.2021.1.085
|
| source |
Stojakovic, V and Tepavcevic, B (eds.), Towards a new, configurable architecture - Proceedings of the 39th eCAADe Conference - Volume 1, University of Novi Sad, Novi Sad, Serbia, 8-10 September 2021, pp. 85-94 |
| summary |
Our awareness of the earth's depleting resources has directed focus towards biomaterials, which can be extracted sustainably and biodegraded after use. Current fabrication of biomaterial structures is still restricted in strength and geometry, limiting its use in construction. This paper presents a novel two-phase multi-material fabrication process to create mycelium composite structures of higher porosity and complexity with speculated improvements in strength. First, cellulose pulp inoculated with mycelium is extruded. Then, each layer is filled by a secondary supporting material. This material, in the form of a gravel- and sand-slurry, acts as an inhospitable medium steering mycelial growth, additionally improving aeration to produce stronger structures. After an intermediate growth period, the secondary material, reusable in a closed-loop production model, is removed to reveal the fully-grown mycelium structure. The paper reports on each of the three aspects: the fabrication process, material experimentation of primary and secondary substrates, as well as geometry of varying porosity and performance. |
| keywords |
biomaterials; mycelium; biodegradable structures; robotic fabrication; additive manufacturing |
| series |
eCAADe |
| email |
|
| full text |
 file.pdf (17,118,024 bytes) |
| references |
Content-type: text/plain
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| last changed |
2022/06/07 07:59 |
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