A new approach to manufacturing biocomposite sandwich structures is introduced. Materials used in the biocomposite are natural textile reinforcement, mycelium-bound agricultural waste as core, and bioresin. This paper focuses on three specific steps of the seven-step manufacturing process: filling pre-stamped textile shells with core mixture; allowing the core material to grow thereby binding reinforcement particles and textile skins into a unitized preform; and oven drying said preform to drive off moisture and inactivate the mycelium. Specific process details highlighted include design and thermoforming of growth trays, tray sterilization, filling trays with mycelium-inoculated substrates filling and allowing growth to occur, and finally conduction and convection drying/inactivation of the grown parts. To study the new material’s stiffness using different materials and under different processing conditions, specimen dimensions were based on ASTM D7250 and C393 standards. All dried samples were tested in flexure by three-point bending method to determine the stiffness and strength of the resin-less preforms and to identify optimal material combinations.
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ASME 2016 11th International Manufacturing Science and Engineering Conference
June 27–July 1, 2016
Blacksburg, Virginia, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4989-7
PROCEEDINGS PAPER
A New Approach to Manufacturing Biocomposite Sandwich Structures: Mycelium-Based Cores
Lai Jiang,
Lai Jiang
Rensselaer Polytechnic Institute, Troy, NY
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Daniel Walczyk,
Daniel Walczyk
Rensselaer Polytechnic Institute, Troy, NY
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Gavin McIntyre,
Gavin McIntyre
Ecovative Design, LLC, Green Island, NY
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Ronald Bucinell
Ronald Bucinell
Union College, Schenectady, NY
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Lai Jiang
Rensselaer Polytechnic Institute, Troy, NY
Daniel Walczyk
Rensselaer Polytechnic Institute, Troy, NY
Gavin McIntyre
Ecovative Design, LLC, Green Island, NY
Ronald Bucinell
Union College, Schenectady, NY
Paper No:
MSEC2016-8864, V001T02A025; 11 pages
Published Online:
September 27, 2016
Citation
Jiang, L, Walczyk, D, McIntyre, G, & Bucinell, R. "A New Approach to Manufacturing Biocomposite Sandwich Structures: Mycelium-Based Cores." Proceedings of the ASME 2016 11th International Manufacturing Science and Engineering Conference. Volume 1: Processing. Blacksburg, Virginia, USA. June 27–July 1, 2016. V001T02A025. ASME. https://doi.org/10.1115/MSEC2016-8864
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