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24 April 2020 Enhanced impact resistance of 3D printed nacre-like composites (Conference Presentation)
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Abstract
We develop bimaterial composites with enhanced impact resistance by mimicking a unique hierarchical geometry inherent in nacre. Three-dimensional models of the nacre-like composites are developed using pattern-generating algorithms, and the corresponding experiment specimens are fabricated by means of an FDM-based 3D printer. Under drop weight impact tests, it is found that the impact resistance of the nacre-like composite is significantly improved compared with a monolithic stiff specimen. The performance enhancement is also verified through numerical simulation with the use of a commercial finite element code. Mimicking the natural hierarchical architecture can render a guideline toward the development of high-performance material systems.
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© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kwonhwan Ko, Suyeong Jin, Sang Eon Lee, and Jung-Wuk Hong "Enhanced impact resistance of 3D printed nacre-like composites (Conference Presentation)", Proc. SPIE 11374, Bioinspiration, Biomimetics, and Bioreplication X, 113740Q (24 April 2020); https://doi.org/10.1117/12.2557194
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