The 9th International Conference on Multiscale Materials Modeling

講演情報

Poster Session

F. From Microstructure to Properties: Mechanisms, Microstructure, Manufacturing

[PO-F1] Poster Session 1

Symposium F

2018年10月29日(月) 17:45 〜 20:00 Poster Hall

[P1-46] Microstructures of turtle shell and biomimetic fabrication

Bin Chen1, Jinghong Fan2, Wei Ye1, Miao Li1 (1.College of Aerospace Engineering, Chongqing University, China, 2.Division of Mechanical Engineering, Alfred University, United States of America)

Scanning electron microscope (SEM) observation shows that the shell of red-ear turtle is a kind of natural sandwich composite consisting of exterior cortex and interior cancellus. It is also observed that the hydroxyapatite fibers in the composite continuously surround the holes of the composite forming a particular fiber-surrounded-hole structure. Based on the result of the observation, a biomimetic composite with the fiber-surrounded-hole structure is fabricated. The ultimate strength of the biomimetic composite is tested and compared with that of the conventional composite with the non-fiber-surrounded-hole structure. It is indicated that the ultimate strength of the biomimetic composite is remarkably larger than that of the conventional composite.