Influence of initial flaws on the mechanical properties of nacre

Journal of the Mechanical Behavior of Biomedical Materials
S Anup

Abstract

Nacre is a bio-composite made up of hard mineral and soft protein, and has excellent mechanical properties. This paper examines the effect of naturally occurring defects (initial flaws) in nacre on its mechanical properties such as toughness and strength. A random fuse model is developed incorporating initial flaws. Numerical simulations show that initial flaws affect different mechanical properties at different rates. The variation in the experimentally obtained mechanical properties of nacre reported in the literature is shown to be due to initial flaws. The stress in the mineral and protein increases due to initial flaws, but by different amounts. The results obtained in this study are useful for gaining insight into the failure of nacre and development of nacre-inspired composites.

References

May 1, 1988·Physical Review. B, Condensed Matter·B KahngH J Herrmann
Oct 3, 2001·Physical Review Letters·B SkjetneA Hansen
May 7, 2003·Proceedings of the National Academy of Sciences of the United States of America·Huajian GaoPeter Fratzl
Jun 17, 2005·Biomaterials·Phani K V V Nukala, Srdan Simunovic
Dec 31, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Phani Kumar V V Nukala, Srdan Simunović
Apr 23, 2013·Scientific Reports·Zaiwang Huang, Xiaodong Li

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Citations

Nov 10, 2017·Bioinspiration & Biomimetics·Sanjay Tapse, S Anup

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