Adhesion Effect Model of a Single Biomimetic Fiber Based on JKR Contact Theory

Abstract:

Fibrillar structure adhesives can adhere strongly to surfaces as a gecko does. The adhesion and detachment of each fiber has significant effects on the adhesion enhancement. In the present study, we report the adhesion effect of a single fiber. Based on the JKR (Johnson-Kendall-Roberts) theory, nonlinear mechanical models are built to formulate the process of adhesion and detachment between a fiber and substrate. Comparisons of the experimental and simulative results reveal consistent process trend of adhesion and detachment, which suggests the potential applicability of the present model.

• Periodical: Applied Mechanics and Materials (Volumes 217-219)
• Pages: 594-598
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.217-219.594
• Online since: November 2012
• Authors: Hui Jing Wang, Rui Ying He, Jun Yao Liu
• Keywords: Adhesion Effect, Experimental Evidence, Fibrillar Structure, JKR (Johnson-Kendall-Roberts) Contact Theory

References

[1] Autumn K, Gravish N. Gecko adhesion: evolutionary nanotechnology [J]. Phil. Trans. R. Soc. A. 366: 1575-1590. (2008)

DOI: 10.1098/rsta.2007.2173

[2] Autumn K. Properties: principles, and parameters of the gecko adhesive system [J]. Biological Adhesives. 225-256. (2006)

DOI: 10.1007/978-3-540-31049-5_12

[3] Autumn K, Hsieh S T, Dudek D M, et al: Dynamics of geckos running vertically. American Zoologist. 38(5): 84. (1999)

[4] Johnson K L, Greenwood J A: An adhesion map for contact of elastic spheres. Journal of Colloid and Interface Science.,192: 326-333. (1997)

DOI: 10.1006/jcis.1997.4984

[5] Autumn K, Liang Y A, Hsieh S T, et al: Adhesive force of a single gecko foot-hair. Nature. 405: 681-685. (2000)

DOI: 10.1038/35015073

[6] Shah G, Iee I: Finite element analysis of gecko foot hairs for dry adhesive design and fabrication. www.andrew.cmu.edu/user/gshah/.

[7] Autumn K, Hsieh S T, Dudek D M, et al: Dynamics of geckos running vertically. American Zoologist. 38(5): 84. (1999)

[8] Autumn, K., Sitti, M., Liang, Y.C., et al: Evidence for van der Walls adhesion in gecko setae. Proc.Natl Acad. Sci. USA 99, 12252–12256 (2002)

DOI: 10.1073/pnas.192252799

[9] Gao, H., Wang, X., Yao, H., Gorb, S., Arzt, E.: Mechanics of hierarchical adhesion structures of gecko. Mech. Mater. 37, 275–285 (2005)

DOI: 10.1016/j.mechmat.2004.03.008

[10] Particle adhesion and detachment models. www.clarkson.edu/fluidflow/courses/me537.

[11] Zhengzhi Wang, Yun Xu and Ping Gu: Adhesive behaviour of gecko-inspired nanofibrillar arrays: combination of experiments and finite element modelling. J. Phys. D: Appl. Phys. 45 (2012)

DOI: 10.1088/0022-3727/45/14/142001

[12] Shaohua Chen,Guang Xu and Aikah Soh: Size-Dependent Adhesion Strength of a Single Viscoelastic Fiber. Tribol Lett 37:375–379 (2010)

DOI: 10.1007/s11249-009-9532-5