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Measurement of Elastic Properties of Self-Oscillating Gel

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Abstract:

Self-oscillating gel is designed by copolymerizing the catalyst for the Belousov- Zhabotinsky (BZ) reaction with thermosensitive polymer. The cylindrical-shaped specimens of NIPAAm-co-(Ru(bpy)3 gel were prepared by copolymerizing (Ru(bpy)3) monomer as catalyst with NIPAAm as thermosensitive polymer. Tensile tests were performed with cross-head speed of 10 )m/s in pure water at 20°C. Stress-strain curves were plotted using tensile load measured by semiconductor gauge and strains calculated from observation of the gel. Fracture strain and Young’s modulus were obtained from these curves. Also Poisson’s ratio was estimated from the ratio of strains in longitudinal and radial directions.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1036-1039

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1036

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Online since:

October 2006

Authors:

Reiko Aoki, Manabu Enoki, Ryo Yoshida

Keywords:

Poisson's Ratio, Self-Oscillating Gel, Young's Modulus

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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