Poroelastic relaxation indentation of thin layers of gels
作者： Yuhang Hu , Edwin P. Chan , Joost J. Vlassak , Zhigang Suo
DOI: 10.1063/1.3647758
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摘要: We develop a method of poroelastic relaxation indentation (PRI) to characterize thin layers gels. The solution the time-dependent boundary-value problem is obtained in remarkably simple form, so that force-relaxation curve by indenting gel readily determines all constants gel—the shear modulus, Poisson’s ratio, and effective diffusivity. demonstrated with layer polydimethylsiloxane immersed heptane.
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