Using indentation to characterize the poroelasticity of gels

Yuhang Hu; Xuanhe Zhao; Joost J. Vlassak; Zhigang Suo

doi:10.1063/1.3370354

Using indentation to characterize the poroelasticity of gels

Yuhang Hu
, Xuanhe Zhao
, Joost J. Vlassak
, Zhigang Suo

Harvard University

科研成果: 期刊稿件 › 文章 › 同行评审

290 引用（Scopus）

摘要

When an indenter is pressed into a gel to a fixed depth, the solvent in the gel migrates, and the force on the indenter relaxes. Within the theory of poroelasticity, the force relaxation curves for indenters of several types are obtained in a simple form, enabling indentation to be used with ease as a method for determining the elastic constants and permeability of the gel. The method is demonstrated with a conical indenter on an alginate hydrogel.

源语言	英语
文章编号	121904
期刊	Applied Physics Letters
卷	96
期	12
DOI	https://doi.org/10.1063/1.3370354
出版状态	已出版 - 2010
已对外发布	是

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Using indentation to characterize the poroelasticity of gels

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