Model for Calculating the Compressive Deformability of Double‐Layered Curdlan Gels

A. Nussinovitch, S. J. Lee, G. Kaletunc, M. Peleg*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations

Abstract

The compressive force‐deformation relationships of double‐layered curdlan gels (made of 2.5% and 3.5% gels) were calculated from those of the components. On the basis of the assumptions that the normal force in the layers is the same, that their deformations are additive, and that the effects of lateral stresses and viscoelasticity can be neglected, the calculation was done by using a mathematical model the constants of which were determined from the behavior of the individual layers. The calculated relationships were in agreement with experimental relationships over a considerable range of strain. Failure of the arrays, however, preceded that of the layers and was accompanied by their separation, a phenomenon that is unrelated to the model but limits the strain range of its applicability.

Original languageEnglish
Pages (from-to)272-274
Number of pages3
JournalBiotechnology Progress
Volume7
Issue number3
DOIs
StatePublished - 1991
Externally publishedYes

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