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. 2022 Oct 7;13(4):178. doi: 10.3390/jfb13040178

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Variation of the (a) indentation hardness, (b) storage modulus, (c) loss modulus and (d) loss factor as a function of material and aging conditions exemplified for a frequency of 1.4 Hz (mean values with 95% confidence interval).

Variation of the (a) indentation hardness, (b) storage modulus, (c) loss modulus and (d) loss factor as a function of material and aging conditions exemplified for a frequency of 1.4 Hz (mean values with 95% confidence interval).