Volume Changes Accompanying the Extension of Rubber
作者:
Robert W. Penn,
期刊:
Transactions of the Society of Rheology
(AIP Available online 1970)
卷期:
Volume 14,
issue 4
页码: 509-517
ISSN:0148-6055
年代: 1970
DOI:10.1122/1.549176
出版商: The Society of Rheology
数据来源: AIP
摘要:
The volume changes accompanying extension of peroxide vulcanizates of natural gum rubber were measured using a dilatometer technique. Measurements of the force‐extension behavior and compressibilities were made on the same samples for the range of extension and volume change covered in the volume experiments. A constant compressibility was found; however, the volume changes accompanying extension were not proportional to the isotropic part of the stress. Thus, the strain energy cannot be separated into a sum of two parts, one due to the shear and one due to the dilatation.
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