The effect of scragging strain on the dynamic mechanical properties of filled rubber

Kingston J., . The effect of scragging strain on the dynamic mechanical properties of filled rubber. pp. 1-12. ISSN 1511-1768

A series of tests have been carried out on two example filled natural rubber (NR) and styrene-butadiene rubber (SBR) compounds in which the rubbers were scragged to a series of increasing shear strains and the effect of this on the dynamic properties at the lower strains were measured. After a long period the tests were repeated to measure the recovery in the materials. It was found that increasing the scragging strain caused the rubber stiffness at lower strains to fall continuously with no sign that it would reach a constant value and that while there was some recovery over time it is not thought that the rubber would ever recover its initial stiffness.

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Abstract

A series of tests have been carried out on two example filled natural rubber (NR) and styrene-butadiene rubber (SBR) compounds in which the rubbers were scragged to a series of increasing shear strains and the effect of this on the dynamic properties at the lower strains were measured. After a long period the tests were repeated to measure the recovery in the materials. It was found that increasing the scragging strain caused the rubber stiffness at lower strains to fall continuously with no sign that it would reach a constant value and that while there was some recovery over time it is not thought that the rubber would ever recover its initial stiffness.

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Item Type:	Article
AGROVOC Term:	Mechanical properties
AGROVOC Term:	Shears
AGROVOC Term:	Testing
AGROVOC Term:	Natural rubber
AGROVOC Term:	Rubber industry
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 06:28
URI:	http://webagris.upm.edu.my/id/eprint/23059

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