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Swelling Effects In Dynamic Equi-Biaxial Testing Of Epdm Elastomers By The Bubble Inflation Method, John Hanley
Swelling Effects In Dynamic Equi-Biaxial Testing Of Epdm Elastomers By The Bubble Inflation Method, John Hanley
Doctoral
The thesis describes the effect of oil swelling on the fatigue life of EPDM under conditions of multi-axial fatigue using bubble inflation. The motivation for the research is outlines, along with a review of previous research conducted on the topic. Initial test results are presented and the evolution of the procedure for the final set of tests is described. One principal requirement identified when carrying out the fatigue tests was the need for constant stress control. Following development of the final test procedure, specimens were subjected to varying degrees of swelling in reference oils and cycled at constant engineering stress …