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The Effect Of Oil Swelling On The Fatigue Life Of Elastomers Subjected To Cyclic Bubble Inflation, Niall Murphy, John Hanley, Stephen Jerrams, Ali Hassan
The Effect Of Oil Swelling On The Fatigue Life Of Elastomers Subjected To Cyclic Bubble Inflation, Niall Murphy, John Hanley, Stephen Jerrams, Ali Hassan
Conference Papers
This paper describes the behaviour of rubber in multi-axial fatigue, with respect to oil resistance. A series of tests were carried out on EPDM specimens subjected to varying degrees of swelling. The control methodology and the loading mechanism employed in the testing of elastomers using dynamic multi-axial bubble inflation are outlined. Swollen specimens were prepared by immersing them in reference mineral oil. Specimens were cycled to failure and the results were analysed. The number of cycles to failure for a given engineering stress amplitude was plotted for both dry (unswollen) and swollen specimens. Fracture surfaces for each set of specimens …