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Fatigue Life Prediction of Magnetorheological Elastomers Subjected to Dynamic Equi-Biaxial Cyclic
| Content Provider | Semantic Scholar |
|---|---|
| Author | Zhou, Yanfen Jerrams, Stephen Betts, Anthony Chen, Lin |
| Copyright Year | 2017 |
| Abstract | Prediction of fatigue life is of great significance in ensuring that dynamically loaded rubber components exhibit safety and reliability in service. In this text, the dynamic equi-biaxial fatigue behaviour of magnetorheological elastomer (MREs) using a bubble inflation method is described. Wöhler (S-N) curves for both isotropic and anisotropic MREs were produced by subjecting the compounds to cycling over a range of stress amplitudes (σa) between 0.75 MPa and 1.4 MPa. Changes in physical properties, including variation in stress-strain relations and complex modulus (E*) during the fatigue process were analysed. It was found that the complex modulus of MRE samples decreased throughout the entire fatigue test and failure took place at a limiting value of approximately 1.228 MPa ± 4.38% for isotropic MREs and 1.295 ± 10.33% for anisotropic MREs. It was also determined that a dynamic stored energy criterion can be used as a plausible predictor in determining the fatigue life of MREs. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://arrow.dit.ie/cgi/viewcontent.cgi?article=1049&context=scschcpsart |
| Alternate Webpage(s) | https://arrow.dit.ie/cgi/viewcontent.cgi?article=1013&context=cerart |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
