| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9638226 | Fusion Engineering and Design | 2005 | 4 Pages |
Abstract
The application of glass-fiber-reinforced plastics (GFRP's) as insulation materials for fusion magnet coils (e.g. of ITER) requires the full characterization of their mechanical performance under ITER relevant conditions. Tension-tension fatigue is a useful procedure to simulate the pulsed tokamak operation of the ITER coils in the relevant range of 104-105 cycles. The fatigue parameters, such as the R-ratio and the load frequency, may influence the material behavior under cyclic load. Therefore, investigations were made under load control and at 77Â K on an industrial glass-fiber-reinforced/epoxy compound. Stress-lifetime diagrams were generated with R-values between 0.1 and 0.5 and frequencies between 5 and 20Â Hz. The results are discussed with respect to the lifetime performance of ITER.
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Authors
K. Bittner-Rohrhofer, K. Humer, H.W. Weber,