Abstract
Eurofer-97 is the main structural material targeted for the EU DEMO fusion tokamak and will be exposed to magnetic fields up to ˜10 T during operation. It is therefore necessary to understand the effect of magnetic fields on the mechanical properties of the Eurofer-97. We perform 30 uniaxial tensile tests with and without a transverse 1.5 T magnetic field at room temperature. Statistical results reveal that the magnetic field increases the value of proportionality limit by ˜2.6% (from 514 ± 4.5 MPa to 528 ± 10 MPa), but has minimum (<1%) effect on the ultimate tensile strength and elongation of this Eurofer-97. No clear change in the fracture surface is observed.
| Original language | English |
|---|---|
| Pages (from-to) | 68-72 |
| Number of pages | 5 |
| Journal | Fusion Engineering and Design |
| Volume | 141 |
| DOIs | |
| State | Published - Apr 2019 |
| Externally published | Yes |
Funding
This work has been funded by the RCUK Energy Programme [grant number EP/P012450/1 ]. To obtain further information on the data and models underlying this paper please contact [email protected]. This research used UKAEA’s Materials Research Facility, which has been funded by and is part of the UK’s National Nuclear User Facility and Henry Royce Institute for Advanced Materials . The authors also wish to acknowledge the support of the Karlsruhe Institute of Technology through material supply (Eurofer-97rolled plate).
Keywords
- Eurofer-97
- Fracture surface
- Magnetic field
- Tensile properties
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