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Steigerung der thermischen Stabilität von warm- und kaltgewalztem Wolfram durch Kalium-Dotierung für die Fusionsenergietechnik
Philipp Lied
2025
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Cold-rolled tungsten with high degrees of deformation exhibits exceptionally high ductility. However, the required ultra-fine-grained microstructure is thermally unstable. A promising stabilization approach is offered by potassium doping, the potential of which was comprehensively analyzed and qualified as part of this work. K-doped tungsten could significantly improve the technical possibilities for components of future fusion reactors under heavy thermal loads.
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