Home > Publications database > Progress in the Realization of µ-Brush W for Plasma-Facing Components > print |
001 | 911996 | ||
005 | 20240711113754.0 | ||
024 | 7 | _ | |a 10.3390/jne3040020 |2 doi |
024 | 7 | _ | |a 2128/32843 |2 Handle |
024 | 7 | _ | |a WOS:001188964400001 |2 WOS |
037 | _ | _ | |a FZJ-2022-05226 |
082 | _ | _ | |a 620 |
100 | 1 | _ | |a Dorow-Gerspach, Daniel |0 P:(DE-Juel1)171293 |b 0 |e Corresponding author |
245 | _ | _ | |a Progress in the Realization of µ-Brush W for Plasma-Facing Components |
260 | _ | _ | |a Basel |c 2022 |b MDPI |
336 | 7 | _ | |a article |2 DRIVER |
336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1669699506_13478 |2 PUB:(DE-HGF) |
336 | 7 | _ | |a ARTICLE |2 BibTeX |
336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
520 | _ | _ | |a During the service life of plasma-facing components, they are exposed to cyclic stationary and transient thermal loads. The former causes thermal fatigue and potentially detachment between the plasma-facing material tungsten and the structural Cu-based materials (divertor) and steel (first wall). The latter causes surface roughening, cracking, or even melting, which could drastically increase the erosion rate. Employing thin flexible W wires (Ww) with a diameter of a few hundred µm can reduce mechanical stresses, and we demonstrated their crack resilience against transient loads within first proof of principle studies. Here, status and future paths towards the large-scale production of such Ww assemblies, including techniques for realizing feasible joints with Cu, steel, or W, are presented. Using wire-based laser metal deposition, we were able to create a homogeneous and shallow infiltration of about 200 µm of the Ww assembly with steel. A high-heat-flux test on such a µ-brush (10 × 10 × 5 mm3 Ww on a ~0.5 mm thick steel layer) using 5 MW/m2 for 2000 cycles was performed without loss of any wire. Microstructural examination after and infrared analysis during the test showed no significant signs of degradation of the joint |
536 | _ | _ | |a 134 - Plasma-Wand-Wechselwirkung (POF4-134) |0 G:(DE-HGF)POF4-134 |c POF4-134 |f POF IV |x 0 |
588 | _ | _ | |a Dataset connected to CrossRef, Journals: juser.fz-juelich.de |
700 | 1 | _ | |a Derra, Thomas |0 0000-0002-4829-8008 |b 1 |
700 | 1 | _ | |a Gipperich, Marius |0 0000-0002-7430-3085 |b 2 |
700 | 1 | _ | |a Loewenhoff, Thorsten |0 P:(DE-Juel1)129751 |b 3 |
700 | 1 | _ | |a Pintsuk, Gerald |0 P:(DE-Juel1)129778 |b 4 |
700 | 1 | _ | |a Terra, Alexis |0 P:(DE-Juel1)130166 |b 5 |
700 | 1 | _ | |a Weber, Thomas |0 P:(DE-HGF)0 |b 6 |
700 | 1 | _ | |a Wirtz, Marius |0 P:(DE-Juel1)129811 |b 7 |
700 | 1 | _ | |a Linsmeier, Christian |0 P:(DE-Juel1)157640 |b 8 |
773 | _ | _ | |a 10.3390/jne3040020 |g Vol. 3, no. 4, p. 333 - 341 |0 PERI:(DE-600)3040700-X |n 4 |p 333 - 341 |t Journal of nuclear engineering |v 3 |y 2022 |x 2673-4362 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/911996/files/jne-03-00020.pdf |y OpenAccess |
909 | C | O | |o oai:juser.fz-juelich.de:911996 |p openaire |p open_access |p VDB |p driver |p dnbdelivery |
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913 | 1 | _ | |a DE-HGF |b Forschungsbereich Energie |l Fusion |1 G:(DE-HGF)POF4-130 |0 G:(DE-HGF)POF4-134 |3 G:(DE-HGF)POF4 |2 G:(DE-HGF)POF4-100 |4 G:(DE-HGF)POF |v Plasma-Wand-Wechselwirkung |x 0 |
914 | 1 | _ | |y 2022 |
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