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| Hauptseite > Publikationsdatenbank > Smart Tungsten-based Alloys for a First Wall of DEMO > print |
| 001 | 891395 | ||
| 005 | 20240708133241.0 | ||
| 024 | 7 | _ | |a 10.1016/j.fusengdes.2020.111742 |2 doi |
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| 037 | _ | _ | |a FZJ-2021-01484 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Litnovsky, Andrey |0 P:(DE-Juel1)130090 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Smart Tungsten-based Alloys for a First Wall of DEMO |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2020 |b Elsevier |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a During an accident with loss-of-coolant and air ingress in DEMO, the temperature of tungsten first wall cladding may exceed 1000 °C and remain for months leading to tungsten oxidation. The radioactive tungsten oxide can be mobilized to the environment at rates of 10–150 kg per hour. Smart tungsten-based alloys are under development to address this issue. Alloys are aimed to function as pure tungsten during regular plasma operation of DEMO. During an accident, alloying elements will create a protective layer, suppressing release of W oxide.Bulk smart alloys were developed by using mechanical alloying and field-assisted sintering technology. The mechanical alloying process was optimized leading to an increased powder production by at least 40 %. Smart alloys and tungsten were tested under a variety of DEMO-relevant plasma conditions. Both materials demonstrated similar sputtering resistance to deuterium plasma. Under accident conditions, alloys feature a 40-fold reduction of W release compared to that of pure tungsten. |
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| 700 | 1 | _ | |a Nguyen-Manh, Duc |0 P:(DE-HGF)0 |b 13 |
| 700 | 1 | _ | |a Gilbert, Mark |0 0000-0001-8935-1744 |b 14 |
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| 773 | _ | _ | |a 10.1016/j.fusengdes.2020.111742 |g Vol. 159, p. 111742 - |0 PERI:(DE-600)1492280-0 |p 111742 - |t Fusion engineering and design |v 159 |y 2020 |x 0920-3796 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/891395/files/Postprint_Litnovsky_Smart%20Tungsten.pdf |y Published on 2020-07-02. Available in OpenAccess from 2022-07-02. |
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