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| 001 | 852580 | ||
| 005 | 20240711113529.0 | ||
| 024 | 7 | _ | |a 10.1016/j.fusengdes.2017.01.043 |2 doi |
| 024 | 7 | _ | |a 0920-3796 |2 ISSN |
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| 100 | 1 | _ | |a Neu, R. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Investigations on tungsten heavy alloys for use as plasma facing material |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2017 |b Elsevier |
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| 520 | _ | _ | |a An alternative solution for tungsten as a plasma facing material could be the use of W heavy alloys as they are produced commercially by several companies. They consist of up to 97% W and Ni/Fe (or Ni/Cu) admixtures, they are readily machinable and considerably cheaper than bulk tungsten. Their major drawbacks in view of the application in fusion experiments are the rather low melting temperature and their magnetic properties (in case of a Ni/Fe binder phase). In a first step W heavy alloys from two manufacturers were investigated concerning their thermal and magnetic properties and subjected to screening tests and cyclic loading in the high heat flux test facility GLADIS with up to 20 MW m−2 and surface temperatures of up to 2200 °C, showing no macroscopic failure. SEM investigations show a segregation of Ni and Fe at the top surface after the thermal overloading, but no signs of micro-cracking. The long-term behaviour of a W–Ni/Fe tile under plasma and electromagnetic load was investigated in ASDEX Upgrade using its divertor manipulator. The tile was exposed in discharges with record values of injected energy and power. Despite the observed surface modifications (Ni/Fe segregation) the W heavy alloys seem to provide a pragmatic and cost-effective alternative to bulk W tiles in the divertor of ASDEX Upgrade |
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| 700 | 1 | _ | |a Maier, H. |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Balden, M. |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Elgeti, S. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Gietl, H. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Greuner, H. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Herrmann, A. |0 P:(DE-HGF)0 |b 6 |
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| 700 | 1 | _ | |a Rohde, V. |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Sieglin, B. |0 P:(DE-HGF)0 |b 9 |
| 700 | 1 | _ | |a Zammuto, I. |0 P:(DE-HGF)0 |b 10 |
| 773 | _ | _ | |a 10.1016/j.fusengdes.2017.01.043 |g Vol. 124, p. 450 - 454 |0 PERI:(DE-600)1492280-0 |p 450 - 454 |t Fusion engineering and design |v 124 |y 2017 |x 0920-3796 |
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