| Home > Publications database > Surface modification of molten W exposed to high heat flux helium neutral beams > print |
| 001 | 836040 | ||
| 005 | 20240711113523.0 | ||
| 024 | 7 | _ | |a 10.1016/j.jnucmat.2013.02.043 |2 doi |
| 024 | 7 | _ | |a 0022-3115 |2 ISSN |
| 024 | 7 | _ | |a 1873-4820 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2017-05165 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Yuan, Y. |0 P:(DE-Juel1)166383 |b 0 |
| 245 | _ | _ | |a Surface modification of molten W exposed to high heat flux helium neutral beams |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2013 |b Elsevier Science |
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| 520 | _ | _ | |a High heat flux tests with central heat flux of 10.5 MW/m2 using helium neutral beams have been carried out on rolled tungsten. The energy of helium particles is 33 keV and the particle flux is 2 × 1021 m−2 s−1. An 80 × 65 × 3 mm3 rolled tungsten plate is firstly exposed to a 4.6 s pulse resulting in partially molten surfaces. Thereafter the tungsten plate is irradiated by several helium pulses with fluences of 1.2–2.5 × 1022/m2 and peak temperatures from 1450 to 2590 °C. The experiments show that: (1) helium-induced surface modification of the resolidified tungsten surface is very different from that of the non-molten surface; (2) the surface morphology of molten surface is closely related to the orientation of the resolidified grain; (3) the evolution of surface modifications, for both of the molten and non-molten tungsten surfaces, indicates a strong dependence on the surface temperature and local helium fluence. |
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| 700 | 1 | _ | |a Greuner, H. |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Böswirth, B. |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Linsmeier, Ch. |0 P:(DE-Juel1)157640 |b 3 |e Corresponding author |
| 700 | 1 | _ | |a Luo, G.-N. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Fu, B. Q. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Xu, H. Y. |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Shen, Z. J. |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Liu, W. |0 P:(DE-HGF)0 |b 8 |e Corresponding author |
| 773 | _ | _ | |a 10.1016/j.jnucmat.2013.02.043 |g Vol. 437, no. 1-3, p. 297 - 302 |0 PERI:(DE-600)2001279-2 |n 1-3 |p 297 - 302 |t Journal of nuclear materials |v 437 |y 2013 |x 0022-3115 |
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