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Resistance of tungsten with yttrium doping to ELM-like thermal shocks

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Abstract
The thermal shock resistance of spark plasma sintered tungsten grades, containing between 0.25 weight% and 1 weight% yttrium, are investigated under fusion relevant ELM-like loading conditions. The tungsten samples were cyclic tested at room temperature using a Nd:YAG laser beam and the electron beam facility JUDITH 1. Heat pulses with durations of 1 ms were applied to the samples leading to absorbed power densities between 0.37 GW/m and 1.14 GW/m². Furthermore, at a temperature of 400 °C, three samples were tested with the highest power density of 1.14 GW/m². The characterization of samples before and after exposure shows that the thermal shock resistance improves with increasing yttrium content. However, in contrast to pure tungsten, there is still brittle behavior for the yttrium-doped tungsten at the base temperature of 400°C.

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MLA
Lemahieu, Nathan, Jochen Linke, Gerald Pintsuk, et al. “Resistance of Tungsten with Yttrium Doping to ELM-like Thermal Shocks.” Proceedings of the 45th Annual Meeting on Nuclear Technology. INFORUM Verlags- und Verwaltungsgesellschaft, 2014. 9081–1–9081–6. Print.
APA
Lemahieu, N., Linke, J., Pintsuk, G., Van Oost, G., Wirtz, M., & Zhou, Z. (2014). Resistance of tungsten with yttrium doping to ELM-like thermal shocks. Proceedings of the 45th Annual Meeting on Nuclear Technology (pp. 9081–1–9081–6). Presented at the Annual Meeting on Nuclear Technology 2014, INFORUM Verlags- und Verwaltungsgesellschaft.
Chicago author-date
Lemahieu, Nathan, Jochen Linke, Gerald Pintsuk, Guido Van Oost, Marius Wirtz, and Zhangjian Zhou. 2014. “Resistance of Tungsten with Yttrium Doping to ELM-like Thermal Shocks.” In Proceedings of the 45th Annual Meeting on Nuclear Technology, 9081–1–9081–6. INFORUM Verlags- und Verwaltungsgesellschaft.
Chicago author-date (all authors)
Lemahieu, Nathan, Jochen Linke, Gerald Pintsuk, Guido Van Oost, Marius Wirtz, and Zhangjian Zhou. 2014. “Resistance of Tungsten with Yttrium Doping to ELM-like Thermal Shocks.” In Proceedings of the 45th Annual Meeting on Nuclear Technology, 9081–1–9081–6. INFORUM Verlags- und Verwaltungsgesellschaft.
Vancouver
1.
Lemahieu N, Linke J, Pintsuk G, Van Oost G, Wirtz M, Zhou Z. Resistance of tungsten with yttrium doping to ELM-like thermal shocks. Proceedings of the 45th Annual Meeting on Nuclear Technology. INFORUM Verlags- und Verwaltungsgesellschaft; 2014. p. 9081–1–9081–6.
IEEE
[1]
N. Lemahieu, J. Linke, G. Pintsuk, G. Van Oost, M. Wirtz, and Z. Zhou, “Resistance of tungsten with yttrium doping to ELM-like thermal shocks,” in Proceedings of the 45th Annual Meeting on Nuclear Technology, Frankfurt, Germany, 2014, pp. 9081-1-9081–6.
@inproceedings{5816931,
  abstract     = {{The thermal shock resistance of spark plasma sintered tungsten grades, containing between 0.25 weight% and 1 weight% yttrium, are investigated under fusion relevant ELM-like loading conditions. The tungsten samples were cyclic tested at room temperature using a Nd:YAG laser beam and the electron beam facility JUDITH 1. Heat pulses with durations of 1 ms were applied to the samples leading to absorbed power densities between 0.37 GW/m and 1.14 GW/m². Furthermore, at a temperature of 400 °C, three samples were tested with the highest power density of 1.14 GW/m². The characterization of samples before and after exposure shows that the thermal shock resistance improves with increasing yttrium content. However, in contrast to pure tungsten, there is still brittle behavior for the yttrium-doped tungsten at the base temperature of 400°C.}},
  articleno    = {{9081}},
  author       = {{Lemahieu, Nathan and Linke, Jochen and Pintsuk, Gerald and Van Oost, Guido and Wirtz, Marius and Zhou, Zhangjian}},
  booktitle    = {{Proceedings of the 45th Annual Meeting on Nuclear Technology}},
  isbn         = {{9783926956996}},
  language     = {{eng}},
  location     = {{Frankfurt, Germany}},
  pages        = {{9081:9081-1--9081:9081-6}},
  publisher    = {{INFORUM Verlags- und Verwaltungsgesellschaft}},
  title        = {{Resistance of tungsten with yttrium doping to ELM-like thermal shocks}},
  year         = {{2014}},
}