Study of Radioactive Inventory Generated from W-based Components in ITER and PPCS Fusion Designs

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Study of Radioactive Inventory Generated from W-based Components in ITER and PPCS Fusion Designs. / Desecures, Mikaël; El-Guebaly, Laila; Druyts, Frank; Van Iseghem, Pierre.

In: fusion engineering and design, Vol. 88, No. 9-10, 10.2013, p. 2674-2678.

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Desecures, Mikaël ; El-Guebaly, Laila ; Druyts, Frank ; Van Iseghem, Pierre. / Study of Radioactive Inventory Generated from W-based Components in ITER and PPCS Fusion Designs. In: fusion engineering and design. 2013 ; Vol. 88, No. 9-10. pp. 2674-2678.

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@article{b4e6eea040214351a5fb58307ef48ba5,
title = "Study of Radioactive Inventory Generated from W-based Components in ITER and PPCS Fusion Designs",
abstract = "Tungsten and its alloys are currently considered as prime candidates for plasma facing components in many fusion experimental devices and power plants, but some issues regarding the activation of these materials remain to be clarified. We addressed the activation concerns of seven candidate W alloys (W-W composites, W-La2O3, W-TiC, W-Ta, W-K, VM tungsten and W-Re) that could be used for W-based divertors and W-armors under the operating conditions of the ITER experimental facility and the PPCS power plant (EU power plant design studies). More specifically, we examined the three radioactive waste management options (disposal, recycling, and clearance) as well as the transmutation of W. The latter is quite sensitive to the divertor and blanket materials. About 5-8 at.% of the W armor transmute at the end of the PPCS blanket lifetime while the transmutation in the divertor W is <1%. Such a low transmutation level may not impair the physical properties of divertor W alloys.",
keywords = "tungsten-based divertor, tungsten recycling, tungsten transmutation",
author = "Mika{\"e}l Desecures and Laila El-Guebaly and Frank Druyts and {Van Iseghem}, Pierre",
note = "Score = 10; Proceedings of the 27th Symposium On Fusion Technology (SOFT-27); Li{\`e}ge, Belgium, September 24-28, 2012 ; Conference date: 24-09-2012 Through 28-09-2012",
year = "2013",
month = oct,
doi = "10.1016/j.fusengdes.2013.02.042",
language = "English",
volume = "88",
pages = "2674--2678",
journal = "Fusion Engineering & Design",
issn = "0920-3796",
publisher = "Elsevier",
number = "9-10",

}

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TY - JOUR

T1 - Study of Radioactive Inventory Generated from W-based Components in ITER and PPCS Fusion Designs

AU - Desecures, Mikaël

AU - El-Guebaly, Laila

AU - Druyts, Frank

AU - Van Iseghem, Pierre

N1 - Score = 10

PY - 2013/10

Y1 - 2013/10

N2 - Tungsten and its alloys are currently considered as prime candidates for plasma facing components in many fusion experimental devices and power plants, but some issues regarding the activation of these materials remain to be clarified. We addressed the activation concerns of seven candidate W alloys (W-W composites, W-La2O3, W-TiC, W-Ta, W-K, VM tungsten and W-Re) that could be used for W-based divertors and W-armors under the operating conditions of the ITER experimental facility and the PPCS power plant (EU power plant design studies). More specifically, we examined the three radioactive waste management options (disposal, recycling, and clearance) as well as the transmutation of W. The latter is quite sensitive to the divertor and blanket materials. About 5-8 at.% of the W armor transmute at the end of the PPCS blanket lifetime while the transmutation in the divertor W is <1%. Such a low transmutation level may not impair the physical properties of divertor W alloys.

AB - Tungsten and its alloys are currently considered as prime candidates for plasma facing components in many fusion experimental devices and power plants, but some issues regarding the activation of these materials remain to be clarified. We addressed the activation concerns of seven candidate W alloys (W-W composites, W-La2O3, W-TiC, W-Ta, W-K, VM tungsten and W-Re) that could be used for W-based divertors and W-armors under the operating conditions of the ITER experimental facility and the PPCS power plant (EU power plant design studies). More specifically, we examined the three radioactive waste management options (disposal, recycling, and clearance) as well as the transmutation of W. The latter is quite sensitive to the divertor and blanket materials. About 5-8 at.% of the W armor transmute at the end of the PPCS blanket lifetime while the transmutation in the divertor W is <1%. Such a low transmutation level may not impair the physical properties of divertor W alloys.

KW - tungsten-based divertor

KW - tungsten recycling

KW - tungsten transmutation

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_134510

UR - http://knowledgecentre.sckcen.be/so2/bibref/11318

U2 - 10.1016/j.fusengdes.2013.02.042

DO - 10.1016/j.fusengdes.2013.02.042

M3 - Article

VL - 88

SP - 2674

EP - 2678

JO - Fusion Engineering & Design

JF - Fusion Engineering & Design

SN - 0920-3796

IS - 9-10

T2 - Proceedings of the 27th Symposium On Fusion Technology (SOFT-27); Liège, Belgium, September 24-28, 2012

Y2 - 24 September 2012 through 28 September 2012

ER -

ID: 366091