Development of electrical insulator coatings for fusion power applications

Park, J.-H; Domenico, T; Dragel, G.M.; Clark, Roy W.

doi:10.1016/0920-3796(95)90184-1

Cited by 32 publications

(10 citation statements)

References 5 publications

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“…Some design concepts, which employ pure lithium or lithium containing liquid metals/molten salts, must rely on coatings for the purpose of corrosion protection, ellctrical insulation as well as their hydrogen barrier function. 28,29 Here, work on thin (1 μm) erbia (Er 2 O 3 ) coatings has demonstrated that at the same time a good corrosion resistance and a permeation reduction by a factor of approx. 400 can be obtained, fig.…”

mentioning

confidence: 99%

Materials for the plasma-facing components of fusion reactors

Bolt¹,

Barabash²,

Krauß³

et al. 2004

Journal of Nuclear Materials

575

251

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According to current knowledge and understanding, nuclear fusion can be developed to a sustainable energy technology. Fuel is abundant and key points as fusion power production and alpha particle heating have already been demonstrated. The next-step device ITER (International Thermonuclear Experimental Reactor) is designed to demonstrate net power production and to address most of the technological issues on the way to a power reactor. There is, however, a

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mentioning

confidence: 99%

Materials for the plasma-facing components of fusion reactors

Bolt¹,

Barabash²,

Krauß³

et al. 2004

Journal of Nuclear Materials

575

251

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“…The vaporized complex reacted with oxygen gas in the reactor and then metal oxide layer was grown on the substrate by the phase epitaxial growth process. In this study, the Er(IBPM) 3 (isobutyrylpivaloylmethane) complex, which was one of the ¢-diketone complexes, was selected because of the lower melting point and better pyrolysis behavior compared with the Er(DPM) 3 complex.…”

Section: Methodsmentioning

confidence: 99%

“…The Magneto-HydroDynamic (MHD) pressure drop is a critical issue for liquid metal breeding blanket systems. 2,3) An electrical potential is induced in liquid metal flowing in a duct and channel perpendicular to a magnetic field.…”

Section: Introductionmentioning

confidence: 99%

Interfacial Structure of Erbium Oxide Layer on SUS316 Substrate Formed by MOCVD Method

et al. 2014

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The Er 2 O 3 layer fabricated by MOCVD method on SUS316 substrates before and after hydrogen permeation test were investigated to know their surface morphology and structure by SEM and TEM. The surface morphology of this layer was granular structure with size of about 0.30.6 µm in diameter. According to the cross sectional TEM (X-TEM) observation, the Er 2 O 3 layer with 11.3 µm thickness was formed on SUS316 substrate by MOCVD method in this research and no remarkable defects or cracks were detected. The Er 2 O 3 layer had the columnar structure and their mean width was 0.30.5 µm, and it is also in good agreement with mean width of a single column measured by TEM observation. The growth direction of Er 2 O 3 column was ©110ª Er2O3 , which is the same with as each sample before and after hydrogen permeation test, it strongly suggested that the Er 2 O 3 is a better candidate material for insulating coating of a liquid lithium blanket.

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“…Variables in this reaction include temperature, time, oxygen concentration in vanadium alloy, and calcium concentration in Li. [11][12][13] Scoping tests were conducted by exposing small coupons of V alloys at various temperatures to Li containing various concentrations (2-50 at %) of Ca. It was generally found that increasing the O concentration in this surface of V by exposure to low-pressure O environments before exposure to the Li-Ca alloy produced thicker oxide reaction products.…”

Section: Coating Development In-situ In Li-ca Mixturementioning

confidence: 99%