Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12666/650
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dc.rights.licenseCopyright © 2020, IEEE-
dc.contributor.authorPereira, A.-
dc.contributor.authorMartín, P.-
dc.contributor.authorLópez Heredero, R.-
dc.contributor.authorTorquemada, M. C.-
dc.contributor.authorRodrigo, M. T.-
dc.contributor.authorGómez, L. J.-
dc.contributor.authorVila, R.-
dc.contributor.authorBelenguer, T.-
dc.contributor.authorMedrano, M.-
dc.contributor.authorPiqueras, J. J.-
dc.contributor.authorLe Guern, F.-
dc.contributor.authorPastor, C.-
dc.contributor.authorRodríguez, M. C.-
dc.contributor.authorQuintana, J. A.-
dc.contributor.authorCarrasco, R.-
dc.contributor.authorLapayese, F.-
dc.contributor.authorDe la Peña, A.-
dc.contributor.authorAlén Cordero, C.-
dc.date.accessioned2022-02-17T09:11:07Z-
dc.date.available2022-02-17T09:11:07Z-
dc.date.issued2020-01-30-
dc.identifier.citationIEEE Transactions on Plasma Science 48(6): 1619-1624(2020)es
dc.identifier.issn0093-3813-
dc.identifier.otherhttps://ieeexplore.ieee.org/document/8976240-
dc.identifier.urihttp://hdl.handle.net/20.500.12666/650-
dc.descriptionINSPEC Accession Number: 19686458. Authorized licensed use limited to: INTA. Downloaded on February 17,2022 at 09:08:13 UTC from IEEE Xplore. Restrictions applyes
dc.description.abstractThe need for a steam ingress environmental experiment is very significant to understand the impact of accidental in-vessel coolant leaks at ITER and to study the exposure of optical diagnostics to steam and humid conditions. This could happen as a result of the damage to the cooling pipes due to runaway electrons generated during plasma disruptions in ITER. In order to know the scope of this potential impact, an assessment was carried out to simulate and to study the exposure of optical elements to strong and hostile moisture conditions. After test, different measurements on optical mirrors were performed to characterize the reflectance properties, observed both in the visible and infrared spectral ranges, as well as the analysis of wavefront error, coating adherence test, and X-ray spectroscopy. Modification of properties and fluctuations in the physical behavior of optical materials and components were observed. Substrates and coatings were affected at different levels due to corrosion and oxidative depositions that modify their optical performances. In general, there are large differences in the results obtained for the same material manufactured by different manufacturing processes. Steam and humidity affected, especially substrates and metal coatings. Substrates made of silicon carbide and stainless steel were the least affected by corrosion. Rhodium coating suffered less damage than the molybdenum coating.es
dc.language.isoenges
dc.publisherInstitute of Electrical and Electronics Engineerses
dc.subjectMirrorses
dc.subjectCoatingses
dc.subjectSubstrateses
dc.subjectPlasmases
dc.subjectSilicon Carbidees
dc.subjectSurface Treatmentes
dc.subjectOptical Materialses
dc.titleSteam-Resistant Optical Materials for Use in Diagnostic Mirrors for ITERes
dc.typeinfo:eu-repo/semantics/articlees
dc.contributor.orcidPereira, A. [0000-0001-7945-6569]-
dc.identifier.doi10.1109/TPS.2020.2967460-
dc.identifier.e-issn1939-9375-
dc.description.peerreviewedPeerreviewes
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion-
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccess-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501-
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