?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Fabricaci%C3%B3n+y+caracterizaci%C3%B3n+de+wolframio+nanoestructurado+como+material+de+primera+pared+en+reactores+de+fusi%C3%B3n+nuclear&rft.creator=Pedroche+S%C3%A1nchez%2C+Gabriel&rft.contributor=Desconocido%2C+Desconocido&rft.subject=Nuclear+Energy&rft.description=El+trabajo+que+se+llevar%C3%A1+a+cabo+se+basa+en+el+desarrollo+de+nuevos+materiales+que+sean+capaces+de+resistir+las+condiciones+extremas+a+las+que+estar%C3%ADan+expuestos+en+el+interior+de+un+reactor+de+fusi%C3%B3n+nuclear%2C+como+son+los+altos+choques+t%C3%A9rmicos+y+los+altos+flujos+i%C3%B3nicos.+Actualmente+se+est%C3%A1+investigando+en+el+potencial+del+wolframio+nanoestructurado+como+material+de+primera+pared+(en+ingl%C3%A9s+PFM%3A+Plasma+Facing+Material).+La+principal+ventaja+de+%C3%A9ste+frente+al+wolframio+masivo+radica+en+su+gran+densidad+de+fronteras+de+grano+que+hacen+que+el+material+sea+m%C3%A1s+resistente+a+la+irradiaci%C3%B3n.+El+objetivo+de+este+trabajo+ser%C3%A1+la+b%C3%BAsqueda+de+las+condiciones+%C3%B3ptimas+para+la+fabricaci%C3%B3n+de+recubrimientos+de+wolframio+nanoestructurado+mediante+la+t%C3%A9cnica+de+pulverizaci%C3%B3n+cat%C3%B3dica+(%22sputtering%22)+en+diferentes+configuraciones%2C+continuo+(%22Direct+Current+Magnetron+Sputtering%22+o+DCMS)+y%2Fo+pulsado+(%22High+Power+Impulse+Magnetron+Sputtering%22+o+HiPIMS)+y+caracterizar+sus+propiedades+como+PFM+mediante+perfilometr%C3%ADa%2C+microscop%C3%ADa+%C3%B3ptica%2C+microscop%C3%ADa+electr%C3%B3nica+de+barrido+(%22Scanning+Electron+Microscope%22+o+SEM)+y+difracci%C3%B3n+de+rayos+X+(%22X-Ray+Diffraction%22+o+XRD).+A+su+vez%2C+se+realizar%C3%A1+un+ensayo+de+implantaci%C3%B3n+con+un+plasma+pulsado+de+He+para+analizar+los+efectos+de+la+irradiaci%C3%B3n+en+uno+de+los+recubrimientos.++Abstract%3A++The+work+that+will+be+carried+out+is+based+on+the+development+of+new+materials+capable+of+withstanding+the+extreme+conditions+that+they+will+have+to+face+inside+a+nuclear+fusion+reactor%2C+such+as+high+thermal+loads+and+high+ion+fluxes.+Currently%2C+nanostructured+tungsten+potential+is+being+investigated+as+a+plasma+facing+material+(PFM).+The+main+advantage+over+coarse+grain+tungsten+is+its+high+density+of+grain+boundaries+which+make+the+material+more+resistant+to+irradiation.+The+project%C2%B4s+main+objective+will+be+the+search+of+the+optimal+conditions+that+will+allow+us+to+fabricate+nanostructured+tungsten+thin+films+by+using+the+sputtering+technique+in+different+configurations%2C+such+as+DCMS+(Direct+Current+Magnetron+Sputtering)+and%2For+HiPIMS+(High+Power+Impulse+Magetron+Sputtering)+and+characterize+their+properties+as+a+PFM+by+perfilometry%2C+optical+microscopy%2C+SEM+(Scanning+Electron+Microcopy)+and+XRD+(X-Ray+Diffracion)+analysis.+Moreover%2C+an+implantation+test+with+a+He+pulsed+plasma+will+be+carried+out+to+analyze+the+effects+of+irradiation+on+one+of+the+coatings.&rft.publisher=E.T.S.I+de+Minas+y+Energ%C3%83%C2%ADa&rft.rights=https%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby-nc-nd%2F3.0%2Fes%2F&rft.date=2014-09&rft.type=info%3Aeu-repo%2Fsemantics%2FbachelorThesis&rft.type=Final+Project&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=spa&rft.rights=info%3Aeu-repo%2Fsemantics%2FopenAccess&rft.identifier=https%3A%2F%2Foa.upm.es%2F34253%2F