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000888134 037__ $$aFZJ-2020-04708
000888134 1001_ $$0P:(DE-Juel1)172718$$aKrug, Robert$$b0
000888134 1112_ $$a31st Symposium on Fusion Technology (SOFT 2020)$$cDubrovnik$$d2020-09-20 - 2020-09-25$$wKroatien
000888134 245__ $$aDeuterium Retention and Surface Modification of Tungsten Alloys produced by Powder Injection Moulding after Deuterium Plasma Exposure
000888134 260__ $$c2020
000888134 3367_ $$0PUB:(DE-HGF)1$$2PUB:(DE-HGF)$$aAbstract$$babstract$$mabstract$$s1606127788_29433
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000888134 520__ $$aDeuterium Retention and Surface Modification of TungstenAlloys produced by Powder Injection Moulding afterDeuterium Plasma ExposureRobert Krug1∗, Sören Möller1, Steffen Antusch2, Marcin Rasinki1,Arkadi Kreter1, Marius Wirtz1, Bernhard Unterberg11) Forschungszentrum Jülich, Institut für Energie- und Klimaforschung, 52425 Jülich,Germany2) Karlsruhe Institute of Technology, Institute for Applied Materials, P.O. Box 3640,76021 Karlsruhe∗r.krug@fz-juelich.deKeywords: Powder Injection Moulding, Tungsten, Deuterium Retention, SputteringTopic: Plasma-Facing ComponentsType of Submission: TalkPowder Injection Moulding (PIM) is a promising technique for altering materialproperties of tungsten as a first wall material for nuclear fusion through dopingwith different elements (e.g. titanium carbide) and mass-producing complex shapedparts.The resulting changes in microstructure improve the mechanical properties, but canhave effects on the plasma behaviour like erosion and fuel retention as well.  Inpreliminary studies it was determined, that especially preferential sputtering of thealloying particles and the plasma interaction with the carbon based binder have themost impact on the plasma behaviour of PIM tungsten alloys.In this work, we investigate the behaviour of the surface near region (first fewμm)of 6 different PIM produced tungsten alloys under deuterium plasma exposure. Forthis, the samples are exposed to a deuterium plasma with a total fluence of≈5×1025m−2s−1at a temperature of200◦Cin the linear plasma device PSI-2.The surface modifications due to the plasma are investigated by Focussed Ion Beamand Scanning Electron Microscopy (FIB-SEM), the change in material compositionby Secondary Ion Mass Spectrometry (SIMS) and the deuterium depth concentrationin the first fewμmby Nuclear Reaction Analysis (NRA)
000888134 536__ $$0G:(DE-HGF)POF3-113$$a113 - Methods and Concepts for Material Development (POF3-113)$$cPOF3-113$$fPOF III$$x0
000888134 7001_ $$0P:(DE-Juel1)139534$$aMöller, Sören$$b1$$eCorresponding author$$ufzj
000888134 7001_ $$0P:(DE-HGF)0$$aS, Antusch$$b2
000888134 7001_ $$0P:(DE-Juel1)162160$$aRasinski, Marcin$$b3$$ufzj
000888134 7001_ $$0P:(DE-Juel1)130070$$aKreter, Arkadi$$b4$$ufzj
000888134 7001_ $$0P:(DE-Juel1)129811$$aWirtz, Marius$$b5$$ufzj
000888134 7001_ $$0P:(DE-Juel1)6784$$aUnterberg, Bernhard$$b6$$ufzj
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000888134 9131_ $$0G:(DE-HGF)POF3-113$$1G:(DE-HGF)POF3-110$$2G:(DE-HGF)POF3-100$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bEnergie$$lEnergieeffizienz, Materialien und Ressourcen$$vMethods and Concepts for Material Development$$x0
000888134 9141_ $$y2020
000888134 920__ $$lyes
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000888134 9201_ $$0I:(DE-Juel1)IEK-1-20101013$$kIEK-1$$lWerkstoffsynthese und Herstellungsverfahren$$x1
000888134 980__ $$aabstract
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