000863881 001__ 863881 000863881 005__ 20240711113841.0 000863881 0247_ $$2doi$$a10.1016/j.fusengdes.2018.07.011 000863881 0247_ $$2ISSN$$a0920-3796 000863881 0247_ $$2ISSN$$a1873-7196 000863881 0247_ $$2Handle$$a2128/22524 000863881 0247_ $$2WOS$$aWOS:000447082300019 000863881 037__ $$aFZJ-2019-03852 000863881 082__ $$a530 000863881 1001_ $$0P:(DE-Juel1)162434$$aHeuer, Simon$$b0$$eCorresponding author 000863881 245__ $$aAiming at understanding thermo-mechanical loads in the first wall of DEMO: Stress–strain evolution in a Eurofer-tungsten test component featuring a functionally graded interlayer 000863881 260__ $$aNew York, NY [u.a.]$$bElsevier$$c2018 000863881 3367_ $$2DRIVER$$aarticle 000863881 3367_ $$2DataCite$$aOutput Types/Journal article 000863881 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1563952268_28607 000863881 3367_ $$2BibTeX$$aARTICLE 000863881 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000863881 3367_ $$00$$2EndNote$$aJournal Article 000863881 520__ $$aFor the future fusion demonstration power plant, DEMO, several blanket designs are currently under consideration.Despite geometric and operational differences, all designs suggest a first wall (FW), in which tungsten(W) armour is joined to a structure made of Reduced Activation Ferritic Martensitic (RAFM) steel. In thermomechanicalanalyses of breeding blankets, this joint has received limited attention. In order to provide a basis forbetter understanding of thermally induced stresses and strains in the FW, the thermo-mechanical behaviour of awater-cooled test component is explored in the current contribution. The model aims at providing a simplegeometry that allows straightforward comparison of numerical and experimental results, while trying to keepboundary conditions as realistic as possible. A test component with direct RAFM steel-W joint, and a testcomponent with a stress-redistributing, functionally graded RAFM steel/W interlayer in the joint is considered inthe current contribution. The analyses take production- and operation-related loads into account. Following adetailed analysis of the evolution of stress components and strain in the model, a parameter study with respect togeometric specifications and loads is presented.The analyses show that, even in a small test component, a direct RAFM steel-W joint causes enormous plasticdeformation. The implementation of a functionally graded interlayer reduces stresses and strains significantly,but vertical normal stresses at the joint's circumference remain considerable. With the component geometryconsidered here, the graded interlayer should be at least 1mm thick and contain 4 sublayers to appropriatelyredistribute stresses. Beyond a component width of 14 mm, stresses increase strongly, which may pose a risk tothe applicability of large-scale FW components, too. 000863881 536__ $$0G:(DE-HGF)POF3-6213$$a6213 - Materials and Processes for Energy and Transport Technologies (POF3-621)$$cPOF3-621$$fPOF III$$x0 000863881 536__ $$0G:(EU-Grant)633053$$aEUROfusion - Implementation of activities described in the Roadmap to Fusion during Horizon 2020 through a Joint programme of the members of the EUROfusion consortium (633053)$$c633053$$fEURATOM-Adhoc-2014-20$$x1 000863881 588__ $$aDataset connected to CrossRef 000863881 7001_ $$0P:(DE-HGF)0$$aWeber, Thomas$$b1$$eCollaboration author 000863881 7001_ $$0P:(DE-Juel1)129778$$aPintsuk, Gerald$$b2$$eCollaboration author 000863881 7001_ $$0P:(DE-Juel1)2594$$aCoenen, Jan Willem$$b3$$eCollaboration author 000863881 7001_ $$0P:(DE-HGF)0$$aMatejicek, J.$$b4$$eCollaboration author 000863881 7001_ $$0P:(DE-Juel1)157640$$aLinsmeier, Christian$$b5$$eCollaboration author 000863881 773__ $$0PERI:(DE-600)1492280-0$$a10.1016/j.fusengdes.2018.07.011$$gVol. 135, p. 141 - 153$$p141 - 153$$tFusion engineering and design$$v135$$x0920-3796$$y2018 000863881 8564_ $$uhttps://juser.fz-juelich.de/record/863881/files/1-s2.0-S0920379618305660-main.pdf$$yRestricted 000863881 8564_ $$uhttps://juser.fz-juelich.de/record/863881/files/1-s2.0-S0920379618305660-main.pdf?subformat=pdfa$$xpdfa$$yRestricted 000863881 8564_ $$uhttps://juser.fz-juelich.de/record/863881/files/Aiming%20at%20understanding%20thermo-mechanical%20loads%20in%20the%20first%20wall%20of%20DEMO-reviewed-1.pdf$$yOpenAccess 000863881 8564_ $$uhttps://juser.fz-juelich.de/record/863881/files/Aiming%20at%20understanding%20thermo-mechanical%20loads%20in%20the%20first%20wall%20of%20DEMO-reviewed-1.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000863881 909CO $$ooai:juser.fz-juelich.de:863881$$pdnbdelivery$$pec_fundedresources$$pVDB$$pdriver$$popen_access$$popenaire 000863881 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)162434$$aForschungszentrum Jülich$$b0$$kFZJ 000863881 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$aExternal Institute$$b1$$kExtern 000863881 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129778$$aForschungszentrum Jülich$$b2$$kFZJ 000863881 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)2594$$aForschungszentrum Jülich$$b3$$kFZJ 000863881 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a IPP Prag$$b4 000863881 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)157640$$aForschungszentrum Jülich$$b5$$kFZJ 000863881 9131_ $$0G:(DE-HGF)POF3-621$$1G:(DE-HGF)POF3-620$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6213$$aDE-HGF$$bForschungsbereich Materie$$lVon Materie zu Materialien und Leben$$vIn-house research on the structure, dynamics and function of matter$$x0 000863881 9141_ $$y2019 000863881 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS 000863881 915__ $$0StatID:(DE-HGF)1160$$2StatID$$aDBCoverage$$bCurrent Contents - Engineering, Computing and Technology 000863881 915__ $$0StatID:(DE-HGF)0600$$2StatID$$aDBCoverage$$bEbsco Academic Search 000863881 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR$$bFUSION ENG DES : 2017 000863881 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection 000863881 915__ $$0StatID:(DE-HGF)0110$$2StatID$$aWoS$$bScience Citation Index 000863881 915__ $$0StatID:(DE-HGF)0111$$2StatID$$aWoS$$bScience Citation Index Expanded 000863881 915__ $$0StatID:(DE-HGF)9900$$2StatID$$aIF < 5 000863881 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000863881 915__ $$0StatID:(DE-HGF)0030$$2StatID$$aPeer Review$$bASC 000863881 915__ $$0StatID:(DE-HGF)0420$$2StatID$$aNationallizenz 000863881 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bClarivate Analytics Master Journal List 000863881 920__ $$lyes 000863881 9201_ $$0I:(DE-Juel1)IEK-4-20101013$$kIEK-4$$lPlasmaphysik$$x0 000863881 9801_ $$aFullTexts 000863881 980__ $$ajournal 000863881 980__ $$aVDB 000863881 980__ $$aUNRESTRICTED 000863881 980__ $$aI:(DE-Juel1)IEK-4-20101013 000863881 981__ $$aI:(DE-Juel1)IFN-1-20101013