Influence of plasma impurities on the effective performance of fusion relevant materials

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dc.contributor.authorRiley, RPen_AU
dc.contributor.authorGuenette, MCen_AU
dc.contributor.authorDeslandes, Aen_AU
dc.contributor.authorMiddleburgh, SCen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorThomsen, Len_AU
dc.contributor.authorCorr, CSen_AU
dc.date.accessioned2022-08-25T02:46:43Zen_AU
dc.date.available2022-08-25T02:46:43Zen_AU
dc.date.issued2014-02-04en_AU
dc.date.statistics2021-09-15en_AU
dc.description.abstractThe development of a sustainable source of power derived from fusion energy is presently constrained by the limited number of materials capable of operating under such extreme conditions. Plasma facing components within magnetically confined fusion reactors must withstand extremes of temperature and loads, while maintaining a high tolerance to radiation damage from energetic particles or neutrons. More specifically, factors of sputtering yield, thermal conduction, electrical conduction and retention of fuel can all degrade the performance of the reactor and hence detrimentally lower the efficiency. In aiming to improve our understanding of materials capable of operating within the fusion environment, it is essential to establish how present generation materials become degraded. Use of ion beam accelerators and linear plasma devices simulate the respective impact of energetic neutron damage (14.1 MeV) and plasma erosion (H+, D+, He+) within a magnetically confined fusion environment. Methods of characterising changes in the local structure and chemistry of surface and near surface regions of fusion relevant materials quantify material degradation resulting from the uptake of plasma impurities. While complementary density functional theory (DFT) simulations have identified possible mechanisms for degradation of material performance. An overview of material evaluation methods will also be presented.en_AU
dc.identifier.citationRiley, D. P., Guenette, M., Deslandes, A., Middleburgh, S. C., Lumpkin, G., Thomsen, L., & Corr, C. (2014). Influence of plasma impurities on the effective performance of fusion relevant materials. Poster presented to the 38th Annual Condensed Matter and Materials Meeting 2014, Waiheke Island Resort, Waiheke, Auckland, New Zealand 4th February - 7th February, 2014. Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.conferenceenddate7 February 2014en_AU
dc.identifier.conferencename38th Annual Condensed Matter and Materials Meeting 2014en_AU
dc.identifier.conferenceplaceAuckland, New Zealanden_AU
dc.identifier.conferencestartdate4 February 2014en_AU
dc.identifier.isbn978-0-646-93339-9en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13609en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectPlasmaen_AU
dc.subjectImpuritiesen_AU
dc.subjectThermonuclear reactorsen_AU
dc.subjectPoweren_AU
dc.subjectPower generationen_AU
dc.subjectMaterialsen_AU
dc.subjectTemperature rangeen_AU
dc.subjectPhysical radiation effectsen_AU
dc.subjectNuclear fuelsen_AU
dc.subjectSputteringen_AU
dc.subjectYieldsen_AU
dc.subjectDensity functional methoden_AU
dc.titleInfluence of plasma impurities on the effective performance of fusion relevant materialsen_AU
dc.typeConference Posteren_AU
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