Marta Sofia Rosado Silva Dias
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M. Dias graduated in Chemical Engineering at FCT of UNL in 2003. In 2011 she completed the PhD degree in Materials Engineering from IST in Lisbon with a thesis entitled 'B-Fe-U phase diagram and ternary compounds characterisation. M. Dias had a Post-Doc position at IST investigating materials for nuclear applications in the Materials for fusion group affiliated with IPFN. Recently, Marta Dias won a junior research position at IST in agreement with DL57 since January of 2019 up to now.
Área de Especialização (FOS)
Engenharia dos Materiais
Perfis externos
Produção científica
Biografia
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Marta Dias (MD) graduated in 2003 in Chemical Engineering by Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa. In 2011 she completed the PhD with the thesis: "B-Fe-U ternary phase diagram and ternary compounds characterization" in Materials Engineering field at Instituto Superior Técnico. After the PhD, MD was awarded a Post-Doc fellowship by FCT at Instituto de Plasmas e Fusão Nuclear (IPFN) at Instituto Superior Técnico (IST), where she started to work in the field of advanced materials for extreme conditions. The areas of scientific interest were focused on (i) development and production of novel materials to operate under extreme conditions (ii) their mechanical, structural and thermal characterization together with (iii) their interaction with radiation and plasmas. Between 2011 and 2016, MD has been involved in research of W-Ta fibre composites for applications as plasma facing components produced with different techniques: spark plasma sintering, pulse plasma sintering and hot isostatic pressing. During these period collaborations were performed with National Institute of Materials Physics in Romania as well as with Portuguese industry Diapor for materials consolidation. In order to perform mechanical characterization of the new materials, collaboration with Departamento de Ciencia de Materiales (CIME) of Universidad Politécnica de Madrid in Spain was also established. Moreover, MD was also focused on the production of thermal barrier interlayers for nuclear fusion, namely the class of WC-Cu and Cu-Y2O3 composites. As outcome of these studies four master thesis were submitted at IST: “WC-Cu cermet materials: production and characterization” (2015), “Production, characterization and modelling of WC-Cu cermet materials” (2017), “CuCrFeTiV high entropy alloys as new thermal barriers” (2017), “HEAs: High entropy alloys for advanced systems and engines” (2019). Furthermore a PhD theses: “Study of irradiation effects in tungsten and production of tungsten alloys for fusion devices” (2018) was also accomplished based on these research activities. Since 2014, she coordinates the task in the Work Packaged of Materials – High Heat Flux Materials, under the framework of the EUROfusion Consortium. Recently, MD won a junior research position at IST in agreement with DL57 since January of 2019 up to now. The development of the materials of CuxCrFeTiM (M=Mo and V) were performed by the team supervised by MD. Moreover, based on promising results and experience on the new high entropy alloys, some high entropy alloys based on W were started. At the present, the combination of high entropy alloys with Cu and W were took into account and some work is on progress where the work for the PhD student from IST (Ricardo Martins), supervised by MD is involved. In addition, a task under the supervision of MD with financial support from EUROFusion to investigate high entropy alloys for application on nuclear fusion reactors was also approved for the next years (2021-2027). Moreover, in order to go further and understand the electric and magnetic properties of the high entropy alloys, a collaboration with colleagues from Faculdade de Ciências and Instituto Superior de Engenharia de Lisboa was also stablished. Two master theses resulted from the work developed in the last 3 years with the titles: “High Entropy alloys for advanced systems and engines” (September of 2019) and “Study of CuxCrFeMoTi ( x= 0.4 and 1) high entropy alloys for use as a thermal barrier in a nuclear fusion reactor” (Erasmos program August of 2021). In addition, two PhD in IST have been started in 2021, “CuFeTaWX with x=Ti or Cr high entropy alloys as nuclear fusion materials” (by student Ricardo Martins) and a new PhD student (student Ana Ribeiro) was invited to pursue, where the high entropy alloys will be irradiated with different ions in order to understand the irradiation resistance of these materials. A collaboration with a Portuguese company BollinGhaus Steel Lda to solve problems associated with the development of 17-4PH steel was performed. In 2021 MD started to give classes in IST master in Materials Engineering on the curricular unit “Functional Materials”. In order to serve the community and to share the acknowledgement, MD receive in the last years four foreign students (two from France one from Italy and one from Poland) for internship during three months to accompany the work in progress. MD was invited to participate in a FCT project named “PARADISE” as a collaborator with IPFN colleagues in order to produce experimentally the membranes to promote gas separation. During the last year, MD was a member of jury of a master thesis “Growth of noble metal Au-Nano particles into selected dielectric matrices” from the student Ana Ribeiro. Due to her experience on laboratory and her research on the thermophysical properties, she assume the responsibility to received equipment’s from the thermophysical laboratory in Alameda and developed a new laboratory at CTN under her coordination. MD held 26 orals and 13 posters communications in international conferences and EUROFusion meetings. She regularly acts as a referee in international scientific journals. From her work resulted 40 articles published and 1 accepted in international journal. One relevant and extensive work was accepted in Acta Materialia (IF=8.2) with the title: “Gibbs-Thomson effect as driving force for liquid film migration: Converting metallic into ceramic fibers through intrinsic oxidation” where MD is the first author.