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Mechanical behavior of dielectric materials used in high voltage submarine cables under dynamic loading.

High voltage dynamic cables used for power transmission in offshore environments are currently limited to 66kV. This project will conduct a systematic study on dielectric materials used in the construction of submarine cables, with the aim of evaluating their use in the design of dynamic cables with nominal capacity above 66kV.

In this first phase, lasting 24 months, emphasis will be given on studying the mechanical properties of three dielectric materials, assessing their sensitivity to temperature, aging and, especially, to the cyclic loads that are imposed by floating units under the action of waves and sea currents.

Experimental and theoretical approaches will be used. A simplified structural model for a dynamic high-voltage cable will be developed, capable of evaluating the fatigue life of these materials in representative oceanic scenarios.

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DESCRIPTION:

The school has an established reputation for the quality of its graduates and research, runs excellent facilities and hosts a SARChI research chair in hydrometallurgy and sustainable development and offers excellent opportunities for consultation and collaboration with chemical processing industries.  The school has also developed an active hydrometallurgy lab which means excellent opportunities exist for consultation/collaboration with the mining industry.

The School of Chemical and Metallurgical Engineering invites applications from suitably qualified candidates who possess a first degree in Metallurgical Engineering or Chemical Engineering (with a major in extractive metallurgy), as well as a relevant PhD degree, for appointment as Professor or Associate Professor in the field of extractive metallurgical engineering with a focus on hydrometallurgy. The aim of this position is to take over the work and legacy of the DSI/NRF SARChI: Hydrometallurgy and Sustainable Development Chair which is focused on hydrometallurgy

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Synopsis

Materials Innovation Platforms (MIP) is a mid-scale infrastructure program in the Division of Materials Research (DMR) designed to accelerate advances in materials research. MIPs respond to the increasing complexity of materials research that requires close collaboration of interdisciplinary and transdisciplinary teams and access to cutting edge tools. These tools in a user facility benefit both a user program and in-house research, which focus on addressing grand challenges of fundamental science and meet national needs. MIPs embrace the paradigm set forth by the Materials Genome Initiative (MGI), which strives to “discover, manufacture, and deploy advanced materials twice as fast, at a fraction of the cost,” and conduct research through iterative “closed-loop” efforts among the areas of materials synthesis/processing, materials characterization, and theory/modeling/simulation. In addition, they are expected to engage the emerging field of data science in materials research. Each MIP is a scientific ecosystem,

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