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DTSTART;TZID=Europe/Paris:20260619T100000
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DTSTAMP:20260617T155416
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UID:10000077-1781863200-1781866800@remade-project.eu
SUMMARY:Tracking the dynamic evolutions of complex intermetallic phases of recycled Al alloys during solidification by the extremely brilliant source
DESCRIPTION:Zoom webinar | Replay on Youtube (soon)\nJiawei Mi \nUniversity of Hull\, UK \nGlobally\, the annual demand for primary aluminium (Al) is ∼70 million tons and the uses of secondary Al or recycled Al consume only ∼7% of the energy compared to the primary Al. Therefore\, it is vital to maximise the reuses and recycling rate of secondary Al to reduce the greenhouse gas emissions in Al industry. \nIn almost all commercial Al alloys\, Fe is the most common detrimental element\, which is often accumulated in the sorting and remelting processes and form different type of brittle Fe-rich intermetallic phases\, damaging greatly castability and mechanical properties of the alloys. It is vital to develop efficient and effective methodologies to restrict the detrimental Fe phases or to modify/change the damaging phase morphology into beneficial ones in order to improve the mechanical properties. \nHere\, I present our recent operando research work of using the ultrafast synchrotron X-ray diffraction and tomography techniques at ID11 and ID19 of the ESRF plus machine-learning assisted phase segmentation methods to study the 3D nucleation dynamics of the Fe phases in a typical multiple-component recycled Al alloy. We revealed\, in operando conditions\, how the co-growth of multiple Fe phases lead to the formation of complex and convoluted 3D Chinese-script phases. \nFurthermore\, we have demonstrated that\, by applying intensive ultrasound into the solidifying melt for just a few seconds\, the primary Al dendrites and Fe phase growth dynamics can be effectively altered\, resulting in much refined dendritic structures and intermetallic phases with less detrimental 3D morphology. The research has shown that ultrasound melt processing is a promising green technique for processing recycled Al alloys.
URL:https://remade-project.eu/index.php/event/tracking-the-dynamic-evolutions-of-complex-intermetallic-phases-of-recycled-al-alloys-during-solidification-by-the-extremely-brilliant-source/
CATEGORIES:Seminar
ATTACH;FMTTYPE=image/jpeg:https://remade-project.eu/wp-content/uploads/2026/06/260619_ReMade@ARI-seminar_JIAWEI-MI-.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261023T100000
DTEND;TZID=Europe/Paris:20261023T110000
DTSTAMP:20260617T155416
CREATED:20260313T082957Z
LAST-MODIFIED:20260423T084515Z
UID:10000075-1792749600-1792753200@remade-project.eu
SUMMARY:Scalable and longer-lasting bulk metals for public health and infrastructure
DESCRIPTION:Zoom webinar | Replay on Youtube (soon)\nLiliana ROMERO RESENDIZ \nBournemounth University\, UK \nImagine a structural metal that is simultaneously stronger and more ductile (flexible) than conventional options – and can even kill bacteria on contact. This is now possible through heterostructured materials\, which combine soft and hard regions within the same metal to create internal mechanical interactions that enhance overall performance. \nThis talk introduces the design principles of these architectures and explains why they outperform traditional alloys across multiple metrics. Using results from the ReMade@ARI initiative\, I will show how cryogenic deformation triggers a cascade of crystal defect mechanisms that progressively sustain work hardening. \nBeyond mechanical superiority\, heterostructuring can embed antimicrobial functionality into bulk metals without sacrificing durability. These findings open pathways toward scalable\, multifunctional materials for demanding applications: from safer medical devices and water infrastructure to resilient energy systems and cryogenic transport.
URL:https://remade-project.eu/index.php/event/scalable-and-longer-lasting-bulk-metals-for-public-health-and-infrastructure/
CATEGORIES:Seminar
ATTACH;FMTTYPE=image/jpeg:https://remade-project.eu/wp-content/uploads/2026/03/261023_ReMade@ARI-seminar_Romero-Resendiz.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261127T100000
DTEND;TZID=Europe/Paris:20261127T110000
DTSTAMP:20260617T155416
CREATED:20260313T084204Z
LAST-MODIFIED:20260423T084042Z
UID:10000076-1795773600-1795777200@remade-project.eu
SUMMARY:In situ characterization of food and plastic waste carbonized under pressure
DESCRIPTION:Zoom webinar | Replay on Youtube (soon)\nFrancesco D’ACIERNO \nKU Leuven\, Belgium \n  \nIn situ investigations of soft-matter carbonization are essential to connect processing conditions with final carbon structure and function. Here we report time-resolved structural and chemical monitoring of autogenic pressure carbonization of non-recyclable commodity plastics performed directly inside sealed quartz capillaries. We also treated food waste-derived sugars through alkaline and neutral hydrothermal carbonization in water and ionic liquids. By combining synchrotron-grade WAXS and SAXS with in-situ Raman spectroscopy\, and supporting ex-situ XPS surface analysis\, we follow the transformation from disordered organic networks to carbonaceous solids under self-generated pressure in real time.\n\nSAXS reveals the emergence and coarsening of nanoscale porosity and density inhomogeneities early in the heating profile\, while WAXS captures the progressive development of short-range aromatic stacking (broadening and gradual appearance of 002-type scattering). Raman spectra recorded concurrently track the evolution of sp2 domains and defect populations via the D and G bands\, allowing kinetic comparison between plastic and sugar routes. Ex-situ XPS indicates contrasting heteroatom retention: hydrothermal-derived chars retain higher oxygen functionality\, whereas plastic-derived carbons show lower O/C ratios and more pronounced graphitization signatures at equivalent processing stages.\n\nTogether the multimodal dataset supports a unifying mechanism in which precursor chemistry controls the balance between intramolecular rearrangement and intermolecular crosslinking\, setting the pathway for pore formation and aromatic ordering under pressure.
URL:https://remade-project.eu/index.php/event/in-situ-characterization-of-food-and-plastic-waste-carbonized-under-pressure/
CATEGORIES:Seminar
ATTACH;FMTTYPE=image/jpeg:https://remade-project.eu/wp-content/uploads/2026/03/261127_ReMade@ARI-seminar_DACIERNO.jpg
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