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SOLID Seminar with Peter Hedström

May 24 @ 10:00 am - 12:00 pm

Please join the SOLID Seminar with Peter Hedström from KTH at DTU 3D Imagining Centre, building 310, meeting room 062 and Zoom.

The talk will be 45 minutes, followed by 15 minutes of general questions, and 1 hour of more detailed discussion.

Peter Hedström, Professor in Materials Science, KTH

He heads the Unit of Properties, one of three research units at the Department. His PhD degree is from Luleå University of Technology and after working at the metallurgical research institute MEFOS (currently Swerim) he joined KTH in 2008. The research at KTH encompasses advanced materials characterization, structure-property relations in engineering materials, materials design, deformation of metals, phase transformations , powder metallurgy and artificial intelligence for materials science. A key activity within materials characterization is development and application of large-scale research infrastructure (synchrotron x-ray and neutron) methods. Related to this, Hedström is the Director of the Center for X-rays in Swedish materials science (CeXS), which hosts the Swedish Materials Science beamline (P21) at the synchrotron source PETRA III, and he is also the local Director of Studies at KTH for the Swedish Graduate School for Neutron scattering (SwedNess). Hedström’s research is focused on metallic alloys, in particular steels, but he also works on ceramics and composites. Hedström is furthermore active in bringing materials research into innovations and he has co-founded two companies Ferritico and Scatterin, based on research conducted by him and collaborators at KTH.


Title: Neutrons and high-energy x-rays for metallic materials research


Abstract: Neutrons and high-energy x-rays are complementary characterization tools due to their different interactions with the sample material, and both tools are highly suited for in-situ characterization of phenomena in metallic materials during industry relevant processes. Furthermore, high-energy synchrotron x-rays provide excellent temporal resolution to resolve fast phenomena. In this talk I will present some examples from our work to investigate mainly steels and cemented carbides, and how this is combined with post mortem characterization and materials modelling to further understand mechanisms and kinetic evolution of phase transformations and bulk deformation mechanisms. Some specific examples that will be presented are: nanostructural evolution leading to embrittlement of stainless steels, controlling phase transformations in steels during heat treatment, deformation of metastable austenite in steels and phase transformations during processing of cemented carbides.


May 24
10:00 am - 12:00 pm


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DTU 3D Imaging Centre
Fysikvej, building 310
Lyngby, 2800
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+45 3196 4970
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