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On the page
Mattias
Tidefelt
Doctoral student
mattias.tidefelt@mau.se
+46 40 665 74 93
orcid.org/0009-0007-8282-8336
Presentation
My research is about theoretical modeling of amorphous alloys, so called bulk metallic glass.
With the growth of additive manufacturing, this new material group of alloys has gained an increased attention as the manufacturing process inherit high local cooling rates which is suitable for maintaining an amorphous structure through the solidification process.
From a system's thermodynamic data I use classical nucleation theory (CNT) to statistically describe the phase transformations between a super cooled liquid and crystalline structures.
By studying phase transformations with synchrotron based light sources it is possible to verify and correlate the mathematical models to the alloys thermodynamical and kinetic behavior.
The goal of my PhD studies is to develop modeling tools to contribute with knowledge and methodology in this field.
Publications
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2024 | Licentiate thesis, comprehensive summary
Quantitative characterization of nanosized precipitate distributions in glassy alloys
Mattias Tidefelt
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2024 | Article in journal
In Situ Mapping of Phase Evolutions in Rapidly Heated Zr-Based Bulk Metallic Glass with Oxygen Impurities
Mattias Tidefelt, Julia Löstrand, Inga K. Goetz, Olivier Donzel-Gargand, Anders Ericsson, Xiaoliang Han, Petra E. Joensson, Martin Sahlberg, Ivan Kaban, Martin Fisk
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2023 | Article in journal
Grain Size-Dependent Thermal Expansion of Nanocrystalline Metals
Pär A T Olsson, Ibrahim Awala, Jacob Holmberg-Kasa, Andreas M. Krause, Mattias Tidefelt, Oscar Vigstrand, Denis Music