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VERSION:2.0
METHOD:PUBLISH
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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 16b
SUMMARY:Automated microalloyed steel precipitate characterization in TEM
DESCRIPTION:At the end of the hot rolling process, microalloyed steel will form nanoscale precipitates of compounds such as NbC and TiN. These precipitates have the potential to improve properties by grain refinement and precipitation hardening.  Precipitates with smaller size and higher number density typically yield higher strength. The rate of cooling after hot rolling will control the precipitation and coarsening of these particles. One of the challenges is to obtain a statistically meaningful distribution of their size, shape and composition as up to now this has only been possible with tedious, manual analysis.

In this study an electron microscopy workflow is presented where the acquisition of images and chemical information is fully automated, even for overnight analysis on large area samples. The automated TEM allowed processing and comparing a statistically relevant number of particles (thousands) of steel lamellae samples from the coil head and coil middle. With these workflows, the time to improve processes and to develop a new steel product can be reduced and R&D manpower can be freed up for new responsibilities.
CLASS:PUBLIC
DTSTART:20230614T135000
DTEND:20230614T141000
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