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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2022 Technical Division Student Poster Contest
Presentation Title SPG-29: Production via Machining and Rolling of High Resistivity Electrical Steel
Author(s) Brhayan Stiven Puentes, James Mann, Srinivasan Chandrasekar, Kevin Trumble
On-Site Speaker (Planned) Brhayan Stiven Puentes
Abstract Scope Electrical steels are one type of soft magnetic materials. They are based on Fe-Si alloys, and they are widely used for magnetic cores in transformers and electric motors. It is well known that Fe-6.5Si wt% is the most efficient composition that has been developed so far. However, at such high silicon concentration (6.5wt.% = 12.1 at.% Si in Fe) the workability of the alloy is so bad that it makes it extremely difficult for industrial rolling production. Our project approaches this problem via two different solutions. First, we developed a machining-based technology that suppresses the mechanisms that lead to cracking during traditional rolling. Second, we develop a high-resistivity electrical steel alloy with up to 35% reduction of core losses (compared to commercial alloys with ~ Fe-3.2Si wt%) but maintaining good workability.
Proceedings Inclusion? Undecided
Keywords Magnetic Materials, Characterization, Iron and Steel


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