Dissertation / PhD Thesis IMPULSE-2026-00108

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Spatial correlations in the magnetic domain structure of non-oriented electrical steel measured with neutron grating interferometry



2026
mediaTUM Munich

Munich : mediaTUM 121 pp. () = Dissertation, Technical University of Munich (TUM), 2026

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Abstract: Modern electric motors require efficient flux guidance in NOES rotors, but conventional cut‑out flux barriers reduce mechanical stability. Residual‑stress‑based barriers, as currently investigated, offer an alternative. Using neutron grating interferometry, the performance of such residual-stress-based flux barriers is investigated and sources of angular anisotropy are identified. A simpler measurement approach is presented based the obtained insights to efficiently address engineering questions.

Keyword(s): Instrument and Method Development (1st) ; Instrument and Method Development (2nd)


Note: Dissertation, Technical University of Munich (TUM), 2026

Contributing Institute(s):
  1. ANTARES (ANTARES)
  2. ADVMAT (ADVMAT)
Experiment(s):
  1. ANTARES: Cold neutron radiography and tomography station (SR4a)

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 Record created 2026-04-20, last modified 2026-04-20