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Recent content by F.Yermanos

  1. F.Yermanos

    Annealing Hi-B DR distribution transformers wound cores

    Hi. Thanks for your kind reply. Yes, we made several tests and transformers using Japanese steel, which has mechanical scribed domain refined instead of regular standard laser-scribed. The first one is immune to annealed because mechanical scribed improve the grain's bloch walls inter...
  2. F.Yermanos

    Annealing Hi-B DR distribution transformers wound cores

    Hello, i work on design and R&D in a transformers enterprise. I've seen that many of the CRGO steel mills, are switching their production lately from standard CRGO steel to hi grades like HiB or HiB DR silicon steels. This is also a countermeasure from the regular silicon steel market to...
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