MULTILAYER BLOCK CORE, MULTILAYER BLOCK, AND METHOD FOR PRODUCING MULTILAYER BLOCK

摘要

A multilayer block core includes a multilayer block in which nanocrystalline alloy ribbon pieces are layered, the nanocrystalline alloy ribbon pieces having a composition represented by the following Composition Formula (A). €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒFe 100-a-b-c-d B a Si b Cu c M d €ƒ€ƒ€ƒ€ƒ€ƒComposition Formula (A) In Composition Formula (A), each of a, b, c, and d is an atomic percent; the expressions 13.0 ‰¤ a ‰¤ 17.0, 3.5 ‰¤ b ‰¤ 5.0, 0.6 ‰¤ c ‰¤ 1.1, and 0 ‰¤ d ‰¤ 0.5 are satisfied; and M represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W.