FIELD: metallurgy; alloys used for producing transformers, reactors, and toroidal spiral cores.
SUBSTANCE: proposed Fe-Co-Ni base magnetically soft amorphous alloy is produced in the form of strip in the course of casting flat flow of melt on cooling body surface and high-speed hardening. Alloy composition formula is (Fe-Co-Ni)aAbLcBae, where A are amorphous-rendering elements: B, Si, P; L are alloying elements: V, Cr, Mn, Ge, Zr, Nb, Mo, W, Bi, Cu, proportion of ingredients being as follows, atom percent: 12 ≤ b ≤ 22; 0 ≤ c ≤ 7; 0.1 ≤ e ≤ 0.8; a is the rest. In the process strip can be obtained of different thickness and free from surface flaws and ruptures within single continuous casting cycle.
EFFECT: enhanced melt fluidity and density, reduced surface porosity of strip.
1 cl, 3 tbl, 3 ex
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