Abstract
Fe80-xCoxZr7Mo2B10M1(x=10, 20, 30, 40; M=Cu/Ge) amorphous alloy ribbons prepared by melt spinning were annealed at crystallization peak temperatures. The crystallization peak temperature decreases with increasing Co content. The primary crystallization phase of all alloys is only α-Fe(Co) phase. The effects of Co content on grain size (D) and coercivity (Hc) of Cu-containing alloy and on those of Ge-containing alloys are different, i.e., with increasing Co content, both D and Hc of Cu-containing alloys increase gradually, but for Ge-containing alloys, both D and Hc decrease obviously and are still larger than those of Cu-containing alloys. Co content has few effects for the Cu-containing alloys, but it has significant effects for the Ge-containing alloys.
Published Version
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