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The effect of Cu addition on crystallization behavior and soft magnetic properties of Fe 84xP10C6 Cux (x= 0 1.15) alloys was investigated. Low-cost FePCCu nanocrystalline alloys dispersed with α-Fe phase with an average grain size of 15-35nm were obtained by appropriately annealing the melt-spun ribbons at 683K for 5min. The Fe 83.25P10C6Cu0.75 nanocrystalline alloy exhibits a high B s of 1.65T, low H c of 3.3A/m and high eat 1kHz of21 100, which is superior to the traditional FePC soft magnetic alloys. The core loss is as low as 0.32W/kg at1.0 T and 50Hz, which is 60% that of nonoriented Fe 6.5 mass% Si-steel. It is encouraging to synthesize this Fe-based nanocrystalline alloy with excellent soft-magnetic properties even using commercially industry-grade raw materials, which is promising for the future industrial applications.
The effect of Cu addition on crystallization behavior and soft magnetic properties of Fe 84xP10C6 Cux (x = 0 1.15) alloys was investigated. Low-cost FePCCu nanocrystalline alloys dispersed with α-Fe phase with an average grain size of 15-35 nm were obtained by The annealing of the melt-spun ribbons at 683K for 5 min. The Fe 83.25P10C6Cu0.75 nanocrystalline alloy exhibits a high Bs of 1.65 T, a low H c of 3.3 A / m and high eat 1 kHz of 21 100, which is superior to the traditional FePC soft magnetic alloys. The core loss is as low as 0.32 W / kg at 1.0 T and 50 Hz, which is 60% that of nonoriented Fe 6.5 mass% Si-steel. It is encouraged to synthesize this Fe-based nanocrystalline alloy with excellent soft-magnetic properties even using commercial industry-grade raw materials, which is promising for the future industrial applications.