B含量调控Fe98.5 -x B x Cu1.5 纳米晶合金组织结构和磁性能

B含量调控Fe_98.5_-_x B _x Cu_1.5 纳米晶合金组织结构和磁性能

朱春健, 李艳辉, 朱正旺, 吴立成, 张海峰, 张伟

Regulation of Structure and Magnetic Properties of Fe_98.5_-_x B _x Cu_1.5 Nanocrystalline Alloys Based on B Content

ZHU Chunjian, LI Yanhui, ZHU Zhengwang, WU Licheng, ZHANG Haifeng, ZHANG Wei

表1 Fe_{98.5 -}_x B _x Cu_1.5 (x = 12~18)快淬合金以及经最佳温度(T_oa)热处理60 min后合金的热分析和磁性能分析结果

Table 1 Thermal analysis and magnetic property analysis results of melt-spun Fe_{98.5 -}_x B _x Cu_1.5 (x = 12-18) alloys and the alloys after annealing at T_oa for 60 min

x	T_x1 K	T_x2 K	ΔT K	N_d m^-3	$\bar{d}$ _α_-Fe nm	T_oa K	$\bar{D}$ _α_-Fe nm	V_α_-Fe %	B_s T	H_c A·m^-1
12	599	769	170	1.0 × 10²³	12.6	658	22.8	68.1	1.93	84.6
13	612	767	155	-	-	658	16.2	65.7	1.91	22.7
14	622	767	145	-	-	658	15.8	61.1	1.88	20.2
15	634	765	131	5.9 × 10²²	4.8	658	16.0	60.2	1.86	18.9
16	644	765	121	-	-	658	16.3	59.6	1.80	19.3
17	659	762	103	-	-	658	18.7	47.0	1.67	30.1
18	679	747	68	2.7 × 10²¹	2.8	673	28.2	42.9	1.44	304.1