全高丰度稀土<strong>(Ce, La, Y)-Fe-B</strong>永磁的研究现状和未来发展

全高丰度稀土(Ce, La, Y)-Fe-B永磁的研究现状和未来发展

刘仲武, 周帮, 廖雪峰, 何家毅

Research Status and Future Development of (Ce, La, Y)-Fe-B Permanent Magnets Based on Full High-Abundance Rare Earth Elements

LIU Zhongwu, ZHOU Bang, LIAO Xuefeng, HE Jiayi

表2 基于高丰度稀土Ce、La、Y的RE-Fe-B快淬合金的硬磁性能^{[17,19,21~23,28,29,35,36,38,40,42~48]}

Table 2 Magnetic properties of reported Ce-, La-, and Y-based RE-Fe-B melt-spun alloys^{[17,19,21-23,28,29,35,36,38,40,42-48]}

Type of alloy	Composition	H_cj kA·m^-1	J_r T	J_s T	(BH)_max kJ·m^-3	T_C K	300-400 K		Ref.
Type of alloy	Composition	H_cj kA·m^-1	J_r T	J_s T	(BH)_max kJ·m^-3	T_C K	α / (%·K^-1)	β / (%·K^-1)	Ref.
Ternary	Ce₂Fe₁₄B	211	0.42	1.08	17.0	424	-	-	[19]
	Ce₂Fe₁₄B	207	0.57	1.07	28.6	420	-0.623	-0.536	[40]
	Ce₁₀Fe₈₄B₆	135	0.60	1.19	11.3	-	-	-	[21]
	Ce₁₂Fe₈₂B₆	167	0.59	-	21.0	-	-	-	[43]
	Ce₁₆Fe₇₇B₆	367	0.47	0.90	33.3	-	-	-	[17]
	Ce₁₇Fe₇₇B₆	344	0.43	0.77	28.5	420	-	-	[44]
	Ce₁₆Fe₇₈B₆	350	0.49	0.93	33.8	420	-0.54	-0.74	[44]
	Ce₁₇Fe₇₈B₆	494	0.49	-	33.0	-	-	-	[22]
	Ce₁₇Fe₇₈B₆	438	0.46	-	34.2	424	-0.500	-0.663	[23]
	Ce₁₇Fe₇₈B₆	352	0.43	-	29.0	425	-0.56	-0.75	[45]
	La₂Fe₁₄B	14	0.11	-	-	-	-	-	[29]
	Y₂Fe₁₄B	149	0.88	1.43	54.1	553	-0.154	-0.03	[35]
	Y_2.5Fe₁₄B	230	0.75	1.27	51.7	542	-	-	[35]
	Y₃Fe₁₄B	281	0.72	1.18	42.2	546	-	-	[35]
	Y₁₆Fe₇₈B₆	240	0.61	-	21.0	-	-	-	[36]
Quaternary	(Ce_0.9La_0.1)₂Fe₁₄B	251	0.65	1.12	46.2	434	-0.402	-0.442	[40]
	(Ce_0.8La_0.2)₂Fe₁₄B	235	0.68	1.15	47.9	443	-0.356	-0.328
	(Ce_0.7La_0.3)₂Fe₁₄B	214	0.69	1.16	49.1	456	-0.292	-0.299
	(Ce_0.7La_0.3)₂Fe₁₄B	183	0.67	-	37.0	-	-	-
	(Ce_0.6La_0.4)₂Fe₁₄B	203	0.72	1.19	47.0	468	-0.259	-0.286
	(Ce_0.5La_0.5)₂Fe₁₄B	197	0.68	1.14	40.8	476	-0.220	-0.261
	(Ce_0.4La_0.6)₂Fe₁₄B	163	0.66	1.12	34.4	487	-0.207	-0.225
	(Ce_0.3La_0.7)₂Fe₁₄B	134	0.59	1.04	21.3	493	-0.179	-0.208
	(Ce_0.2La_0.8)₂Fe₁₄B	32	0.37	0.87	2.5	508	-	-
	(Ce_0.1La_0.9)₂Fe₁₄B	9	0.30	1.17	1.5	-	-	-
	(Ce_0.7La_0.3)_2.5Fe₁₄B	345	0.60	1.04	50.1	-	-	-	[38]
	(Ce_0.7La_0.3)₃Fe₁₄B	439	0.69	1.12	61.1	-	-	-
	(Ce_0.7La_0.3)₃Fe₁₄B	362	0.56	1.00	46.2	-	-	-
	(Ce_0.7La_0.3)_3.5Fe₁₄B	406	0.53	0.97	41.5	-	-	-
	(Ce_0.7La_0.3)₄Fe₁₄B	436	0.50	0.89	38.5	-	-	-
	(Ce_0.9La_0.1)₁₇Fe₇₈B₆	520	0.52	0.94	41.8	427	-0.463	-0.631
	(Ce_0.8La_0.2)₁₇Fe₇₈B₆	453	0.55	0.96	43.2	432	-0.437	-0.582
	(Ce_0.7La_0.3)₁₇Fe₇₈B₆	332	0.58	1.05	46.9	442	-	-
	(Y_0.9La_0.1)₂Fe₁₄B	140	0.86	1.41	52.1	552	-0.146	0.05	[28]
	(Y_0.8La_0.2)₂Fe₁₄B	138	0.83	1.40	46.2	550	-0.140	0.04
	(Y_0.7La_0.3)₂Fe₁₄B	133	0.81	1.39	43.5	547	-0.145	0.03
	(Y_0.6La_0.4)₂Fe₁₄B	122	0.79	1.38	39.4	543	-0.152	-0.02
	(Y_0.5La_0.5)₂Fe₁₄B	108	0.74	1.37	30.4	540	-0.160	-0.07
	(Y_0.4La_0.6)₂Fe₁₄B	92	0.71	1.36	26.2	536	-	-
	(Y_0.3La_0.7)₂Fe₁₄B	86	0.65	1.31	20.8	532	-	-
	(Y_0.2La_0.8)₂Fe₁₄B	60	0.56	1.12	5.1	528	-	-
	(Y_0.1La_0.9)₂Fe₁₄B	27	0.51	1.26	3.4	-	-	-
Quaternary	(Y_0.9Ce_0.1)₂Fe₁₄B	156	0.85	1.40	56.1	543	-0.153	0.009	[46]
	(Y_0.8Ce_0.2)₂Fe₁₄B	163	0.82	1.37	52.0	529	-0.164	-0.012
	(Y_0.7Ce_0.3)₂Fe₁₄B	170	0.78	1.33	51.1	519	-0.189	-0.079
	(Y_0.6Ce_0.4)₂Fe₁₄B	187	0.76	1.29	48.4	507	-0.209	-0.153
	(Y_0.5Ce_0.5)₂Fe₁₄B	211	0.75	1.25	49.8	493	-0.218	-0.182
	(Y_0.4Ce_0.6)₂Fe₁₄B	202	0.71	1.21	40.2	481	-0.276	-0.305
	(Y_0.3Ce_0.7)₂Fe₁₄B	207	0.68	1.16	40.3	465	-0.285	-0.342
	(Y_0.2Ce_0.8)₂Fe₁₄B	217	0.64	1.13	39.5	449	-0.319	-0.391
	(Y_0.1Ce_0.9)₂Fe₁₄B	209	0.62	1.10	25.5	435	-0.410	-0.488
	(Y_0.5Ce_0.5)₁₇Fe₇₈B₆	323	-	-	40.0	519	-	-	[47]
Quinary	[(Ce_0.7La_0.3)_0.9Y_0.1]₂Fe₁₄B	212	0.71	1.19	51.7	464	-0.277	-0.288
	[(Ce_0.7La_0.3)_0.8Y_0.2]₂Fe₁₄B	207	0.74	1.23	57.3	475	-0.246	-0.256	[48]
	[(Ce_0.7La_0.3)_0.7Y_0.3]₂Fe₁₄B	204	0.75	1.25	54.9	487	-0.236	-0.182
	[(Ce_0.7La_0.3)_0.6Y_0.4]₂Fe₁₄B	186	0.76	1.28	51.4	494	-0.213	-0.163
	[(Ce_0.7La_0.3)_0.5Y_0.5]₂Fe₁₄B	167	0.77	1.34	48.0	506	-0.199	-0.051
	[(Ce_0.7La_0.3)_0.8Y_0.2]₁₇Fe₇₈B₆	354	0.70	1.07	56.5	481	-	-0.246	[42]
	[(Ce_0.8La_0.2)_0.7Y_0.3]₁₇Fe₇₈B₆	400	0.63	-	58.9	488	-0.255	-0.241
	[(Ce_0.8La_0.2)_0.5Y_0.5]₁₇Fe₇₈B₆	332	0.66	-	60.0	515	-0.197	-0.102