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Magnetic Properties of Alnico Magnets (Aluminium-Nickel-Cobalt)

 

Magnetic Properties of Casted Alnico

Ref. No.	Material Grade	Remanence		Intrinsic Coercivity		Max. Energy Product
		Br (mT)	Br (kGs)	iHc (kA/m)	iHc (kOe)	(BH)max (KJ/m3)	(BH)max (MGOe)
Alnico 3	*LN9	680	6.8	30	0.38	9.0	1.13
	*LN10	600	6.0	39.8	0.50	10.0	1.20
Alnico 2	*LNG12	720	7.2	39.8	0.5	12.4	1.55
	*LNG13	700	7.0	48.0	0.60	12.8	1.60
Alnico 5	LNG37	1200	12.0	48.0	0.60	37.0	4.65
	LNG40	1250	12.5	48.0	0.60	40.0	5.0
	LNG44	1250	12.5	52.0	0.65	44.0	5.5
Alnico 5DG	LNG52	1300	13.0	56.0	0.70	52.0	6.5
Alnico 5-7	LNG60	1350	13.5	59.0	0.74	60.0	7.5
Alnico 6	LNGT28	1000	10.0	58.0	0.72	28.0	3.5
Alnico 8HC	LNGT36J	700	7.0	140.0	1.75	36.0	4.5
Alnico 8	*LNGT18	580	5.8	100.0	1.25	18.0	2.2
Alnico 8	LNGT32	800	8.0	100.0	1.25	32.0	4.0
	LNGT40	800	8.0	110.0	1.38	40.0	5.0
Alnico 9	LNGT60	900	9.0	110.0	1.38	60.0	7.5
	LNGT75	1050	10.5	112.0	1.4	72.0	9.0

Note: * means isotropy

Magnetic Properties of Sintered Alnico

Material Grade	Remanence		Coercivity		Intrinsic Coercivity		Max. Energy Product
	Br (mT)	Br (kGs)	bHc (kA/m)	bHc (kOe)	iHc (kA/m)	iHc (kOe)	(BH)max (KJ/m3)	(BH)max (MGOe)
*FLN8	520	5.2	40	0.5	43	0.54	8-10	1.0-1.25
*FLNG12	700	7.0	40	0.5	43	0.54	12-14	1.5-1.75
*FLNGT14	570	5.7	76	0.95	78	0.98	14-16	1.75-2.00
*FLNGT18	560	5.6	88	1.1	90	1.13	18-22	2.25-2.75
FLNG28	1050	10.5	46	0.58	47	0.59	28-33	3.5-4.15
FLNG34	1100	11.0	50	0.63	51	0.64	34-38	4.3-4.8
FLNGT28	1000	10.0	56	0.7	57	0.71	28-30	3.5-3.8
FLNGT31	780	7.8	104	1.3	90	1.13	31-36	3.9-4.5
FLNG33J	650	6.5	135	1.7	150	1.88	33-36	4.15-4.5
FLNGT38	800	8.0	123	1.55	126	1.58	38-42	4.75-5.3
FLNGT42	880	8.8	120	1.5	122	1.53	42-48	5.3-6.0

Note: * means isotropy

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