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Shanghai Richmag Electronics Co., Ltd.

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AlNICo Magnet

AlNICo Magnet

AlNiCo magnet is a alloy composed by Al, Ni, Co, Fe and other little metal elements, including Sintered AlNiCo and Cast AlNiCo.

Casting process can make into AlNiCo with different sizes and shapes; sintered products are limited to small size and lower property,

while its dimension tolerance and machinability are better.

The advantages of the AlNiCo magnet are its high remanence and low temperature coefficient which is 1.35T and -0.02%/℃.And

the maximum working temperature can reach to 520℃ or so. The disadvantages are .But the AlNiCo magnet has a very low coercive

force (Hcb) and nolinear demagnetizing curve. So, though AlNiCo magnet is easy to be magnetized, it is also easy to be demagnetized..

Sintered AlNiCo Property:

牌号Grade	最大磁能积（BH）max		剩磁Br		内禀矫顽力 Hcj		矫顽力Hcb		密度Density	温度系数Temperature coefficient	居里温度 Curie Temperature	备注Remark
牌号Grade	Kj/cm3	MGOe	mT	Gs	KA/m	Oe	KA/m	Oe	g/cm3	%/k	Tc ℃	备注Remark
FLN8	8-10	1.0-1.25	520	5200	43	540	40	500	6.7	-0.0020	760	各向同性Isotropic
FLNG12	12-14	1.5-1.75	700	7000	43	540	40	500	7.1	-0.014	810
FLNGT18	14-16	1.75-2.0	570	5700	78	980	76	950	7.2	-0.020	850
FLNG28	18-22	2.25-2.75	600	6000	107	1350	95	1200	7.2	-0.020	850	各向异性Anisotropic
FLNG34	28-33	3.5-4.15	1050	10500	47	590	46	580	7.2	-0.016	890
FLNGT28	34-38	4.3-4.8	1100	11000	51	640	50	630	7.2	-0.016	850
FLNG38J	38-40	4.75-5.0	730	7300	163	2050	151	1900	7.2	-0.200	850
FLNGT38	38-42	4.75-5.3	800	8000	126	1580	123	1550	7.2	-0.020	850
FLNGT42	42-48	5.3-6.0	880	8800	122	1530	120	1500	7.25	-0.020	850

Sintered AlNiCo Prodution Prosess:

Cast AlNiCo Property:

牌号Grade	美国标准Equal to MMPA	最大磁能积（BH）max		剩磁 Br		矫顽力 Hcb		密度Density	温度系数Temperature coefficient	居里温度 Curie Temperature	备注Remark
牌号Grade	美国标准Equal to MMPA	Kj/cm3	MGOe	mT	Gs	KA/m	Oe	g/cm3	%/k	Tc ℃	备注Remark
LN9	Alnico1	9.0	1.13	680	6800	30	380	6.9	-0.03	760	各向同性Isotropic
LN10	Alnico1	10.0	1.20	600	6000	40	500	6.9		760
LNG12	Alnico2	12.4	1.55	720	7200	45	500	7.0		810
LNG13	Alnico2	13.0	1.60	700	7000	48	600	7.0		810
LNG34	Alnico5	34.0	4.30	1200	12000	48	600	7.3	-0.02	860	各向异性Anisotropic
LNG37	Alnico5	37.0	4.65	1200	12000	48	600	7.3
LNG40	Alnico5DG	40.0	5.00	1250	12500	48	600	7.3
LNG44	Alnico5DG	44.0	5.50	1250	12500	52	650	7.3
LNG52	Alnico5-7	52.0	6.50	1300	13000	56	700	7.3
LNGT28	Alnico6	28.0	3.50	1000	10000	58	720	7.3	-0.025	860
LNGT36J	Alnico8H	36.0	4.50	700	7000	140	1750	7.3
LNGT32	Alnico8	32.0	4.0	800	8000	100	1250	7.3
LNGT40	Alnico8	40.0	5.0	800	8000	110	1380	7.3
LNGT60	Alnico9	60.0	7.50	900	9000	110	1380	7.3
LNGT72	Alnico9	72.0	900	1050	10500	112	1400	7.3

Cast AlNiCo Prodution Prosess: