Cast Alnico Magnet
1.Certification: ISO9001:2000
2.Excellent temperature stability
3.Low coercive force
4.Various shapes

Sintered AlNiCo Permanent Magnet AlloyGeneral Description

   1, Alnico magnet material is made by alloying aluminum, nickel and cobalt with iron.

   2, Some grades also contain copper and/or titanium. The alloying process is casting or sintering.

   3, These constituents, the process and the heat treatment needed to optimize magnetic properties produces hard (Rc45) and brittle parts that are best shaped or finished by abrasive grinding.

   4, Sintered Alnico magnet, which are also alumium-nickel-cobalt iron alloys, is usually restricted to smaller sizes. it has slightly lower magnetic properties, but better mechanical strength than cast alnico magnet.

   5, Sintered Alnico magnet is widely used in all kinds of sensors, meters, controller speedometer and other applications.

   6, Sintered alnico magnets have slightly lower magnetic properties, however they have excellent mechanical properties.

   7, Alnico magnets are excellent choices for applications involving vibration and shock as they have good resistance to demagnetization.

 Application:Inner magnetic voltmeter/ammeter, electronic type power energy measuring instrument, avometer, flow meter A wide range of magnetic sensor, polarized relay, temperature and pressure controller Buzzer of mobile phone, hearing aids, mini speaker Lighter of automobile, odometer of automobile and motorcycle, permanent magnet motor, absorptive appliance Widely applied in high stability fields, such as aviation, spaceflight and military technology.  Characteristics:Suitable for small volume magnets with complex shape Compact crystal, high intensity Regular shape, precision size Even elements, stable performance Suitable for compound magnet Excellent temperature stability (temp. coefficient of Br is the smallest among all of the other permanent magnets.) Typical Magnetic Performance Range for Sintered Alnico Magnet

Grade	Br		Hc		(BH)max		Tc	Tw	Temp. Coefficient α(Br)	MMPA Equivalent	Remark
	mT	KGs	KA/m	Oe	KJ/m3	MGOe	°C	°C	%/°C
FLN8	550	5.5	42	530	9.0	1.13	760	450	-0.022	[S.Alnico3]	Isotropy
FLNG12	700	7	48	600	12.4	1.55	810	450	-0.014	[S.Alnico2]
FLNGT18	580	5.8	90	1130	18.0	2.20	860	450	-0.020	[S.Alnico7]
FLNG34	1100	11	48	600	34.0	4.25	890	450	-0.016	[S.Alnico5]	Anisotropy
FLNGT28	1000	10	56	700	28.0	3.50	850	450	-0.020	[S.Alnico6]
FLNGT38	800	8	120	1500	38.0	4.75	850	450	-0.020	[S.Alnico8]
FLNGT42	850	8.5	120	1500	42	5.25	820	450	-0.020
FLNG33J	680	6.8	140	1750	33.0	4.13	850	450	-0.025	[S.Alnico8HC]

 

 

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