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Sintered AlNiCo

Alnico (AlNiCo) is the first developed a permanent magnet is made of aluminum, nickel, cobalt, iron and other trace metals composition of an alloy.According to different production process is divided into sintered Alnico (Sintered AlNiCo), and cast aluminum nickel and cobalt (Cast AlNiCo).Product shape of the round and square.Sintered products limited to the small size, their production out of rough tolerance is better than the rough cast product can be better workability.

Character of Sintered AlNiCo magnets

Compact crystal, high intensity, good chemistry Stability, strong anti-corrosion.
Even elements, excellent and stable magnetic performance;
Excellent temperature stability (temp. coefficient of Br is the smallest among all of the other permanent magnets.)
Highest usage temperature reach 500â„ƒ
uitable for small volume and complex shape and magnet assemble for sintered Alnico.

Application of Sintered AlNiCo magnets

Inner magnetic voltmeter/ammeter, electronic type power energy measuring instrument, avometer, flow meter;
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 motor, adsorptive appliance;
idely applied in high stability fields as aviation and military technology.

Magnetic properties and physical characteristics
of sintered AINiCo permanent magnets

Grade	(BH)max KJ/m3	Br mT	Hcb kA/m	Hcj kA/m	d g/cm3	Î±(Br) %/K	Tc â„ƒ	Remarks
ALNiCo4/1	3.2-4.8	870-890	9-11	10-12	6.8	-0.02	750	isotropy
ALNiCo8/5	8.5-9.5	530-620	45-50	47-52	6.8	-0.02	750
ALNiCo10/5	9.5-11	630-700	48-56	50-58	6.8	-0.02	780
ALNiCo12/5	11-13	700-750	50-56	53-58	7.0	-0.02	800
ALNiCo14/5	13-15	730-800	47-50	50-53	7.1	-0.02	790
ALNiCo14/6	14-16	620-810	56-64	58-66	7.1	-0.02	790
ALNiCo14/8	14-16	550-610	75-88	80-92	7.1	-0.01	850
ALNiCo18/10	16-19	570-620	92-100	99-107	7.2	-0.01	860
ALNiCo35/5	35-39	1100-1200	48-52	50-54	7.20	-0.02	850	Anisotropy
ALNiCo29/6	29-33	970-1090	58-64	60-66	7.20	-0.02	860
ALNiCo32/10	33-38	770-870	90-104	94-109	7.20	-0.01	860
ALNiCo33/11	33-38	700-800	107-115	111-119	7.20	-0.01	860
ALNiCo39/12	39-43	830-900	115-123	119-127	7.25	-0.01	860
ALNiCo44/12	44-48	900-950	119-127	124-132	7.25	-0.01	860
ALNiCo37/15	37-41	700-800	143-151	150-158	7.10	-0.1	870

Detailed Description

Application:

Sintered Alnico made by powder metallurgy method of production, for production of complex shape, light, thin, small products, widely used in instrumentation, communications, magnetic switches and various sensors.

what is the Sintered AlNiCo?
Features:Crystalline density, high strength, corrosion resistance is strong,Ingredients, magnetic properties of excellent,Good temperature stability (Br temperature coefficient is the youngest of all kinds of permanent magnet),The highest temperature reaches 500 degrees Celsius,Can produce magnets, sintering, small size, shape of complex magnets and composite magnets.

Sintered AlNiCo process and applications
Production process:Incoming Inspection-----Mixing----Powder---Pressing---Sintering----Magnetic Heating Treatment---Magnetic Testing---Shape Processing----Final Inspection-----Packing and Delivery.
Mainly used in motor, sensors, medical instrument, manual tools, tweeters and various kinds of instrument.