neodymium-iron-boron magnet (NdFeB) - LOGIMAG - (Version JPG) - PDF Catalogue | Technical Documentation

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Holding magnet, Neodymium magnet, Flexible magnet, Magnetic strip, Magnet

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Sintered Neodymium Rare Earth Magnet

Material Information

■ Produce by powder metallurgical method with chemical composition of Nd₂Fe₁₄B

■ Very brittle & hard

■ Poorest corrosion resistance of all commercial magnetic material.

■ High resistance to demagnetization

■ Excellent cost to performance ratio

■ Reasonable temperature stability

■ Not suitable for application which exposed in high temperature conditions

Typical Physical Properties

Parameter

^oC ^oC Hv g/cm³^rec kOe (kA/m) %/°C %/°C uQ.cm

Curie Temperature

Maximum Operating Temperature

Hardness

Density

Relative Recoil Permeability Saturation Field Strength Temperature Coefficient of Br Temperature Coefficient of iHc Resistivity

310-370 80-180 560-580 7.40 1.05

30-40 (2,400-3,200) -0.12 ~ -0.10 -0.6 160

Surface Treatments

Information

Zinc, Nickel, Nickel+Nickel, Nickel+Tin, Nickel+Copper+Nickel, Gold Epoxy, Nickel+Epoxy coating Surface Passivation

Type Metallic Organic Temporary

Dimension Range / Nominal Tolerance


Ring	Outer Dia.	Inner Dia.	Thickness	Disc		Diameter	Thickness
Maximum	100mm	95mm	50mm		Maximum	100mm	50mm
Minimum	1.0mm	0.5mm	0.5mm	Minimum		1mm	0.5mm
Tolerance	+/-0.05mm	+/-0.05mm	+/-0.05mm		Tolerance	+/-0.05mm	+/-0.05mm
Block	Length	Width	Thickness	Segment & other irregular shapes
Maximum	100mm	100mm	50mm
Maximum	100mm	100mm	50mm		Can be manufacture according to customer's sample or blue print.
Minimum	1.0mm	0.5mm	0.5mm
Tolerance	+/-0.05mm	+/-0.05mm	+/-0.05mm

LOGIMAG Ltd.

Unit A5, 5/F., Phase6, Hong Kong Spinners Industrial Building., 481 Castle Peak Road, Cheung Sha Wan, Kowloon, Hong Kong. tel: +852 23100838 fax:+852 23100883 email: info@logimag.com url: www.logimag.com

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neodymium-iron-boron magnet (NdFeB) - LOGIMAG - #1

Holding magnet, Neodymium magnet, Flexible magnet, Magnetic strip, Magnet