PERMANENT MAGNET MECHANICAL AND PHYSICAL PROPERTIES

The following tables summarize the mechanical and physical properties of the different types of KOLEKTOR MAGNET TECHNOLOGY GmbH permanent magnets.

This information can be downloaded (magnet_mechandphys.pdf 53 KB) for reference purposes.

Bonded Products

		Bonded Ferrite			Hybrid Injection Molded Ferrite/ NdFeB	Injection Molded NdFeB	Comp. Molded NdFeB
		Koerox I */* PA 1 to 10	Koerox I */* PS 11, 12, 14	Koerox I 8/20 PS 13	Koerox HI All	Koerdym I All	Koerdym C All
Density	g/cm3	2.6 - 3.8	3.4 - 3.6	3.15	3.8 - 4.0	5.0 - 5.4	5.9 - 6.1
Curie Temperature	°C	450	450	450		300 - 470	300 - 470
Vickers Hardness	HV
Compressive Strength	MPa						80 - 120
Flexural Strength	MPa	80 - 100	50 - 70	60 - 80	70 - 90	60 - 80
Young's Modulus	GPa	4 - 5.5					0.7 - 1.0
Thermal Conductivity	W/(m·K)						2
Coefficient of Thermal Expansion	// 10-6/K	30 - 50	30 - 50	30 - 50	30 - 50	60 - 80	10 - 30
Electrical Resistivity	10-6 Ohm·m	.01	.01	.01		40 - 70	10 - 30
Specific Heat	J/(kg·K)	199	25				400
Tensil Strength	MPa	40 - 50	30 - 40	50 - 80	20 - 30	25 - 40	37
Elongation at Fracture	%	0.8 - 2.5		0.1 - 0.3	0.2 - 0.4	0.3 - 0.6

Sintered Products