SmCo磁石 VACOMAX

高温アプリケーション向け希土類永久磁石

サマリウム・コバルト磁石 VACOMAX^® は、特に高い保磁力と同時に高い飽和分極率を持ち、優れた温度安定性と耐食性を備えています。

特長:

高温環境アプリーションに最適 (合金により最高350 °Cまで)
腐食性媒体に対する高い耐食性
通常コーティングは不要
キュリー温度が高いため、温度上昇に伴う磁気特性の低下が少ない

Typical Applications
Technical Specification

Servo motors
Automotive applications (e.g. sensors...)
High end sport cars
Aviation

Magnets out of VACOMAX are produced by sintering using powder metallurgical processes. Depending on form, quantities, dimensions, tolerances and magnetic properties the magnets are produced out of bigger (isostatically) pressed blocks or die-pressed.

The magnetic properties are influenced by the alloy composition and the pressing method. Three different processes are possbile which are reflected in the alloy name with the letters HR, TP or AP. HR (High Remanence) refers to isostatically pressed magnets. In die-pressed design we differentiate between TP (Transverse-Pressed) and AP (Axial-Pressed)

When die-pressing, the powder particles are aligned by strong magnetic fields parallel (axial field for AP-grades) or perpendicular (transverse fields for TP-grades) to the direction of pressing depending on the geometry of the part. Isostatically or transverse-field pressed parts have an about 5 to 8 % higher remanence compared to axial-field pressed magnets.

Typical Applications

Servo motors
Automotive applications (e.g. sensors...)
High end sport cars
Aviation

Technical Specification

Magnets out of VACOMAX are produced by sintering using powder metallurgical processes. Depending on form, quantities, dimensions, tolerances and magnetic properties the magnets are produced out of bigger (isostatically) pressed blocks or die-pressed.

The magnetic properties are influenced by the alloy composition and the pressing method. Three different processes are possbile which are reflected in the alloy name with the letters HR, TP or AP. HR (High Remanence) refers to isostatically pressed magnets. In die-pressed design we differentiate between TP (Transverse-Pressed) and AP (Axial-Pressed)

When die-pressing, the powder particles are aligned by strong magnetic fields parallel (axial field for AP-grades) or perpendicular (transverse fields for TP-grades) to the direction of pressing depending on the geometry of the part. Isostatically or transverse-field pressed parts have an about 5 to 8 % higher remanence compared to axial-field pressed magnets.

サマリウム・コバルト磁石 VACOMAX®

<p>製品</p>	B_r min. [T]	B_r min. [kG]	H_cB min. [kA/m]	H_cB min. [kOe]	H_cJ min. [kA/m]	H_cJ min. [kOe]	(BH)_max. typ. [kJ/m³]	(BH) (max.) (typ.)[MGOe]	TK(B_r RT-100°C) [%/°C]	TK(H_cJ RT-100°C) [%/°C]	TK(B_r RT-150°C) [%/°C]	TK(H_cJ RT-150°C) [%/°C]
VACOMAX 145 S	0.85	8.5	600	7.5	1990	25	160	20	-0.04	-0.14	-0.05	-0.15
VACOMAX 225 HR	1.03	10.3	720	9	1590	20	225	28	-0.03	-0.18	-0.04	-0.19
VACOMAX 225 AP	0.97	9.7	680	8.5	1590	20	200	25	-0.03	-0.18	-0.04	-0.19
VACOMAX 240 HR	1.05	10.5	600	7.5	640	8	240	30	-0.03	-0.15	-0.04	-0.16
VACOMAX 170 HR	0.95	9.5	710	8.9	1195	15	200	25	-0.04	-0.21	-0.05	-0.22
VACOMAX 262 HR	1.15	11.5	844	10.6	1750	22	262	33	-0.04	-0.26	-0.04	-0.26
VACOMAX 225 TP	1.03	10.3	720	9	1590	20	215	27	-0.03	-0.18	-0.04	-0.19
VACOMAX 262 TP	1.12	11.2	780	9.8	1590	20	254	32	-0.04	-0.26	-0.04	-0.26
VACOMAX 262 HRP	1.17	11.7	860	10.8	1710	21.5	265	33	-0.04	-0.26	-0.04	-0.26
VACOMAX 175 AP *	0.95	9.5	680	8.5	1990	25	195	15	-0.05	-0.29	-0.06	-0.28
VACOMAX 190 HR *	1.01	10.1	755	9.5	1195	15	215	27	-0.05	-0.32	-0.06	-0.31