烧结钕铁硼是目前性能最高的永磁材料之一,随着它的出现而相应出现了许多高科技产品,特别在电机中的应用,使许多产品向小型化、微型化发展。烧结钕铁硼的高剩磁、高矫顽力及高磁能积,使其广泛应用于伺服电机、扁平无刷电机与步进电机、IT产品、核磁共振、扬声器等产品中。由于钕铁硼磁铁容易生锈氧化,所以对其表面通常作电镀处理,如镀锌、镍、银、金等,也可以做磷化处理或喷环氧树脂来减慢其氧化速度。
| 烧结钕铁硼磁性能表 |
牌号 |
剩磁 |
矫顽力 |
内禀矫顽力 |
最大磁能积 |
最大工作温度 |
Br |
Hcb |
Hcj |
( BH ) max |
mT |
kGs |
kA/m |
kOe |
kA/m |
kOe |
kJ/m3 |
MGOe |
N27 |
1030-1080 |
10.3-10.8 |
≥796 |
≥10.0 |
≥955 |
≥12 |
199-231 |
25-29 |
80 ℃ |
N30 |
1080-1130 |
10.8-11.3 |
≥796 |
≥10.0 |
≥955 |
≥12 |
223-247 |
28-31 |
80 ℃ |
N33 |
1130-1170 |
11.3-11.7 |
≥836 |
≥10.5 |
≥955 |
≥12 |
247-271 |
31-34 |
80 ℃ |
N35 |
1170-1220 |
11.7-12.2 |
≥868 |
≥10.9 |
≥955 |
≥12 |
263-287 |
33-36 |
80 ℃ |
N38 |
1220-1250 |
12.2-12.5 |
≥899 |
≥11.3 |
≥955 |
≥12 |
287-310 |
36-39 |
80 ℃ |
N40 |
1250-1280 |
12.5-12.8 |
≥907 |
≥11.4 |
≥955 |
≥12 |
302-326 |
38-41 |
80 ℃ |
N42 |
1280-1320 |
12.8-13.2 |
≥915 |
≥11.5 |
≥955 |
≥12 |
318-342 |
40-43 |
80 ℃ |
N45 |
1320-1380 |
13.2-13.8 |
≥923 |
≥11.6 |
≥955 |
≥12 |
342-366 |
43-46 |
80 ℃ |
N48 |
1380-1420 |
13.8-14.2 |
≥923 |
≥11.6 |
≥876 |
≥12 |
366-390 |
46-49 |
80 ℃ |
N50 |
1400-1450 |
14.0-14.5 |
≥796 |
≥10.0 |
≥876 |
≥11 |
382-406 |
48-51 |
60 ℃ |
N52 |
1430-1480 |
14.3-14.8 |
≥796 |
≥10.0 |
≥876 |
≥11 |
398-422 |
50-53 |
60 ℃ |
30M |
1080-1130 |
10.8-11.3 |
≥796 |
≥10.0 |
≥1114 |
≥14 |
223-247 |
28-31 |
100 ℃ |
33M |
1130-1170 |
11.3-11.7 |
≥836 |
≥10.5 |
≥1114 |
≥14 |
247-263 |
31-33 |
100 ℃ |
35M |
1170-1220 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1114 |
≥14 |
263-287 |
33-36 |
100 ℃ |
38M |
1220-1250 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1114 |
≥14 |
287-310 |
36-39 |
100 ℃ |
40M |
1250-1280 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1114 |
≥14 |
302-326 |
38-41 |
100 ℃ |
42M |
1280-1320 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1114 |
≥14 |
318-342 |
40-43 |
100 ℃ |
45M |
1320-1380 |
13.2-13.8 |
≥995 |
≥12.5 |
≥1114 |
≥14 |
342-366 |
43-46 |
100 ℃ |
48M |
1360-1430 |
13.6-14.3 |
≥1027 |
≥12.9 |
≥1114 |
≥14 |
366-390 |
46-49 |
100 ℃ |
50M |
1400-1450 |
14.0-14.5 |
≥1033 |
≥13.0 |
≥1114 |
≥14 |
382-406 |
48-51 |
100 ℃ |
30H |
1080-1130 |
10.8-11.3 |
≥796 |
≥10.0 |
≥1353 |
≥17 |
223-247 |
28-31 |
120 ℃ |
33H |
1130-1170 |
11.3-11.7 |
≥836 |
≥10.5 |
≥1353 |
≥17 |
247-271 |
31-34 |
120 ℃ |
35H |
1170-1220 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1353 |
≥17 |
263-287 |
33-36 |
120 ℃ |
38H |
1220-1250 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1353 |
≥17 |
287-310 |
36-39 |
120 ℃ |
40H |
1250-1280 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1353 |
≥17 |
302-326 |
38-41 |
120 ℃ |
42H |
1280-1320 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1353 |
≥17 |
318-342 |
40-43 |
120 ℃ |
45H |
1300-1360 |
13-13.6 |
≥963 |
≥12.1 |
≥1353 |
≥17 |
326-358 |
43-46 |
120 ℃ |
48H |
1370-1430 |
13.7-14.3 |
≥995 |
≥12.5 |
≥1353 |
≥17 |
366-390 |
46-49 |
120 ℃ |
30SH |
1080-1130 |
10.8-11.3 |
≥804 |
≥10.1 |
≥1592 |
≥20 |
223-247 |
28-31 |
150 ℃ |
33SH |
1130-1170 |
11.3-11.7 |
≥844 |
≥10.6 |
≥1592 |
≥20 |
247-271 |
31-34 |
150 ℃ |
35SH |
1170-1220 |
11.7-12.2 |
≥876 |
≥11.0 |
≥1592 |
≥20 |
263-287 |
33-36 |
150 ℃ |
38SH |
1220-1250 |
12.2-12.5 |
≥907 |
≥11.4 |
≥1592 |
≥20 |
287-310 |
36-39 |
150 ℃ |
40SH |
1240-1280 |
12.5-12.8 |
≥939 |
≥11.8 |
≥1592 |
≥20 |
302-326 |
38-41 |
150 ℃ |
42SH |
1280-1320 |
12.8-13.2 |
≥987 |
≥12.4 |
≥1592 |
≥20 |
318-342 |
40-43 |
150 ℃ |
45SH |
1320-1380 |
13.2-13.8 |
≥1003 |
≥12.6 |
≥1592 |
≥20 |
342-366 |
43-46 |
150 ℃ |
28UH |
1020-1080 |
10.2-10.8 |
≥764 |
≥9.6 |
≥1990 |
≥25 |
207-231 |
26-29 |
180 ℃ |
30UH |
1080-1130 |
10.8-11.3 |
≥812 |
≥10.2 |
≥1990 |
≥25 |
223-247 |
28-31 |
180 ℃ |
33UH |
1130-1170 |
11.3-11.7 |
≥852 |
≥10.7 |
≥1990 |
≥25 |
247-271 |
31-34 |
180 ℃ |
35UH |
1180-1220 |
11.8-12.2 |
≥860 |
≥10.8 |
≥1990 |
≥25 |
263-287 |
33-36 |
180 ℃ |
38UH |
1220-1250 |
12.2-12.5 |
≥876 |
≥11.0 |
≥1990 |
≥25 |
287-310 |
36-39 |
180 ℃ |
40UH |
1240-1280 |
12.5-12.8 |
≥899 |
≥11.3 |
≥1990 |
≥25 |
302-326 |
38-41 |
180 ℃ |
28EH |
1040-1090 |
10.4-10.9 |
≥780 |
≥9.8 |
≥2388 |
≥30 |
207-231 |
26-29 |
200 ℃ |
30EH |
1080-1130 |
10.8-11.3 |
≥812 |
≥10.2 |
≥2388 |
≥30 |
223-247 |
28-31 |
200 ℃ |
33EH |
1130-1170 |
11.3-11.7 |
≥836 |
≥10.5 |
≥2388 |
≥30 |
247-271 |
31-34 |
200 ℃ |
35EH |
1170-1220 |
11.7-12.2 |
≥876 |
≥11.0 |
≥2388 |
≥30 |
263-287 |
33-36 |
200 ℃ |
38EH |
1220-1250 |
12.2-12.5 |
≥899 |
≥11.3 |
≥2388 |
≥30 |
287-310 |
36-39 |
200 ℃ |
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烧结钕铁硼是目前性能最高的永磁材料之一,产品形状和性能也不同。
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| 方块钕铁硼 |
圆柱圆环钕铁硼 |
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| 镀黑瓦形钕铁硼 |
镀锌钕铁硼 |
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| 圆柱钕铁硼 |
磁方块 |
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| 方块和圆环 |
电机磁体 |
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| 镀镍方块和圆环 |
磁圆环 |
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