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烧结钕铁硼(Sintered NdFeB)——烧结钕铁硼永磁体经过气流磨制粉后冶炼而成,矫顽力值很高,且拥有极高的磁性能,其最大磁能积(BHmax)高过铁氧体(Ferrite)10倍以上。其本身的机械性能亦相当之好,可以切割加工不同的形状和钻孔。高性能产品的最高工作温度可达200摄氏度。由于它的物质含量容易导致锈蚀,所以根据不同要求必须对表面进行不同的凃层处理。(如镀锌、镍、环保锌、环保镍、镍铜镍、环保镍铜镍等)。非常坚硬和脆,有高抗退磁性,高成本/性能比例,不适用于高工作温度(>200℃)。
Grade牌号 |
Br剩余磁感应强度 |
Hcj内禀矫顽力 |
Hcb矫顽力 |
(BH)最大磁能积 |
ρ材料密度 |
μrec |
α(Br) |
α(Hcj) |
T |
KGs |
KA/m |
KOe |
KA/m |
KOe |
KJ/m3 |
MGOe |
|
|
|
Max |
Min |
Max |
Min |
Min |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
(g/cm3) |
%℃-1 |
%℃-1 |
N52 |
1.49 |
1.42 |
14.9 |
14.2 |
876 |
11 |
1035 |
836 |
13 |
10.5 |
422 |
390 |
53 |
49 |
7.5 |
1.05 |
-0.12 |
-0.8 |
N50 |
1.45 |
1.39 |
14.5 |
13.9 |
876 |
11 |
1035 |
836 |
13 |
10.5 |
406 |
374 |
51 |
47 |
7.5 |
1.05 |
-0.12 |
-0.8 |
N48 |
1.43 |
1.37 |
14.3 |
13.7 |
876 |
11 |
1035 |
836 |
13 |
10.5 |
390 |
366 |
49 |
46 |
7.5 |
1.05 |
-0.12 |
-0.8 |
N45 |
1.38 |
1.33 |
13.8 |
13.3 |
955 |
12 |
1035 |
836 |
13 |
10.5 |
366 |
342 |
46 |
43 |
7.5 |
1.05 |
-0.12 |
-0.8 |
N50M |
1.45 |
1.39 |
14.5 |
13.9 |
1114 |
14 |
1099 |
1034 |
13.8 |
13 |
406 |
374 |
51 |
47 |
7.5 |
1.05 |
-0.11 |
-0.72 |
N48M |
1.43 |
1.37 |
14.3 |
13.7 |
1114 |
14 |
1084 |
1019 |
13.6 |
12.8 |
390 |
366 |
49 |
46 |
7.5 |
1.05 |
-0.11 |
-0.72 |
N45M |
1.38 |
1.33 |
13.8 |
13.3 |
1114 |
14 |
1046 |
989 |
13.1 |
12.4 |
366 |
342 |
46 |
43 |
7.5 |
1.05 |
-0.11 |
-0.72 |
N42M |
1.34 |
1.28 |
13.4 |
12.8 |
1114 |
14 |
1016 |
952 |
12.8 |
12 |
342 |
318 |
43 |
40 |
7.5 |
1.05 |
-0.11 |
-0.72 |
N50H |
1.44 |
1.39 |
14.4 |
13.9 |
1274 |
16 |
1092 |
1034 |
13.7 |
13 |
406 |
374 |
51 |
47 |
7.55 |
1.05 |
-0.1 |
-0.66 |
N48H |
1.42 |
1.37 |
14.2 |
13.7 |
1274 |
16 |
1076 |
1019 |
13.5 |
12.8 |
382 |
358 |
48 |
45 |
7.55 |
1.05 |
-0.1 |
-0.66 |
N45H |
1.38 |
1.33 |
13.8 |
13.3 |
1353 |
17 |
1046 |
989 |
13.1 |
12.4 |
366 |
342 |
46 |
43 |
7.55 |
1.05 |
-0.1 |
-0.66 |
N42H |
1.34 |
1.28 |
13.4 |
12.8 |
1353 |
17 |
1016 |
952 |
12.8 |
12 |
342 |
318 |
43 |
40 |
7.5 |
1.05 |
-0.11 |
-0.66 |
N44SH |
1.36 |
1.3 |
13.6 |
13 |
1592 |
20 |
1031 |
967 |
13 |
12.1 |
358 |
326 |
45 |
41 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N42SH |
1.34 |
1.28 |
13.4 |
12.8 |
1592 |
20 |
1016 |
952 |
12.8 |
12 |
334 |
310 |
42 |
39 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N40SH |
1.31 |
1.27 |
13 |
12.7 |
1592 |
20 |
986 |
945 |
12.4 |
11.9 |
326 |
302 |
41 |
38 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N38SH |
1.29 |
1.22 |
12.9 |
12.2 |
1592 |
20 |
978 |
908 |
12.3 |
11.4 |
310 |
287 |
39 |
36 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N42TH |
1.34 |
1.28 |
13.4 |
12.8 |
1831 |
23 |
1016 |
952 |
12.8 |
12 |
334 |
310 |
42 |
39 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N40TH |
1.31 |
1.27 |
13 |
12.7 |
1831 |
23 |
986 |
945 |
12.4 |
11.9 |
326 |
302 |
41 |
38 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N38TH |
1.29 |
1.22 |
12.9 |
12.2 |
1831 |
23 |
978 |
908 |
12.3 |
11.4 |
310 |
287 |
39 |
36 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N35TH |
1.24 |
1.17 |
12.4 |
11.7 |
1831 |
23 |
940 |
870 |
11.8 |
10.9 |
287 |
263 |
36 |
33 |
7.55 |
1.05 |
-0.1 |
-0.53 |
N40UH |
1.33 |
1.25 |
13.3 |
12.5 |
1990 |
25 |
1008 |
930 |
12.7 |
11.7 |
326 |
302 |
41 |
38 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N38UH |
1.29 |
1.22 |
12.9 |
12.2 |
1990 |
25 |
978 |
908 |
12.3 |
11.4 |
310 |
287 |
39 |
36 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N35UH |
1.24 |
1.17 |
12.4 |
11.7 |
1990 |
25 |
940 |
870 |
11.8 |
10.9 |
287 |
263 |
36 |
33 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N38VH |
1.26 |
1.2 |
12.6 |
12 |
2229 |
28 |
955 |
893 |
12 |
11.2 |
310 |
287 |
39 |
36 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N35VH |
1.24 |
1.17 |
12.4 |
11.7 |
2229 |
28 |
940 |
870 |
11.8 |
10.9 |
287 |
263 |
36 |
33 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N33VH |
1.21 |
1.14 |
12.1 |
11.4 |
2229 |
28 |
917 |
848 |
11.5 |
10.7 |
271 |
247 |
34 |
31 |
7.6 |
1.05 |
-0.1 |
-0.49 |
N33EH |
1.21 |
1.14 |
12.1 |
11.4 |
2388 |
30 |
917 |
848 |
11.5 |
10.7 |
271 |
247 |
34 |
31 |
7.6 |
1.05 |
-0.1 |
-0.45 |
N30EH |
1.14 |
1.08 |
11.5 |
10.8 |
2388 |
30 |
872 |
803 |
11 |
10.1 |
247 |
223 |
31 |
28 |
7.6 |
1.05 |
-0.1 |
-0.45 |
N33GH |
1.21 |
1.14 |
12.1 |
11.4 |
2627 |
33 |
917 |
848 |
11.5 |
10.7 |
271 |
247 |
34 |
31 |
7.6 |
1.05 |
-0.1 |
-0.45 |
N30GH |
1.15 |
1.08 |
11.5 |
10.8 |
2627 |
33 |
872 |
803 |
11 |
10.1 |
247 |
223 |
31 |
28 |
7.6 |
1.05 |
-0.1 |
-0.45 |
N30AH |
1.15 |
1.08 |
11.5 |
10.8 |
2786 |
35 |
872 |
803 |
11 |
10.1 |
247 |
223 |
31 |
28 |
7.6 |
1.05 |
-0.1 |
-0.45 |
N28AH |
1.08 |
1.03 |
10.8 |
10.3 |
2786 |
35 |
819 |
770 |
10.3 |
9.6 |
223 |
199 |
28 |
25 |
7.6 |
1.05 |
-0.1 |
-0.45 |
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