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钐钴是20世纪80年代初问世的第一代稀土永磁铁,他非常脆以至于我们不能够获得大尺寸的产品,但是他耐高温的性能特别好,工作温度可达250-350℃
1,磁性参数
|
序号 |
牌号 |
剩磁 |
矫顽力 |
内禀矫顽力 |
最大磁能积 |
居里温度 |
工作温度 |
剩磁温度系数 (αBr) |
内禀矫顽力温度系数(αHcj) | ||
|
Br |
Hcb |
Hcj |
(BH)max |
Tc | |||||||
|
Normal |
Min |
Min |
Min |
Max |
Min |
[℃] |
[℃] |
[℃] |
[℃] | ||
|
[T] |
[T] |
[kA/m] |
[kA/m] |
[kJ/m3] |
[kJ/m3] | ||||||
|
[kGS] |
[kGS] |
[kOe] |
[kOe] |
MGOE |
MGOE | ||||||
|
1 |
RECo5 119/127 |
0.83 |
0.81 |
620 |
1274 |
127 |
119 |
750 |
250 |
-0.04 |
-0.3 |
|
8.3 |
8.1 |
7.8 |
16 |
16 |
15 | ||||||
|
2 |
RECo5 135/127 |
0.87 |
0.84 |
645 |
1274 |
143 |
135 |
750 |
250 |
-0.04 |
-0.3 |
|
8.7 |
8.4 |
8.1 |
16 |
18 |
17 | ||||||
|
3 |
RECo5 151/127 |
0.92 |
0.89 |
680 |
1274 |
159 |
151 |
750 |
250 |
-0.04 |
-0.3 |
|
9.2 |
8.9 |
8.5 |
16 |
20 |
19 | ||||||
|
4 |
RECo5 159/127 |
0.95 |
0.93 |
710 |
1274 |
167 |
159 |
750 |
250 |
-0.04 |
-0.3 |
|
9.5 |
9.3 |
8.9 |
16 |
21 |
20 | ||||||
|
5 |
RECo5 175/119 |
0.98 |
0.96 |
730 |
1194 |
183 |
175 |
750 |
250 |
-0.04 |
-0.3 |
|
9.8 |
9.6 |
9.2 |
15 |
23 |
22 | ||||||
|
6 |
RE(Sm)Co5 151/104 |
0.92 |
0.89 |
680 |
1035 |
159 |
151 |
750 |
250 |
-0.04 |
-0.3 |
|
9.2 |
8.9 |
8.5 |
13 |
20 |
19 | ||||||
|
7 |
RE(Sm)Co5 159/104 |
0.95 |
0.93 |
710 |
1035 |
167 |
159 |
750 |
250 |
-0.04 |
-0.3 |
|
9.5 |
9.3 |
8.9 |
13 |
21 |
20 | ||||||
|
8 |
RE(Sm)Co5 151/159 |
0.92 |
0.89 |
680 |
1592 |
159 |
151 |
750 |
250 |
-0.04 |
-0.3 |
|
9.2 |
8.9 |
8.5 |
20 |
20 |
19 | ||||||
|
9 |
RE(Sm)Co5 159/159 |
0.95 |
0.93 |
710 |
1592 |
167 |
159 |
750 |
250 |
-0.04 |
-0.3 |
|
9.5 |
9.3 |
8.9 |
20 |
21 |
20 | ||||||
|
10 |
RE(Sm)Co5 175/119 |
0.98 |
0.96 |
730 |
1194 |
183 |
175 |
750 |
250 |
-0.04 |
-0.3 |
|
9.8 |
9.6 |
9.2 |
15 |
23 |
22 | ||||||
|
11 |
RE2Co17 175/199 |
0.99 |
0.96 |
700 |
1990 |
183 |
175 |
820 |
350 |
-0.03 |
-0.2 |
|
9.9 |
9.6 |
8.7 |
25 |
23 |
22 | ||||||
|
12 |
RE2Co17 175/143 |
0.99 |
0.96 |
700 |
1433 |
183 |
175 |
820 |
350 |
-0.03 |
-0.2 |
|
9.9 |
9.6 |
8.7 |
18 |
23 |
22 | ||||||
|
13 |
RE2Co17 191/199 |
1.04 |
1.02 |
750 |
1990 |
199 |
191 |
820 |
350 |
-0.03 |
-0.2 |
|
10.4 |
10.2 |
9.4 |
25 |
25 |
24 | ||||||
|
14 |
RE2Co17 191/143 |
1.04 |
1.02 |
750 |
1433 |
199 |
191 |
820 |
350 |
-0.03 |
-0.2 |
|
10.4 |
10.2 |
9.4 |
18 |
25 |
24 | ||||||
|
15 |
RE2Co17 191/80 |
1.04 |
1.02 |
750 |
796~1273 |
199 |
191 |
820 |
350 |
-0.03 |
-0.2 |
|
10.4 |
10.2 |
9.4 |
10~16 |
25 |
24 | ||||||
|
16 |
RE2Co17 207/199 |
1.07 |
1.04 |
756 |
1990 |
215 |
207 |
820 |
350 |
-0.03 |
-0.2 |
|
10.7 |
10.4 |
9.5 |
25 |
27 |
26 | ||||||
|
17 |
RE2Co17 207/143 |
1.07 |
1.04 |
756 |
1433 |
215 |
207 |
820 |
350 |
-0.03 |
-0.2 |
|
10.7 |
10.4 |
9.5 |
18 |
27 |
26 | ||||||
|
18 |
RE2Co17 207/80 |
1.07 |
1.04 |
756 |
796~1273 |
215 |
207 |
820 |
350 |
-0.03 |
-0.2 |
|
10.7 |
10.4 |
9.5 |
10~16 |
27 |
26 | ||||||
|
19 |
RE2Co17 207/44 |
1.07 |
1.04 |
413~716 |
438~796 |
215 |
207 |
820 |
350 |
-0.03 |
-0.2 |
|
10.7 |
10.4 |
5.2~9 |
5.5~10 |
27 |
26 | ||||||
|
20 |
RE2Co17 222/199 |
1.1 |
1.08 |
788 |
1990 |
239 |
222 |
820 |
350 |
-0.03 |
-0.2 |
|
11 |
10.8 |
9.9 |
25 |
30 |
28 | ||||||
|
21 |
RE2Co17 222/143 |
1.1 |
1.08 |
788 |
1433 |
239 |
222 |
820 |
350 |
-0.03 |
-0.2 |
|
11 |
10.8 |
9.9 |
18 |
30 |
28 | ||||||
|
22 |
RE2Co17 222/80 |
1.1 |
1.08 |
788 |
796~1273 |
239 |
222 |
820 |
350 |
-0.03 |
-0.2 |
|
11 |
10.8 |
9.9 |
10~16 |
30 |
28 | ||||||
|
23 |
RE2Co17 222/44 |
1.1 |
1.08 |
413~716 |
438~796 |
239 |
222 |
820 |
350 |
-0.03 |
-0.2 |
|
11 |
10.8 |
5.2~9 |
5.5~10 |
30 |
28 | ||||||
|
24 |
RE2Co17 239/143 |
1.12 |
1.1 |
772 |
1433 |
255 |
239 |
820 |
350 |
-0.03 |
-0.2 |
|
11.2 |
11 |
9.7 |
18 |
32 |
30 | ||||||
|
25 |
RE2Co17 239/80 |
1.12 |
1.1 |
772 |
796~1273 |
255 |
239 |
820 |
350 |
-0.03 |
-0.2 |
|
11.2 |
11 |
9.7 |
10~16 |
32 |
30 | ||||||
|
26 |
RE2Co17 239/44 |
1.12 |
1.1 |
413~716 |
438~796 |
255 |
239 |
820 |
350 |
-0.03 |
-0.2 |
|
11.2 |
11 |
5.2~9 |
5.5~10 |
32 |
30 | ||||||
|
27 |
NSC27G |
1.08 |
1.04 |
637~796 |
1592 |
215 |
207 |
820 |
350 |
-0.03 |
-0.2 |
|
10.8 |
10.4 |
8.0~10 |
20 |
27 |
26 | ||||||
2,钐钴的物理性能
|
参数 |
Unit |
SmCo5 |
Sm2Co17 |
|
密度 |
g/cm3 |
8.1-8.5 |
8.3-8.5 |
|
居里温度 |
℃ |
700-750 |
800-850 |
|
回复磁导率 |
(μ rec) 【-】 |
1.00-1.05 |
1.0-1.1 |
|
硬度 |
Hv |
400-500 |
500-600 |
|
电阻率 |
Ω.cm |
5-6 X10^5 |
8-9 X10^5 |
|
抗压强度 |
Mpa |
420-680 |
700-830 |
|
热传导率 |
(w/m -K) |
Ω.cm |
12 |
|
热膨胀系数 |
10^6/℃ |
13 |
11 |
|
饱和磁化场 |
KA/m |
>1600 |
>3200 |




