磁特性:
Magnetic characteristices: |
|
材料
Material
|
牌号
Code
|
剩磁
Remanence Br |
矫顽力 KOe
Coercivity force
|
内禀矫顽力
Coercivity force
|
| Br |
bHC |
iHC |
| T |
KGs |
KA/m |
KOe |
HA/m |
KOe |
|
钕铁硼
(Nd-Fe-B)
|
N-30 |
1.08-1.15 |
10.8-11.5 |
780-836 |
9.8-10.5 |
≥955 |
≥12 |
| N-33 |
1.13-1.17 |
11.3-11.7 |
795-880 |
10.0-11.1 |
≥955 |
≥12 |
| N-35 |
1.18-1.22 |
11.8-12.2 |
875-915 |
11.0-11.5 |
≥955 |
≥12 |
| N-38 |
1.22-1.26 |
12.2-12.6 |
860-915 |
10.8-11.5 |
≥955 |
≥12 |
| N-40 |
1.26-1.29 |
12.6-12.9 |
836-876 |
10.5-11.0 |
≥955 |
≥12 |
| N-43 |
1.30-1.33 |
13.0-13.3 |
836-876 |
10.5-11.0 |
≥955 |
≥12 |
| N-45 |
1.33-1.37 |
13.3-13.7 |
836-876 |
10.5-11.0 |
≥955 |
≥12 |
| N-27H |
1.02-1.10 |
10.2-11.0 |
765-835 |
9.6-10.5 |
≥1353 |
≥17 |
| N-30H |
1.08-1.15 |
10.8-11.5 |
810-850 |
10.2-10.7 |
≥1353 |
≥17 |
| N-33H |
1.14-1.17 |
11.4-11.7 |
820-876 |
10.3-11.0 |
≥1353 |
≥17 |
| N-35H |
1.17-1.21 |
11.7-12.1 |
860-915 |
10.8-11.5 |
≥1353 |
≥17 |
| N-38H |
1.22-1.26 |
12.2-12.6 |
915-955 |
11.5-12.0 |
≥1353 |
≥17 |
| N-40H |
1.26-1.29 |
12.6-12.9 |
915-955 |
11.5-12.0 |
≥1353 |
≥17 |
| N-27SH |
1.02-1.10 |
10.2-11.0 |
765-835 |
9.6-10.5 |
≥1595 |
≥20 |
| N-30SH |
1.08-1.12 |
10.8-11.2 |
812-852 |
10.2-10.7 |
≥1595 |
≥20 |
| N-33SH |
1.14-1.17 |
11.4-11.7 |
740-876 |
10.3-11.0 |
≥1595 |
≥20 |
| N-35SH |
1.17-12.1 |
11.7-12.1 |
860-915 |
10.8-11.5 |
≥1595 |
≥20 |
| N-25UH |
0.98-1.02 |
9.8-10.2 |
732-764 |
9.20-9.60 |
≥1990 |
≥25 |
| N-28UH |
1.04-1.08 |
10.4-10.8 |
780-812 |
9.8-10.8 |
≥1990 |
≥25 |
| N-30UH |
1.08-1.12 |
10.8-11.2 |
804-844 |
10.1-10.6 |
≥1990 |
≥25 |
| N-33UH |
1.14-1.17 |
11.4-11.7 |
740-876 |
10.3-11.0 |
≥1990 |
≥25 |
| N-25EH |
0.98-1.02 |
9.8-10.2 |
732-764 |
9.2-9.6 |
≥2387 |
≥30 |
| N-28EH |
1.04-1.08 |
10.4-10.8 |
780-812 |
9.8-10.2 |
≥2387 |
≥30 |
|
|
材料
Material
|
牌号
Code
|
最大磁能积
Maximum energy
product Bhm
|
居里温度
Curie
temperature
|
最高工作温度
Maximum operating
temperature
|
| (BH)max |
TC |
TW |
| HJ/m3 |
MGOe |
℃ |
℃ |
|
钕铁硼
(Nd-Fe-B)
|
N-30 |
220-240 |
28-31 |
310 |
80-100 |
| N-33 |
245-260 |
31-33 |
310 |
80-100 |
| N-35 |
260-285 |
33-36 |
310 |
80-100 |
| N-38 |
285-303 |
36-38 |
310 |
80-100 |
| N-40 |
303-318 |
38-40 |
310 |
80-100 |
| N-43 |
326-342 |
41-43 |
310 |
80-100 |
| N-45 |
342-385 |
43-45 |
310 |
80-100 |
| N-27H |
195-220 |
25-28 |
340 |
120 |
| N-30H |
220-245 |
28-31 |
340 |
120 |
| N-33H |
247-263 |
31-33 |
340 |
120 |
| N-35H |
263-279 |
33-35 |
340 |
120 |
| N-38H |
287-303 |
36-38 |
340 |
120 |
| N-40H |
303-318 |
38-40 |
340 |
120 |
| N-27SH |
195-220 |
25-28 |
350 |
150 |
| N-30SH |
216-246 |
27-30 |
350 |
150 |
| N-33SH |
247-263 |
31-33 |
350 |
150 |
| N-35SH |
263-279 |
33-35 |
350 |
150 |
| N-25UH |
183-199 |
23-25 |
350 |
180 |
| N-28UH |
183-223 |
23-25 |
350 |
180 |
| N-30UH |
223-239 |
28-30 |
350 |
180 |
| N-33UH |
247-263 |
31-33 |
350 |
180 |
| N-25EH |
183-199 |
23-25 |
350 |
200 |
| N-28EH |
207-223 |
26-28 |
350 |
200 |
|
|
钕铁硼的其它物理特性:
NdFeB Other Physical Properties:
| Br温度系数 |
Temp.Coeff.Of Br: |
-0.11%/℃ |
| 密度 |
Densyty: |
7.4g/cm3 |
| 韦氏温度 |
Vickers Hardness: |
600Hv |
| 拉伸强度 |
Tensile strength: |
8.0kg/mm2 |
| 比热 |
Specific Heat: |
0.12Cal/(kg℃) |
| 弹性模量 |
Young's Modulus: |
1.6×1011N/m2 |
| 横向变形系数 |
Poisson's Ratio: |
0.24 |
| 居里温度 |
Curie Temperature: |
300-340℃ |
| 电阻率 |
Electrical Resistivity: |
144μΩ.cm |
| 绕曲强度 |
Flexural Strength: |
25kg/mm2 |
| 热膨胀系数 |
Coeff.of Thermal Expansion: |
4×10-6/℃ |
| 导热系数 |
Theraml conductivity: |
7.7kcal.m.h.℃ |
| 刚度 |
Rigidity: |
0.64N/m2 |
| 压缩率 |
Compressibility: |
9.8×10-12m2/N |
| iHc温度系数 |
Temp.Coeff.Of iHc: |
-0.6%/℃ |
|
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