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磁性能?/strong>
类别 | 性能 | 剰磁 | 感应强度矫顽劚/td> | 内索矫顽劚/td> | **磁能?/td> | 工作温度 | ||||||||
kGs | T | kOe | KA/m | kOe | KA/m | MGOe | Kj/m, | |||||||
Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||||
N | N54 | 15.1 | 14 5 | 1.51 | 1.45 | ?0.5 | ?36 | ?1 | ?36 | 55 | 51 | 438 | 406 | ?0 |
N52 | 14.8 | 14.2 | 1.48 | 1.42 | ?0.5 | ?36 | ?1 | ?36 | 53 | 49 | 422 | 390 | ?0 | |
N50 | 14.5 | 14 | 1.45 | 1.4 | ?1.0 | ?76 | ?1 | ?76 | 51 | 47 | 406 | 374 | ?0 | |
N48 | 14 3 | 137 | 1.43 | 1.37 | ?1.0 | ?76 | ?2 | ?55 | 49 | 45 | 390 | 358 | ?0 | |
N45 | 13.8 | 13.2 | 1.38 | 1.32 | ?1.0 | ?76 | ?2 | ?55 | 46 | 42 | 366 | 334 | ?0 | |
N42 | 13.5 | 129 | 1.35 | 1.29 | ?1.0 | ?76 | ?2 | ?55 | 44 | 40 | 350 | 318 | ?0 | |
N40 | 13.2 | 12.6 | 1.32 | 1.26 | ?1.0 | ?76 | ?2 | ?55 | 41 | 38 | 334 | 302 | ?0 | |
N38 | 13 | 122 | 1.3 | 1.22 | ?1.0 | ?76 | ?2 | ?55 | 40 | 36 | 318 | 287 | ?0 | |
N35 | 12.2 | 11.7 | 1.22 | 1.17 | ?0.9 | ?68 | ?2 | ?55 | 36 | 33 | 287 | 263 | ?0 | |
N33 | 11.7 | 11.3 | 1.17 | 1.13 | ?0.5 | ?36 | ?2 | ?55 | 34 | 31 | 271 | 247 | ?0 | |
N30 | 11.3 | 10.8 | 1.13 | 1.08 | ?0.0 | ?96 | ?2 | ?55 | 31 | 28 | 247 | 223 | ?0 | |
M | N52M | 14.8 | 14.2 | 1.48 | 1.42 | ?3.3 | ?059 | ≥l4 | ?114 | 43 | 49 | 422 | 390 | ?00 |
N50M | 14.5 | 14.0 | 1.45 | 1.40 | ?3.1 | ?043 | ?4 | ?114 | 41 | 47 | 406 | 374 | ?00 | |
N48M | 14.3 | 13.7 | 1.43 | 1.37 | ?2.8 | ?019 | ?4 | ?114 | 49 | 45 | 390 | 358 | ?00 | |
N45M | 13.8 | 13.2 | 1.38 | 1.32 | ?2.4 | ?87 | ?4 | ?114 | 46 | 42 | 366 | 334 | ?00 | |
N42M | 13.5 | 12.9 | 1.35 | 1.29 | ?2.1 | ?63 | ?4 | ?114 | 44 | 40 | 350 | 318 | ?00 | |
N40M | 13.2 | 126 | 1.32 | 1.26 | ?1.8 | ?39 | ?4 | ?114 | 41 | 38 | 334 | 302 | ?00 | |
N38M | 13 | 12.2 | 1.3 | 1.22 | ?1.7 | ?15 | ?4 | ?114 | 40 | 36 | 318 | 287 | ?00 | |
N35M | 12.2 | 11.7 | 1.22 | 1.17 | ?0.9 | ?68 | ?4 | ?114 | 36 | 33 | 287 | 263 | ?00 | |
H | N50H | 14.5 | 14.0 | 1.45 | 1.40 | ?2.9 | ?027 | ?6 | ?274 | 51 | 47 | 406 | 374 | ?20 |
N48H | 14.3 | 13.7 | 1.43 | 1.37 | ?2.7 | ?011 | ?6 | ?274 | 49 | 45 | 390 | 358 | ?20 | |
N46H | 14 | 13.4 | 1.4 | 1.34 | ?2.5 | ?95 | ?7 | ?353 | 47 | 43 | 374 | 342 | ?20 | |
N44H | 13.7 | 13 1 | 1.37 | 1.31 | ?2.3 | ?79 | ?7 | ?353 | 45 | 41 | 358 | 326 | ?20 | |
N42H | 13.5 | 129 | 1.35 | 1.29 | ?2.1 | >963 | ?7 | ?353 | 44 | 40 | 350 | 318 | ?20 | |
N40H | 13.2 | 12.6 | 1.32 | 1.26 | ?1.8 | ?39 | ?7 | ?353 | 42 | 38 | 334 | 302 | ?20 | |
N38H | 130 | 122 | 1.3 | 1.22 | ?1.5 | ?15 | ?7 | ?353 | 40 | 36 | 318 | 287 | ?20 | |
N35H | 12.4 | 11.7 | 1.24 | 1.17 | ?1.0 | ?76 | ?7 | ?353 | 37 | 33 | 295 | 263 | ?20 | |
N33H | 11.7 | 11.3 | 1.17 | 1.13 | ?0.5 | ?36 | ?7 | ?353 | 34 | 31 | 271 | 247 | ?20 | |
SH | N45SH | 14 | 13.4 | 1.4 | 1.34 | ?2.5 | ?95 | ?0 | ?592 | 47 | 43 | 374 | 342 | ?50 |
N44SH | 13.7 | 13.1 | 1.37 | 1.31 | ?2.3 | ?79 | ?0 | ?592 | 45 | 41 | 358 | 362 | ?50 | |
N42SH | 13.5 | 12.9 | 1.35 | 1.29 | ?2.1 | ?63 | ?0 | ?592 | 44 | 40 | 350 | 318 | ?50 | |
N40SH | 13.2 | 126 | 1.32 | 1.26 | ?1.8 | ?39 | ?0 | ?592 | 42 | 38 | 334 | 302 | ?50 | |
N38SH | 12.9 | 12.2 | 1.29 | 1.22 | ?1.5 | ?15 | ?0 | ?592 | 40 | 36 | 318 | 287 | ?50 | |
N35SH | 124 | 11.7 | 1.24 | 1.17 | ?1.0 | ?76 | ?0 | ?592 | 37 | 33 | 295 | 263 | ?50 | |
N33SH | 12.1 | 11.4 | 1.21 | 1.14 | ?0.7 | ?52 | ?0 | ?592 | 35 | 31 | 279 | 247 | ?50 | |
UH | N42UH | 13.5 | 12.9 | 1.35 | 1.29 | ?2.1 | ?63 | ?5 | 1990 | 44 | 40 | 350 | 318 | ?80 |
N40UH | 132 | 126 | 1.32 | 1.26 | ?1.8 | ?39 | ?5 | 1990 | 42 | 38 | 334 | 302 | ?80 | |
N38UH | 12.9 | 12.2 | 1.29 | 1.22 | ?1.5 | ?15 | ?5 | 1990 | 40 | 36 | 318 | 287 | ?80 | |
N35UH | 124 | 11.7 | 1.24 | 1.17 | ?1.0 | ?76 | ?5 | 1990 | 37 | 33 | 295 | 263 | ?80 | |
N33UH | 12.1 | 11.4 | 1.21 | 1.14 | ?0.7 | ?52 | ?5 | 1990 | 35 | 31 | 379 | 247 | ?80 |
物理特?/strong>
项目 | 参数 | 参考倻/td> |
辅助磁性能 | 剩磁温度系数 | -0.08~-0.12 |
(a (Br) ) /(%/K) | ||
内禀矫顽力温度系?/td> | -0.42~-0.07 | |
(β (Hcj) ) /(%/K) | ||
居里温度 | 310-380 | |
(Tc) /K | ||
回复磁导玆/td> | 1.05 | |
(μ rec) [-] | ||
机械物理特?/td> | 密度(g/m³) | 7.50-7.70 |
维式硬度/ (Hv) | 650 | |
电阻? (μ Ω om) | 1.4 | |
抗压强度/ (MPa) | 1050 | |
抗拉强度/ (MPa) | 80 | |
抗弯强度/ (MPa) | 290 | |
耕专导豹(W/(mok)) | 6~8 | |
杨氏模量/ (GPa) | 160 | |
热膨胀系数(垂直于取向方?/(10-6/K) | -1.5 | |
热膨胀系数(平行于取向方?(10-6/K) | 6.5 | |
磁性性能参数及换算表
参数及表礹/td> | 国际单位 | 单位换算 |
磁感应强度B | T | 1T=1Vs/m²=10kGs |
磁极化强度J | T | 1T=1Vs/m²=10kGs |
磁场强度H | KA/m | 1KA/m=4ΠOe?2.57Oe |
磁能?BH) | KJ/m3 | 1KA/m3=0.126MGOe |
磁通?/td> | Wb | 1Wb=1Vs=108Mx |
产品尺寸
类别 | 图示 | 规格 | 推荐尺寸/mm | 极限尺寸/mm |
方块籺/td> | L | ?80 | ?20 | |
W | ?20 | ?50 | ||
T | ?0 | ?0 | ||
圆柱籺/td> | D | ?50 | ?20 | |
T | ?0 | ?0 | ||
圓环籺/td> | D | ?20 | ?60 | |
d | ?0 | ?00 | ||
T | ?5 | ?5 | ||
瓦片籺/td> | L | ?80 | ?20 | |
W | ?20 | ?50 | ||
T | ?0 | ?0 | ||
a | 0~180ℂ/td> |
表面处理
钕铁硼机体极易被腐蚀,为了克服此缺陷,常常对其表面进行涂覆。通常采用的方法有镀蓝白锌、彩锋镀镍、双层镍、镍锡、镍铜镍;镀环氧树脂; (临时保护)磷化等、/span>
表面处理指标
Coating perfomace |
Zn | Color Zn | Ni | Double Ni | NiSn | NiCuNi | ElectrolessNi | Epoxy | Passivation |
Color | white | multicolour | silver | silver | silver | silver | silver | black | silver |
Thickness(μm) | 5-10 | 5-15 | 10-15 | 15-20 | 10-20 | 10-25 | 10-20 | 25-30 | 1-5 |
Pressure Cooker Test (120? 2atm,100%RH) |
>15hr | >24hr | >48hr | >48hr | >72hr | >48hr | >48hr | >24hr | >4hr |
Salt Spray lest | >15hr | >24hr | >24hr | > 24hr | >48hr | >24hr | >48hr | > 500hr | >8hr |
(5%Nacl35 1.2atm) |
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