参数 | 单位 | 参考值 | |
密度 | g/cm3 | 8.20 ~ 8.60 | |
维氏硬度 | HV | 450 ~ 900 | |
电阻率 | μΩ·m | 1.4 ~ 1.6 | |
抗压强度 | MPa | ≥650 | |
抗弯强度 | MPa | ≥80 | |
热传导率 | W/(m·K) | 8 ~ 10 | |
杨氏模量 | GPa | 150 ~ 200 | |
热膨胀系数 | C⊥ | 10-6/K | 11.0~11.2 |
C∥ | 10-6/K | 6.9~7.0 |
1:5型(SmCo5)钐钴主要磁性能 | ||||||||||||
材料 牌号 | 剩磁(20℃) | 矫顽力(20℃) | 最大磁能积(20℃) | 温度系数 | 居里温度 | 最高工作温度 | ||||||
Br | Hcj | Hcb | (BH)max | α(Br)参考值 | β(Hcj)参考值 | 参考值 | Tmax参考值 | |||||
T | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | %/℃ | %/℃ | ℃ | ℃ | |
SmCo16 | 0.81-0.85 | 8.1-8.5 | ≥1194 | ≥15 | ≥621 | ≥7.8 | 110-127 | 14-16 | -0.045 | -0.30 | 750 | 250 |
SmCo18 | 0.85-0.90 | 8.5-9.0 | ≥1194 | ≥15 | ≥653 | ≥8.2 | 127-143 | 16-18 | -0.045 | -0.30 | 750 | 250 |
SmCo20 | 0.90-0.95 | 9.0-9.5 | ≥1194 | ≥15 | ≥677 | ≥8.5 | 143-167 | 18-21 | -0.045 | -0.30 | 750 | 250 |
SmCo22 | 0.95-1.00 | 9.5-10.0 | ≥1194 | ≥15 | ≥700 | ≥8.8 | 167-191 | 21-24 | -0.045 | -0.30 | 750 | 250 |
2:17(Sm2Co17)型钐钴主要磁性能 | ||||||||||||
材料 牌号 | 剩磁(20℃) | 矫顽力(20℃) | 最大磁能积(20℃) | 温度系数 | 居里温度 | 最高工作温度 | ||||||
Br | Hcj | Hcb | (BH)max | α(Br)参考值 | β(Hcj)参考值 | 参考值 | Tmax参考值 | |||||
T | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | %/℃ | %/℃ | ℃ | ℃ | |
S24D | 0.95-1.02 | 9.5-10.2 | ≥637 | ≥8 | ≥541 | ≥6.8 | 175-199 | 22-25 | -0.035 | -0.20 | 800 | 250 |
S26D | 1.02-1.05 | 10.2-10.5 | ≥637 | ≥8 | ≥541 | ≥6.8 | 191-215 | 24-27 | -0.035 | -0.20 | 800 | 250 |
S28D | 1.05-1.08 | 10.5-10.8 | ≥637 | ≥8 | ≥541 | ≥6.8 | 207-231 | 26-29 | -0.035 | -0.20 | 800 | 250 |
S30D | 1.08-1.10 | 10.8-11.0 | ≥637 | ≥8 | ≥541 | ≥6.8 | 223-247 | 28-31 | -0.035 | -0.20 | 800 | 250 |
S32D | 1.10-1.13 | 11.0-11.3 | ≥637 | ≥8 | ≥541 | ≥6.8 | 231-255 | 29-32 | -0.035 | -0.20 | 800 | 250 |
S24M | 0.95-1.02 | 9.5-10.2 | ≥955 | ≥12 | ≥661 | ≥8.3 | 175-199 | 22-25 | -0.035 | -0.20 | 800 | 300 |
S26M | 1.02-1.05 | 10.2-10.5 | ≥955 | ≥12 | ≥661 | ≥8.3 | 191-215 | 24-27 | -0.035 | -0.20 | 800 | 300 |
S28M | 1.05-1.08 | 10.5-10.8 | ≥955 | ≥12 | ≥661 | ≥8.3 | 207-231 | 26-29 | -0.035 | -0.20 | 800 | 300 |
S30M | 1.08-1.10 | 10.8-11.0 | ≥955 | ≥12 | ≥661 | ≥8.3 | 223-247 | 28-31 | -0.035 | -0.20 | 800 | 300 |
S32M | 1.10-1.13 | 11.0-11.3 | ≥955 | ≥12 | ≥661 | ≥8.3 | 231-255 | 29-32 | -0.035 | -0.20 | 800 | 300 |
S24 | 0.95-1.02 | 9.5-10.2 | ≥1433 | ≥18 | ≥693 | ≥8.7 | 175-199 | 22-25 | -0.035 | -0.20 | 800 | 300 |
S26 | 1.02-1.05 | 10.2-10.5 | ≥1433 | ≥18 | ≥748 | ≥9.4 | 191-215 | 24-27 | -0.035 | -0.20 | 800 | 300 |
S28 | 1.05-1.08 | 10.5-10.8 | ≥1433 | ≥18 | ≥756 | ≥9.5 | 207-231 | 26-29 | -0.035 | -0.20 | 800 | 300 |
S30 | 1.08-1.10 | 10.8-11.0 | ≥1433 | ≥18 | ≥796 | ≥10.0 | 223-247 | 28-31 | -0.035 | -0.20 | 800 | 300 |
S32 | 1.10-1.13 | 11.0-11.3 | ≥1433 | ≥18 | ≥812 | ≥10.2 | 231-255 | 29-32 | -0.035 | -0.20 | 800 | 300 |
S33 | 1.12-1.16 | 11.2-11.6 | ≥1433 | ≥18 | ≥828 | ≥10.4 | 239-263 | 30-33 | -0.035 | -0.20 | 800 | 300 |
S24H | 0.95-1.02 | 9.5-10.2 | ≥1990 | ≥25 | ≥693 | ≥8.7 | 175-199 | 22-25 | -0.035 | -0.20 | 800 | 350 |
S26H | 1.02-1.05 | 10.2-10.5 | ≥1990 | ≥25 | ≥748 | ≥9.4 | 191-215 | 24-27 | -0.035 | -0.20 | 800 | 350 |
S28H | 1.05-1.08 | 10.5-10.8 | ≥1990 | ≥25 | ≥756 | ≥9.5 | 207-231 | 26-29 | -0.035 | -0.20 | 800 | 350 |
S30H | 1.08-1.10 | 10.8-11.0 | ≥1990 | ≥25 | ≥796 | ≥10.0 | 223-247 | 28-31 | -0.035 | -0.20 | 800 | 350 |
S32H | 1.10-1.13 | 11.0-11.3 | ≥1990 | ≥25 | ≥812 | ≥10.2 | 231-255 | 29-32 | -0.035 | -0.20 | 800 | 350 |
S33H | 1.12-1.16 | 11.2-11.6 | ≥1990 | ≥25 | ≥828 | ≥10.4 | 239-263 | 30-33 | -0.035 | -0.20 | 800 | 350 |
S18LT | 0.84-0.88 | 8.4-8.8 | ≥1433 | ≥18 | ≥621 | ≥7.8 | 135-151 | 17-19 | -0.005 | -0.20 | 840 | 300 |
S20LT | 0.88-0.93 | 8.8-9.3 | ≥1433 | ≥18 | ≥653 | ≥8.2 | 151-167 | 19-21 | -0.008 | -0.20 | 840 | 300 |
S22LT | 0.93-0.98 | 9.3-9.8 | ≥1433 | ≥18 | ≥685 | ≥8.6 | 167-183 | 21-23 | -0.011 | -0.20 | 840 | 300 |
S22HT | 0.93-0.98 | 9.3-9.8 | ≥1592 | ≥20 | ≥700 | ≥8.8 | 159-183 | 20-23 | -0.035 | -0.12 | 850 | 500 |
S24HT | 0.97-1.00 | 9.7-1.00 | ≥1592 | ≥20 | ≥716 | ≥9.0 | 175-199 | 22-25 | -0.035 | -0.12 | 850 | 450 |
S26HT | 0.99-1.04 | 9.9-10.4 | ≥1592 | ≥20 | ≥732 | ≥9.2 | 191-215 | 24-27 | -0.035 | -0.12 | 850 | 400 |