Material properties of isotropic bonded Nd-Fe-B magnets (NEOQUENCH-P)
Magnetic properties
Compression molded magnets
Compression mold NEOQUENCH-P, Magnetic property of NdFeB bonded magnet
| NP-7L | NP-8 | NP-8L | ||
|---|---|---|---|---|
| Remanence, Br | (mT) | 570 ～ 640 | 580 ～ 650 | 640 ～ 710 |
| (kG) | (5.7 ～ 6.4) | (5.8 ～ 6.5) | (6.4 ～ 7.1) | |
| Coercivity, HCB | (kA/m) | 374 ～ 438 | 390 ～ 454 | 406 ～ 470 |
| (kOe) | (4.7 ～ 5.5) | (4.9 ～ 5.7) | (5.1 ～ 5.9) | |
| Coercivity, HCJ | (kA/m) | 637 ～ 796 | 1035 ～ 1353 | 637 ～ 796 |
| (kOe) | (8.0 ～ 10.0) | (13.0 ～ 17.0) | (8.0 ～ 10.0) | |
| Maximum energy product, (BH)max | (kJ/m3) | 56 ～ 68 | 60 ～ 72 | 68 ～ 80 |
| (MGOe) | (7.0 〜 8.5) | (7.5 ～ 9.0) | (8.5 ～ 10.0) | |
| Recoil permeability | 1.2 | 1.13 | 1.2 | |
| Temperature coefficient of Br, alpha | (%/℃) | -0.12 | -0.15 | -0.1 |
| Required magnetizing field for saturation, Hs | (kA/m) | ≧1592 | ≧1990 | ≧1592 |
| (kOe) | (≧20) | (≧25) | (≧20) | |
| Density | (Mg/m3) | 5.6 ～ 6.1 | 5.6 ～ 6.1 | 5.6 ～ 6.1 |
| (g/cm3) | ||||
| Method of forming | Compression moulding | |||
| NP-8SR | NP-10LL | NP-11L | NP-12L | ||
|---|---|---|---|---|---|
| Remanence, Br | (mT) | 600 ～ 680 | 670～740 | 680 ～ 730 | 720 ～ 770 |
| (kG) | (6.0 ～ 6.8) | (6.7～7.4) | (6.8 ～ 7.3) | (7.2 ～ 7.7) | |
| Coercivity, HCB | (kA/m) | 414 ～ 486 | 398～462 | 430 ～ 485 | 454 ～ 509 |
| (kOe) | (5.2 ～ 6.1) | (5.0～5.8) | (5.4 ～ 6.1) | (5.7 ～ 6.4) | |
| Intrinsic Coercivity, HCJ | (kA/m) | 836〜1075 | 517～677 | 716 ～ 836 | 716 ～ 836 |
| (kOe) | (10.5 ～ 13.5) | (6.5～8.5) | (9.0 ～ 10.5) | (9.0 ～ 10.5) | |
| Maximum energy product, (BH)max | (kJ/m3) | 65 ～ 77 | 76～84 | 80 ～ 88 | 88 ～ 99 |
| (MGOe) | (8.2 〜 9.7) | (9.5～10.5) | (10.0 ～ 11.0) | (11.0 ～ 12.5) | |
| Recoil permeability | 1.13 | 1.26 | 1.2 | 1.2 | |
| Temperature coefficient of Br, alpha | (%/℃) | -0.13 | -0.11 | -0.1 | -0.1 |
| Required magnetizing field for saturation, Hs | (kA/m) | ≧1592 | ≧1592 | ≧1592 | ≧1592 |
| (kOe) | (≧20) | (≧20) | (≧20) | (≧20) | |
| Density | (Mg/m3) | 5.6 ～ 6.1 | 5.9～6.2 | 5.9 ～ 6.2 | 6.1 ～ 6.4 |
| (g/cm3) | |||||
| Method of forming | Compression moulding | ||||
- R: Heat resistant
- SR: Super Heat resistant
- The data in these tables are obtained from Daido's standard test pieces and are not guranteed values.
- These values may vary depending on the magnet shape, dimensions, test conditions and equipment. It is recommended that the fiqures be verified in actual products.
- Guaranteed values may be set up by consultation for specific shape and sizes.
- The contents of data are subject to change without prior notice.
Injection molded magnets
Injection mold NEOQUENCH-P, Magnetic property of NdFeB bonded magnet
| NPI-4L (NC-4L) |
NPI-6 (NC-6) |
NPI-6L (NC-6L) |
NPI-8L | ||
|---|---|---|---|---|---|
| Remanence, Br | (mT) | 410 ～ 490 | 480 ～ 560 | 540 ～ 620 | 570 ～ 630 |
| (kG) | (4.1 ～ 4.9) | (4.8 ～ 5.6) | (5.4 ～ 6.2) | (5.7 ～ 6.3) | |
| Coercivity, HCB | (kA/m) | 247 ～ 310 | 334 ～ 398 | 342 ～ 406 | 382 ～ 430 |
| (kOe) | (3.1 ～ 3.9) | (4.2 ～ 5.0) | (4.3 ～ 5.1) | (4.8 ～ 5.4) | |
| Intrinsic Coercivity, HCJ | (kA/m) | 573 ～ 732 | 1035 ～ 1353 | 637 ～ 796 | 676 ～ 835 |
| (kOe) | (7.2 ～ 9.2) | (13.0 ～ 17.0) | (8.0 ～ 10.0) | (8.5 ～ 10.5) | |
| Maximum energy product, (BH)max | (kJ/m3) | 28 ～ 36 | 40 ～ 52 | 49 ～ 61 | 59 ～ 67 |
| (MGOe) | (3.5 ～ 4.5) | (5.0 ～ 6.5) | (6.2 ～ 7.7) | (7.4 ～ 8.4) | |
| Recoil permeability | 1.2 | 1.13 | 1.2 | 1.2 | |
| Temperature coefficient of Br, alpha | (%/℃) | -0.1 | -0.15 | -0.1 | -0.1 |
| Required magnetizing field for saturation, Hs | (kA/m) | ≧1592 | ≧1990 | ≧1592 | ≧1592 |
| (kOe) | (≧20) | (≧25) | (≧20) | (≧20) | |
| Density | (Mg/m3) | 4.2 ～ 4.9 | 5.0 ～ 5.5 | 5.0 ～ 5.5 | 5.0 ～ 5.5 |
| (g/cm3) | |||||
| Method of forming | Injection mold | ||||
| NPI-9L (NC-9L) |
NPI-6LR (NC-6LR) |
NPI-6SR | NPI-7LR | NPI-7SR | ||
|---|---|---|---|---|---|---|
| Remanence, Br | (mT) | 640 ～ 720 | 480 ～ 560 | 460 ～ 520 | 550 ～ 610 | 520 ～ 580 |
| (kG) | (6.4 ～ 7.2) | (4.8 ～ 5.6) | (4.6 ～ 5.2) | (5.5 ～ 6.1) | (5.2 ～ 5.8) | |
| Coercivity, HCB | (kA/m) | 398 ～ 462 | 302 ～ 366 | 310 ～ 374 | 366 ～ 414 | 350 ～ 398 |
| (kOe) | (5.0 ～ 5.8) | (3.8 ～ 4.6) | (3.9 ～ 4.7) | (4.6 ～ 5.2) | (4.4 ～ 5.0) | |
| Intrinsic Coercivity, HCJ | (kA/m) | 637 ～ 796 | 637 ～ 796 | 835 ～ 1075 | 637 ～ 769 | 836 ～ 1075 |
| (kOe) | (8.0 ～ 10.0) | (8.0 ～ 10.0) | (10.5 ～ 13.5) | (8.0 ～ 10.0) | (10.5 ～ 13.5) | |
| Maximum energy product, (BH)max | (kJ/m3) | 68 ～ 76 | 36 ～ 48 | 37 ～ 45 | 52 ～ 60 | 47 ～ 56 |
| (MGOe) | (8.5 ～ 9.5) | (4.5 ～ 6.0) | (4.6 ～ 5.6) | (6.5 ～ 7.5) | (5.9 ～ 7.0) | |
| Recoil permeability | 1.2 | 1.2 | 1.13 | 1.2 | 1.13 | |
| Temperature coefficient of Br, alpha | (%/℃) | -0.1 | -0.1 | -0.13 | -0.1 | -0.13 |
| Required magnetizing field for saturation, Hs | (kA/m) | ≧1592 | ≧1592 | ≧1592 | ≧1592 | ≧1592 |
| (kOe) | (≧20) | (≧20) | (≧20) | (≧20) | (≧20) | |
| Density | (Mg/m3) | 4.6 ～ 5.1 | 4.6 ～ 5.1 | 5.5 ～ 6.0 | 5.0 ～ 5.5 | 5.0 ～ 5.5 |
| (g/cm3) | ||||||
| Method of forming | Injection mold | |||||
- (NC): Compound for Injection Molding
- R: Heat resistant
- SR: Super Heat resistant
- This table shows measurement data byDaido's standard test pieces and not guranteed values.
- Moreover, since the above mentioned value is varied depending on magnet shape, its dimensions, test conditions and equipments. It is recommended that the fiqures be certified in actual products.
- The guarantee value would be consulted and set by the shape & size.
- The contents of data may change without prior notice.
Physical & mechanical properties
NEOQUENCH-P is a series of NdFeB bonded magnets using certain polymers as a binder. When exposed to heat, physical, mechanical, or dimensional changes may occur. Please test the products in the specific environment before actual use.
Compression molded magnets
Physical & Mechanical property NP-8, 8L, 8SL
| Item | Unit | NP-8,8L, NP-11,12L |
NP-8SR |
|---|---|---|---|
| Electric resistivity (JIS C2525) |
μΩ・m | 56 | 31 |
| μΩ・cm | 5600 | 3100 | |
| Thermal Expansion Coefficient (JIS K7179) |
10-6/℃ | 10 | 7 |
| (30～100℃) | |||
| Bending strength (JIS K7171) |
MPa | 52 | 52 |
| (kgf/mm2) | 5.3 | 5.3 | |
| Bending Modulus (JIS K7171) |
MPa | 10800 | 10800 |
| (kgf/mm2) | 1100 | 1100 | |
| Ring Crushing Strength (JIS Z2507) |
MPa | 54 | 54 |
| (kgf/mm2) | 5.5 | 5.5 |
Injection molded magnets
Physical & Mechanical property NPI-6, 6L, 6SR
| Item | Unit | NPI-4L,6L, NPI-6,8L,9L |
NPI-6SR,6LR NPI-7SR,7LR |
|---|---|---|---|
| Electric resistivity (JIS C2525) |
μΩ・m | 130 | 130 |
| μΩ・cm | 13000 | 13000 | |
| Thermal Expansion Coefficient (JIS K7179) |
10-6/℃ | 26 | 21 |
| (30～100℃) | |||
| Bending strength (JIS K7171) |
MPa | 74 | 71 |
| (kgf/mm2) | 7.6 | 7.2 | |
| Bending Modulus (JIS K7171) |
MPa | 15700 | 24200 |
| (kgf/mm2) | 1600 | 2470 | |
| Ring Crushing Strength (JIS Z2507) |
MPa | 50 | 50 |
| (kgf/mm2) | 5.1 | 5.1 | |
| Hardness (JIS K7202) |
HRM | 70 | 107 |
| Tensile Strength (JIS K7113) |
MPa | 37 | 33 |
| (kgf/mm2) | 3.8 | 3.4 | |
| Young's modulus (JIS K7113) |
MPa | 16000 | 25000 |
| (kgf/mm2) | 1630 | 2550 |
Examples of overmolding and insert molding
- Overmolding NEOQUENCH-P to the shaft or yoke material
- Overmolding or insert molding of NEOQUENCH-P to pressed parts or high end resin parts.
- Compression molding NEOQUENCH-P with high end resin parts.
- Overmolding or insert molding high end resin to compression molded NEOQUENCH-P and shafts and other parts.
