Material properties of isotropic bonded SmFeN magnets (NITROQUENCH-P)
Magnetic properties
Compression molded magnets
SP-14 | SP-14L | ||
---|---|---|---|
Remanence Br |
mT |
750 ~ 820 |
750 ~ 830 |
(kG) | (7.5 ~ 8.2) | (7.5 ~ 8.3) | |
Coercivity HCB |
kA/m |
450 ~ 520 |
430 ~ 510 |
(kOe) | (5.7 ~ 6.5) | (5.5 ~ 6.4) | |
Intrinsic Coercivity HCJ |
kA/m |
670 ~ 800 |
550 ~ 670 |
(kOe) | (8.5 ~ 10.0) | (7.0 ~ 8.5) | |
Maximum Energy Product (BH)max |
kJ/m3 |
98 ~ 112 |
98 ~ 112 |
(MGOe) | (12.4 ~ 14.0) | (12.4 ~ 14.0) | |
Temperature Coefficient of B | % / ℃ | -0.05 ~ -0.07 | |
Method of forming | Compression moulding |
- The data in these tables are obtained from Daido's standard test pieces and are not guaranteed values.
- These values may vary depending on the magnet shape, dimensions, test conditions and equipment. It is recommended that the figures be verified in actual products.
- Guaranteed values may be set up by consultation for specific shape and sizes.
- NITROQUENCH-P is a series of SmFeN 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.
- The contents of data are subject to change without prior notice.
Typical physical & mechanical properties
SP-14, SP-14L | ||
---|---|---|
Density | g/cm3 | 5.8 ~ 6.4 |
Thermal Expansion Coefficient | 10-6/℃ (20℃ ~ 100℃) |
12.6 |
Bending strength (JIS K7171) | MPa (kgf/mm2) |
52 5.3 |
Bending Modulus (JIS K7171) | MPa (kgf/mm2) |
10800 1100 |
Ring Crushing Strength (JIS Z2507) | MPa (kgf/mm2) |
54 5.5 |
Corrosion Resistance
Coatings | Dimension | Lasting time | ||||
---|---|---|---|---|---|---|
96Hr | 192Hr | 300Hr | 500Hr | 1000Hr | ||
No coating | OD 21 × ID 9 × 7.0 mm L | A | A | A | A | A |
Electrodeposition coating | OD 21 × ID 9 × 7.0 mm L | A | A | A | A | A |
- Degree of rust
- No rust: A
- Spotted rust: B
- All surface rust: C
Appearance after humidity test
- Test conditions
- 80 ℃ × 95 % RH × 300 hours
- Specimen dimensions
- OD 21 × ID 9 × 7.0 mm L