Magnetau NdFeB Sintered yw'r magnetau parhaol masnacheiddio mwyaf pwerus sydd ar gael heddiw, gyda'r cynnyrch ynni mwyaf yn amrywio o 26 MGOe i 52 MGOe. Nd-Fe-B yw'r drydedd genhedlaeth o fagnet parhaol a ddatblygwyd yn yr 1980au. Mae ganddo gyfuniad o barhad a gorfodaeth uchel iawn, ac mae'n dod ag ystod eang o raddau, meintiau a siapiau. Gyda'i nodweddion magnetig rhagorol, digonedd o ddeunydd crai a phrisiau cymharol isel, mae Nd-Fe-B yn cynnig mwy o hyblygrwydd wrth ddylunio deunyddiau magnet newydd neu amnewid fel cerameg, Alnico a Sm-Co i sicrhau effeithlonrwydd uchel, cost isel a mwy dyfeisiau cryno.
Manteision Magnet sintered
* Sefydlu Preswyl Br cryf iawn.
* Gallu gwrthsefyll demagnetization rhagorol.
* Pris Da o'i gymharu â'i briodweddau magnetig uchel.
Priodweddau Magnetig Magnetau NdFeB Sintered
Gradd | Max. Cynnyrch Ynni | Remanence | Llu Gorfodol | Parch Temp. Coeff. | Curie Temp. | Temp Gweithio. | ||||||
(BH) mwyafswm | Br | Hc | Hci | Bd | Hd | Tc | Tw | |||||
MGOe | kJ / m3 | kG | mT | kOe | kA / m | kOe | kA / m | % / ° C. | % / ° C. | ° C | ° C | |
N33 | 31 33- | 247 263- | 11.30 11.70- | 1130 1170- | > 10.5 | > 836 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N35 | 33 36- | 263 287- | 11.70 12.10- | 1170 1210- | > 10.9 | > 868 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N38 | 36 39- | 287 310- | 12.10 12.50- | 1210 1250- | > 11.3 | > 899 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N40 | 38 41- | 302 326- | 12.50 12.80- | 1250 1280- | > 11.6 | > 923 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N42 | 40 43- | 318 342- | 12.80 1320- | 1280 1320- | > 11.6 | > 923 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N45 | 43 46- | 342 366- | 13.20 13.70- | 1320 1380- | > 11.0 | > 876 | > 12 | > 955 | 0.12- | 0.6- | 310 | 80 |
N48 | 46 49- | 366 390- | 13.60 14.20- | 1380 1420- | > 10.5 | > 835 | > 11 | > 876 | 0.12- | 0.6- | 310 | 80 |
N50 | 47 51- | 374 406- | 13.90 14.50- | 1390 1450- | > 10.5 | > 836 | > 11 | > 876 | 0.12- | 0.6- | 310 | 80 |
N52 | 49 53- | 390 422- | 14.2 14.8- | 1420 1480- | > 10.0 | > 796 | > 11 | > 876 | 0.12- | 0.6- | 310 | 80 |
N30M | 28 32- | 223 255- | 10.90 11.70- | 1090 1170- | > 10.2 | > 812 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N33M | 31 35- | 247 279- | 11.40 12.20- | 1140 1220- | > 10.7 | > 851 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N35M | 33 37- | 263 294- | 11.80 12.50- | 1180 1250- | > 10.9 | > 868 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N38M | 36 40- | 286 318- | 12.30 13.00- | 1230 1300- | > 11.3 | > 899 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N40M | 38 42- | 302 334- | 12.60 13.20- | 1260 1320- | > 11.6 | > 923 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N42M | 40 44- | 318 350- | 13.00 13.50- | 1300 1350- | > 11.6 | > 923 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N45M | 42 46- | 334 366- | 13.20 13.80- | 1320 1380- | > 11 | > 876 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N48M | 46 46- | 366 390- | 13.6 14.2- | 1360 1420- | > 11 | > 876 | > 14 | > 1114 | 0.12- | 0.59- | 320 | 100 |
N33H | 31 34- | 247 271- | 11.30 11.70- | 1130 1170- | > 10.5 | > 836 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N35H | 33 36- | 263 287- | 11.70 12.10- | 1170 1210- | > 10.9 | > 868 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N38H | 36 39- | 287 310- | 12.10 12.50- | 1210 1250- | > 11.3 | > 899 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N40H | 38 41- | 302 326- | 12.40 12.80- | 1240 1280- | > 11.6 | > 923 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N42H | 40 43- | 318 342- | 12.80 13.20- | 1280 1320- | > 11.6 | > 923 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N45H | 43 46- | 342 366- | 13.30 13.90- | 1330 1390- | > 11.6 | > 923 | > 17 | > 1353 | 0.11- | 0.58- | 320 350- | 120 |
N48H | 46 49- | 366 390- | 13.60 14.20- | 1360-142- | > 11.6 | > 923 | > 16 | > 1274 | 0.11- | 0.58- | 320 350- | 120 |
N33SH | 31 34- | 247 272- | 11.30 11.70- | 1130 1170- | > 10.6 | > 836 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N35SH | 33 36- | 263 287- | 11.70 12.10- | 1170 1210- | > 11.0 | > 868 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N38SH | 36 39- | 287 310- | 12.10 12.50- | 1210 1250- | > 11.4 | > 899 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N40SH | 38 41- | 302 326- | 12.10 12.80- | 1240 1280- | > 11.6 | > 923 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N42SH | 40 43- | 318 342- | 12.80 13.40- | 1280 1340- | > 11.6 | > 923 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N45SH | 43 46- | 342 366- | 13.30 13.90- | 1330 1390- | > 11.6 | > 923 | > 20 | > 1592 | 0.11- | 0.55- | 340 360- | 150 |
N28UH | 26 29- | 207 231- | 10.20 10.80- | 1020 1080- | > 9.6 | > 768 | > 25 | > 1990 | 0.11- | 0.51- | 350 380- | 180 |
N30UH | 28 31- | 223 247- | 10.80 11.30- | 1080 1130- | > 10.2 | > 816 | > 25 | > 1990 | 0.11- | 0.51- | 350 380- | 180 |
N33UH | 31 34- | 247 263- | 11.30 11.70- | 1130 1170- | > 10.7 | > 852 | > 25 | > 1990 | 0.11- | 0.51- | 350 380- | 180 |
N35UH | 33 36- | 263 287- | 11.80 12.20- | 1180 1220- | > 10.9 | > 899 | > 25 | > 1990 | 0.11- | 0.51- | 350 380- | 180 |
N38UH | 36 39- | 287 310- | 12.20 12.70- | 1220 1270- | > 11.3 | > 854 | > 25 | > 1990 | 0.11- | 0.51- | 350 380- | 180 |
N28EH | 26 29- | 211 236- | 10.40 10.90- | 1040 1090- | > 9.8 | > 784 | > 30 | > 2388 | 0.11- | 0.51- | 350 380- | 200 |
N30EH | 28 31- | 223 247- | 10.80 11.30- | 1080 1130- | > 10.2 | > 812 | > 30 | > 2388 | 0.11- | 0.51- | 350 380- | 200 |
N33EH | 31 33- | 247 263- | 11.30 11.70- | 1130 1170- | > 10.7 | > 852 | > 30 | > 2388 | 0.11- | 0.51- | 350 380- | 200 |
N35EH | 33 36- | 263 287- | 11.80 12.20- | 1180 1220- | > 10.9 | > 868 | > 30 | > 2388 | 0.11- | 0.51- | 350 380- | 200 |
N28AH | 26 29- | 207 231- | 10.30 10.90- | 1030 1090- | > 9.8 | > 780 | > 35 | > 2786 | 0.11- | 0.51- | 350 380- | 220 |
N30AH | 28 31- | 223 247- | 10.80 11.30- | 1180 1130- | > 10.2 | > 812 | > 35 | > 2786 | 0.11- | 0.51- | 350 380- | 220 |
Cynhyrchion 1.Licensed gan SSMC-MQ - Safon Ansawdd ISO 9002 Ardystiedig
2. Rhoddir y data uchod o baramedrau magnetig a phriodweddau ffisegol ar dymheredd yr ystafell.
3. Gellir newid tymheredd gwasanaeth uchaf y magnet oherwydd hyd a diamedr y gymhareb a'r ffactorau amgylcheddol.
4. Gellir cyflawni eiddo arbennig gyda'r dull arfer.
Priodweddau Ffisegol a Mecanyddol
Thermal Conductivity | 7.7 kcal/m-h-°C |
Young's Modulus | 1.7 x 104 kg/mm2 |
Bending Strength | 24 kg/mm2 |
Compressive Strength | 80 kg/mm2 |
Electrical Resistivity | 160 µ-ohm-cm/cm2 |
Dwysedd | 7.4-7.55 g/cm3 |
Vickers Hardness | 500 - 600 |