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One of the main advantages of neodymium magnets is their high magnetic strength. Maent sawl gwaith yn gryfach na magnetau eraill o faint a phwysau tebyg, gan eu gwneud yn ddelfrydol ar gyfer cymwysiadau lle mae lle a phwysau yn brin. Additionally, neodymium magnets have a high coercivity, which means they retain their magnetization even in high-temperature environments.
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Mae magnetau neodymiwm, a elwir hefyd yn magnetau NDFEB, yn fath o magnetau daear prin wedi'u gwneud o gyfuniad o neodymiwm, haearn, a boron (ND2FE14b). Mae'r magnetau hyn yn anhygoel o gryf ac wedi dod yn rhan bwysig mewn technoleg fodern, gan gynnwys moduron trydan, siaradwyr, gyriannau disg caled, a pheiriannau delweddu cyseiniant magnetig (MRI).
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NdFeB magnets are composed mainly of neodymium (Nd), iron (Fe), and boron (B). Fe'u gwneir trwy broses meteleg powdr, lle mae'r deunyddiau crai yn cael eu toddi, eu bwrw i mewn i ingotau, eu malu i mewn i ronynnau bach, ac yna eu pwyso i'r siâp a ddymunir. NdFeB magnets have a high energy density, which means they can store a large amount of magnetic energy in a small volume. Maent hefyd yn arddangos priodweddau magnetig rhagorol, megis gor -orfodaeth uchel (y gallu i wrthsefyll demagnetization), remanence uchel (y gallu i gadw magnetization ar ôl i'r maes magnetig allanol gael ei dynnu), a dwysedd fflwcs magnetig uchel (faint o fflwcs magnetig fesul ardal uned).
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NdFeB magnets are essential components in modern technology. They exhibit excellent magnetic properties, which make them ideal for various applications. They have revolutionized the design of electric motors, speakers, and computer hard drives. NdFeB magnets have helped in the development of various industries, like energy, medical, and consumer electronics. Er gwaethaf eu hanfanteision, magnetau NDFEB yw'r math mwyaf poblogaidd o fagnet parhaol o hyd oherwydd eu cryfder magnetig uchel a'u hystod eang o ddefnydd.
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NdFeB magnets have several advantages, such as their high magnetic strength, durability, and wide range of usage. They are also cost-effective and easily available. Fodd bynnag, mae gan magnetau NDFEB rai anfanteision, megis eu gwrthwynebiad isel i gyrydiad, disgleirdeb, a sensitifrwydd uchel i newidiadau tymheredd. Careful handling and storage are required to prevent damage to the magnets.
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Neodymium iron boron (NdFeB) magnets are a type of rare earth magnets that are widely used in modern technology. Fe'u datblygwyd gyntaf yn yr 1980au ac maent wedi dod yn fath mwyaf poblogaidd o fagnet parhaol oherwydd eu cryfder magnetig uchel, gwydnwch, ac ystod eang o ddefnydd. NdFeB magnets are commonly used in various applications, such as motors, generators, and magnetic bearings.
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As the third generation of rare earth permanent magnet, Neodymium magnets are the most powerful commercially produced magnets. Mae magnet neodymiwm arc, a elwir hefyd yn fagnet crwm neodymiwm, yn siâp unigryw o fagnet neodymiwm, yna defnyddir bron pob un o fagnet neodymiwm arc ar gyfer rotor a stator mewn moduron magnet parhaol (PM), generaduron, generaduron, neu gwpeli magnetig.
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30 mlynedd o gyflenwr prin y ddaear rownd ndfeb magnet silindr disg parhaol N52
Neodymium magnets are graded according to the material from which they are made. The higher the rating (the number after the “N”), the stronger the magnet and the higher the value. The highest grade of neodymium magnets currently available is N54. Any letters after the rating refer to the maximum temperature rating of the magnet Neodyn. If there is no letter after the grade, the standard temperature of the magnet is 80 °C. Mae graddfeydd tymheredd yn dymheredd safonol (dim llythyr) ac yna - M (100 ° C) - H (120 ° C) - SH (150 ° C) - UH (180 ° C) - EH (200 ° C) - AH (220 ° C) c) ° C) Er enghraifft: os yw angen tymheredd y tymheredd, a bod angen y tymheredd ar y tymheredd, a thymheredd use.
