{"id":461,"date":"2022-06-15T14:46:30","date_gmt":"2022-06-15T14:46:30","guid":{"rendered":"https:\/\/nbaem.com\/?page_id=461"},"modified":"2025-09-09T07:02:00","modified_gmt":"2025-09-09T07:02:00","slug":"magnets-materials","status":"publish","type":"page","link":"https:\/\/nbaem.com\/ro\/magnets-materials\/","title":{"rendered":"Materiale magnetice"},"content":{"rendered":"

Materiale magnetice<\/h1><\/h1><\/div>

NBAEM high-performance permanent magnet products have a wide variety of applications, from electric motors on ships, aircraft and motorsport vehicles, to pump couplings, batteries, solar panels and NMR Equipment. Our diverse markets allow us to keep our technologies on the leading edge of innovation. Our custom magnet production and fabrication\u00a0ensures that our customers receive magnet products that are specifically catered to their unique design requirements.<\/p>\n<\/div>

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<\/i>Materiale magnetice<\/h2><\/h2><\/div><\/div><\/div>
\"materialelor<\/a><\/span><\/div>

Magneti de neodimiu<\/h3><\/h3><\/div>

Magne\u021bii din neodimiu fier bor (NdFeB), sau magne\u021bii \u201eneo\u201d ofer\u0103 cel mai \u00eenalt produs energetic dintre toate materialele de ast\u0103zi \u0219i sunt disponibili \u00eentr-o gam\u0103 larg\u0103 de forme, dimensiuni \u0219i grade, inclusiv GBD. Magne\u021bii Neo pot fi \u00eent\u00e2lni\u021bi \u00eentr-o varietate de aplica\u021bii, inclusiv motoare de \u00eenalt\u0103 performan\u021b\u0103, motoare DC f\u0103r\u0103 perii, separare magnetic\u0103, rezonan\u021b\u0103 magnetic\u0103, senzori \u0219i difuzoare.<\/p>\n<\/div>

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\"bonded<\/a><\/span><\/div>

Magneti m\u0103rgini\u021bi<\/h3><\/h3><\/div>

Materialele magnetice cimentate pot fi realizate din pulberi ceramici, NdFeB sau SmCo, care sunt combinate cu o varietate de liante plastice (Matrice). Ele pot fi fie injectate prin turnare prin injec\u021bie, fie cimentate prin comprimare \u00een forme magnetice complexe cu dimensiuni finale. Materialele magnetice cimentate au o rezisten\u021b\u0103 moderat\u0103 la coroziune \u0219i o toleran\u021b\u0103 mic\u0103 la c\u0103ldur\u0103 din cauza materialului liant.<\/p>\n<\/div>

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\"samarium<\/a><\/span><\/div><\/div>

Magneti de samariu \u0219i cobalt<\/h3><\/h3><\/div>

Magnetii din samariu cobalt (cunoscu\u021bi \u0219i ca magne\u021bi SmCo) sunt extrem de puternici\u00a0permanen\u0163i<\/a>. Parte a familiei de magne\u021bi de p\u0103m\u00e2nt rar, magne\u021bii SmCo au o for\u021b\u0103 comparabil\u0103 cu magne\u021bii de neodimiu, dar au o stabilitate termic\u0103 mult mai mare \u0219i o coercitivitate superioar\u0103. Ei pot func\u021biona la temperaturi de p\u00e2n\u0103 la 525\u00b0F (300\u00b0C). \u00cen plus, au o rezisten\u021b\u0103 foarte mare la demagnetizare \u0219i la coroziune.<\/p>\n<\/div>

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\"Alnico<\/a><\/span><\/div>

Magneti din alnico<\/h3><\/h3><\/div>

Magne\u021bii Alnico sunt fabrica\u021bi din aluminiu, nichel, cobalt, fier \u0219i c\u00e2teva alte elemente, cum ar fi cuprul, titanul \u0219i sulful. Magne\u021bii Alnico sunt demagnetiza\u021bi relativ u\u0219or, dar rezist\u0103 bine la oxidare. aliajele Alnico fac magne\u021bi permanen\u021bi puternici \u0219i pot fi magnetiza\u021bi pentru a produce c\u00e2mpuri magnetice puternice. dintre magne\u021bii mai frecvent disponibili, doar magne\u021bii de p\u0103m\u00e2nt rar, cum ar fi neodimiu \u0219i samariu-cobalt, sunt mai puternici.<\/p>\n<\/div>

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\"ferrit\"<\/a><\/span><\/div>

Magneti ferri\u021bi<\/h3><\/h3><\/div>

Ferrit, sau cunoscu\u021bi \u0219i ca Ceramic, magne\u021bii sunt rezisten\u021bi la coroziune \u2013 pot fi utiliza\u021bi \u00een ap\u0103 f\u0103r\u0103 coroziune deloc. De\u0219i nu sunt la fel de puternici ca magne\u021bii Rare Earth NdFeB, coercivitatea lor \u00eenalt\u0103 \u0219i costul relativ sc\u0103zut \u00eei fac ideali pentru utilizarea \u00een motoare \u0219i motoare la temperaturi ridicate. Magne\u021bii Ferrit sunt, de asemenea, denumi\u021bi Ceramic, Feroba Magneti \u0219i Magne\u021bi Facilor Dur Ferrit<\/p>\n<\/div>

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\"rubber<\/a><\/span><\/div>

Magne\u021bi de cauciuc<\/h3><\/h3><\/div>

Magne\u021bii din cauciuc, cunoscu\u021bi \u0219i ca magne\u021bi flexibili, sunt realiza\u021bi din pulbere de magne\u021bi ferrit sau pulbere de p\u0103m\u00e2nt rar, combina\u021bi cu cauciuc, r\u0103\u0219in\u0103 \u0219i alte materiale. Magne\u021bii acoperi\u021bi \u00een cauciuc ofer\u0103 o aderen\u021b\u0103 superioar\u0103 prin cre\u0219terea fric\u021biunii pe suprafa\u021b\u0103, f\u0103r\u0103 a marca sau zg\u00e2ria. Acoperirea din cauciuc face ace\u0219ti magne\u021bi ideali pentru aplica\u021bii precum suspendarea semnelor exterioare \u0219i montarea caror sau senzorilor.<\/p>\n<\/div>

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\"hot<\/a><\/span><\/div>

Magneti supu\u0219i la presiune la cald<\/h3><\/h3><\/div>

Hot-deformed anisotropic Nd-Fe-B magnets may potentially attain high coercivity due to their fine and highly orientated crystal grain microstructure as a result of the unique production process that creates these magnets. Hot Pressed magnets are radially oriented NdFeB rings who\u2019s orientation is obtained by mechanical pressing of the Rare Earth powers through a process called Backward Extrusion<\/p>\n<\/div>

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\"fecroco<\/a><\/span><\/div>

FeCrCo Magnets<\/h3><\/h3><\/div>

FeCrCo\u00a0permanent magnet<\/strong> first appeared in the early 1970s. FeCrCo Magnets have something similar with Alnico Magnet on production and characteristic. FeCrCo Magnets also have high remanence but low Hc which is similar with Alnico 5 Magnets, They also have high working temperature and very low-temperature coefficient of Br which is also similar with Alnico Magnets.<\/p>\n<\/div>

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\"Furnizor<\/a><\/span><\/div>

Magne\u021bi Laminati<\/h3><\/h3><\/div>

Laminated magnets are also\u00a0known as\u00a0segmented\u00a0magnets.\u00a0They are made of two or more individual magnets bonded yet insulated to each other. Laminated\u00a0NdFeB magnets were developed for the purpose of enhancing the performance of electric machines. This is achieved by preventing the magnets from overheating. In addition to NdFeB, Sm2Co7 magnet is also commonly applied in the magnet segmentation technology.<\/p>\n<\/div>

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