{"id":16013,"date":"2023-02-22T04:01:38","date_gmt":"2023-02-22T04:01:38","guid":{"rendered":"https:\/\/bemagnet.com\/?p=16013"},"modified":"2023-02-23T08:00:59","modified_gmt":"2023-02-23T08:00:59","slug":"aimant-en-neodyme","status":"publish","type":"post","link":"https:\/\/bemagnet.com\/fr\/neodymium-magnet-vs-ferrite-magnet\/","title":{"rendered":"Aimant n\u00e9odyme et aimant ferrite : Quelle est la diff\u00e9rence ?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16029 aligncenter\" src=\"https:\/\/bemagnet.com\/wp-content\/uploads\/2023\/02\/Neodymium-Magnet-Vs-Ferrite-Magnet.jpg\" alt=\"Aimant n\u00e9odyme vs aimant ferrite\" width=\"800\" height=\"450\" srcset=\"https:\/\/bemagnet.com\/wp-content\/uploads\/2023\/02\/Neodymium-Magnet-Vs-Ferrite-Magnet.jpg 800w, https:\/\/bemagnet.com\/wp-content\/uploads\/2023\/02\/Neodymium-Magnet-Vs-Ferrite-Magnet-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Choisir un aimant n\u00e9odyme ou un aimant ferrite peut s'av\u00e9rer une t\u00e2che ardue.<\/p>\n<p>Cependant, conna\u00eetre la diff\u00e9rence entre ces deux aimants peut simplifier l'ensemble du processus.<\/p>\n<p>C'est pourquoi ce guide compare les deux aimants c\u00f4te \u00e0 c\u00f4te pour une meilleure compr\u00e9hension.<\/p>\n<p>Plongeons dans le vif du sujet :<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Aimant n\u00e9odyme en bloc et fin\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/XGnssZ6ltck?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<table>\n<tbody>\n<tr>\n<td width=\"200\"><strong>Caract\u00e9ristiques ou propri\u00e9t\u00e9s magn\u00e9tiques \u00e0 comparer<\/strong><\/td>\n<td width=\"200\"><strong>Aimant en n\u00e9odyme<\/strong><\/td>\n<td width=\"200\"><strong>Aimants en ferrite<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><strong>Composition chimique<\/strong><\/td>\n<td width=\"200\">\n<ul>\n<li>Il se compose de bore, de n\u00e9odyme et de fer, principalement d\u00e9sign\u00e9s sous le nom de Nd<sub>2<\/sub> Fe<sub>14<\/sub> B<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Ils sont fabriqu\u00e9s \u00e0 partir de compos\u00e9s de ferrite qui sont principalement de l'oxyde de fer (Fe<sub>2<\/sub>O<sub>3<\/sub>)<\/li>\n<li>Leur composition chimique est SrO-6(Fe<sub>2<\/sub>O<sub>3<\/sub>)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><strong>Co\u00fbt<\/strong><\/td>\n<td width=\"200\">\n<ul>\n<li>Plus chers que les aimants en ferrite<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Plus abordable<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><strong>Force magn\u00e9tique (comparaison d'aimants de m\u00eame taille)<\/strong><\/td>\n<td width=\"200\">\n<ul>\n<li>Puissance magn\u00e9tique sup\u00e9rieure \u00e0 celle des aimants ferritiques.<\/li>\n<li>La force magn\u00e9tique varie de 1,4 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tesla_(unit)\">tesla<\/a><\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Bien que la force magn\u00e9tique soit \u00e9lev\u00e9e, elle est inf\u00e9rieure \u00e0 celle des aimants en n\u00e9odyme.<\/li>\n<\/ul>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><strong>Espace requis<\/strong><\/td>\n<td width=\"200\">\n<ul>\n<li>Le meilleur choix lorsque l'espace est limit\u00e9 mais qu'une force magn\u00e9tique \u00e9lev\u00e9e est n\u00e9cessaire.<\/li>\n<li>Il est donc plus facile de miniaturiser les composants<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Peut n\u00e9cessiter un espace plus grand, mais la force magn\u00e9tique est plus faible.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><strong>Fluctuations des prix<\/strong><\/td>\n<td width=\"200\">\n<ul>\n<li>Fluctue car il est fabriqu\u00e9 \u00e0 partir de m\u00e9taux de terres rares<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Prix stable car l'aimant n'est pas fabriqu\u00e9 \u00e0 partir de m\u00e9taux des terres rares<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Remanence\"><strong>R\u00e9manence<\/strong><\/a><\/td>\n<td width=\"200\">\n<ul>\n<li>Tr\u00e8s \u00e9lev\u00e9 que<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>L\u00e9g\u00e8rement inf\u00e9rieur<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Temp\u00e9rature de travail<\/td>\n<td width=\"200\">\n<ul>\n<li>\u00c0 des temp\u00e9ratures sup\u00e9rieures \u00e0 80 degr\u00e9s Celsius, le n\u00e9odyme commence \u00e0 perdre ses propri\u00e9t\u00e9s magn\u00e9tiques.<\/li>\n<li>Cela implique qu'ils ont une faible <a href=\"https:\/\/en.wikipedia.org\/wiki\/Curie_temperature\">Temp\u00e9rature de Curie<\/a> (Tc).<\/li>\n<li>En outre, les caract\u00e9ristiques de temp\u00e9rature sont \u00e9galement m\u00e9diocres<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Temp\u00e9rature de fonctionnement comprise entre -40 et 250 degr\u00e9s Celsius<\/li>\n<li>Ils ont une temp\u00e9rature de curie \u00e9lev\u00e9e (Tc)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">R\u00e9sistance \u00e0 la corrosion<\/td>\n<td width=\"200\">\n<ul>\n<li>Ne r\u00e9siste pas aux produits chimiques, et peut donc ne pas convenir \u00e0 une utilisation en ext\u00e9rieur sans m\u00e9canisme de protection appropri\u00e9.<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Il pr\u00e9sente une excellente r\u00e9sistance \u00e0 la corrosion, en particulier aux produits chimiques. D'une mani\u00e8re g\u00e9n\u00e9rale, c'est un choix parfait pour la plupart des applications ext\u00e9rieures.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">R\u00e9sistance \u00e0 la rupture<\/td>\n<td width=\"200\">\n<ul>\n<li>Se casse facilement<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Peut r\u00e9sister \u00e0 la rupture<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Capacit\u00e9 \u00e0 conserver les propri\u00e9t\u00e9s magn\u00e9tiques<\/td>\n<td width=\"200\">\n<ul>\n<li>Peut conserver ses propri\u00e9t\u00e9s magn\u00e9tiques pendant longtemps.<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Ils peuvent conserver leurs propri\u00e9t\u00e9s magn\u00e9tiques pendant une longue p\u00e9riode.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Applications de d\u00e9coration<\/td>\n<td width=\"200\">\n<ul>\n<li>Gr\u00e2ce \u00e0 leur couleur argent\u00e9e, ces aimants peuvent \u00eatre adapt\u00e9s \u00e0 la plupart des applications d\u00e9coratives.<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Ne conviennent pas aux applications d\u00e9coratives en raison de leur couleur gris fonc\u00e9.<\/li>\n<li>La plupart de ces aimants ne sont pas faciles \u00e0 recouvrir.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Rev\u00eatement<\/td>\n<td width=\"200\">\n<ul>\n<li>N\u00e9cessite un rev\u00eatement car l'oxydation peut rapidement \u00e9roder la surface.<\/li>\n<li>La passivation est g\u00e9n\u00e9ralement le meilleur traitement de surface.<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>La surface ne n\u00e9cessite pas de rev\u00eatement<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Capacit\u00e9 \u00e0 r\u00e9sister \u00e0 un champ magn\u00e9tique externe (coercivit\u00e9)<\/td>\n<td width=\"200\">\n<ul>\n<li>Tr\u00e8s \u00e9lev\u00e9 par rapport aux aimants en ferrite<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Comparativement faible par rapport au n\u00e9odyme<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"200\">Application<\/td>\n<td width=\"200\">\n<ul>\n<li>Convient en cas de contraintes de poids et d'espace<\/li>\n<li>Les applications comprennent les moteurs, les appareils audio, les \u00e9quipements de levage, etc.<\/li>\n<\/ul>\n<\/td>\n<td width=\"200\">\n<ul>\n<li>Lorsque les circonstances le permettent, ils peuvent remplacer <a href=\"https:\/\/bemagnet.com\/fr\/aimants-en-neodyme\/\">aimants en terre rare<\/a>.<\/li>\n<li>Les applications courantes comprennent les aimants de balayage, les instruments, etc.<\/li>\n<li>Ils sont fragiles et ne peuvent donc pas \u00eatre utilis\u00e9s pour de nombreuses applications.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16016 aligncenter\" src=\"https:\/\/bemagnet.com\/wp-content\/uploads\/2023\/02\/Figure-1-Neodymium-Magnet.jpg\" alt=\"Aimant en n\u00e9odyme\" width=\"570\" height=\"360\" \/><\/p>\n<p style=\"text-align: center;\">Aimant en n\u00e9odyme<\/p>\n<p>Avec la comparaison d\u00e9taill\u00e9e des <a href=\"https:\/\/en.wikipedia.org\/wiki\/Neodymium_magnet\">aimant n\u00e9odyme et<\/a> Avec un aimant en ferrite, il est plus facile de choisir un aimant permanent pour vos applications.<\/p>\n<h2>FAQ rapide<\/h2>\n<h2>Comment comparer les haut-parleurs \u00e0 aimant n\u00e9odyme et les haut-parleurs \u00e0 aimant ferrite ?<\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Aimants n\u00e9odyme VS ferrite dans les haut-parleurs !\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/nMZFmyq8fw4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Examinons quelques caract\u00e9ristiques qui vous aideront \u00e0 choisir les meilleurs haut-parleurs magn\u00e9tiques.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"301\"><strong>Exigences en mati\u00e8re de conception de haut-parleurs en fonction de l'aimant<\/strong><\/td>\n<td width=\"301\"><strong>Type d'aimant propos\u00e9<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"301\">Efficacit\u00e9 par unit\u00e9 de volume<\/td>\n<td width=\"301\">\n<ul>\n<li>Aimants en n\u00e9odyme<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"301\">Taille de l'enceinte<\/td>\n<td width=\"301\">\n<ul>\n<li>Les petites enceintes n\u00e9cessitent des aimants en n\u00e9odyme tandis que les grandes enceintes utilisent des aimants en ferrite.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"301\">Grande force magn\u00e9tique<\/td>\n<td width=\"301\">\n<ul>\n<li>Choisir le n\u00e9odyme<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"301\">Le co\u00fbt est une pr\u00e9occupation<\/td>\n<td width=\"301\">\n<ul>\n<li>Choisir des aimants en ferrite pour les haut-parleurs<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"301\">Haut-parleurs pouvant fonctionner \u00e0 une temp\u00e9rature l\u00e9g\u00e8rement \u00e9lev\u00e9e<\/td>\n<td width=\"301\">\n<ul>\n<li>Les aimants ferritiques sont la meilleure solution<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Diff\u00e9rents types d&#039;aimants - N\u00e9odyme, Ferrite, Caoutchouc | Magnet Manila\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/jNM1XvFvfG8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>N'oubliez pas que vous pouvez utiliser \u00e0 la fois des aimants en n\u00e9odyme et des aimants en c\u00e9ramique ferrite pour fabriquer des haut-parleurs de haute qualit\u00e9.<\/p>\n<h2>L'aimant en nitrure de fer est-il plus puissant que le n\u00e9odyme ?<\/h2>\n<p>En th\u00e9orie, les aimants en nitrure de fer ont tendance \u00e0 \u00eatre plus puissants que les aimants en n\u00e9odyme. Ils ne n\u00e9cessitent pas de terres rares.<\/p>\n<h2>Les aimants ferritiques perdront-ils leur magn\u00e9tisme ?<\/h2>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Ferrite_(magnet)\">Aimants ferritiques<\/a> peuvent conserver leur magn\u00e9tisme pendant longtemps. Il ne peut perdre qu'un faible pourcentage de son magn\u00e9tisme initial apr\u00e8s 100 ans.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16017 aligncenter\" src=\"https:\/\/bemagnet.com\/wp-content\/uploads\/2023\/02\/Figure-2-Magnetize-magnets.jpg\" alt=\"Magn\u00e9tiser les aimants\" width=\"570\" height=\"360\" \/><\/p>\n<p style=\"text-align: center;\">Magnetize Magnets - Source : Bunting<\/p>\n<h2>La chaleur peut-elle endommager l'aimant n\u00e9odyme ?<\/h2>\n<p>Au-dessus de 80 degr\u00e9s Celsius, l'aimant n\u00e9odyme sera endommag\u00e9. La temp\u00e9rature maximale de fonctionnement est de 80 degr\u00e9s Celsius.<\/p>\n<h2>Les aimants en n\u00e9odyme peuvent-ils s'\u00e9cailler ou se d\u00e9coller ?<\/h2>\n<p>Oui.<\/p>\n<p>N'oubliez pas que cet aimant permanent est fragile et qu'il peut se fissurer, s'\u00e9cailler ou se briser. De tels sc\u00e9narios sont possibles m\u00eame s'ils sont fabriqu\u00e9s \u00e0 partir de m\u00e9taux et peuvent \u00eatre rev\u00eatus.<\/p>\n<h2>Conclusion<\/h2>\n<p>La diff\u00e9rence entre <a href=\"https:\/\/www.differencebetween.com\/difference-between-neodymium-and-ferrite-magnets\/\">aimants en n\u00e9odyme et aimants en ferrite<\/a>La diff\u00e9rence entre les deux types d'aimants r\u00e9side principalement dans la composition et les performances du mat\u00e9riau. Gr\u00e2ce aux informations contenues dans le tableau ci-dessus, il est plus facile de d\u00e9cider s'il convient de choisir des aimants en terre rare ou des aimants en ferrite.<\/p>\n<p>Pour tous vos aimants de qualit\u00e9 en provenance de Chine, <a href=\"https:\/\/bemagnet.com\/fr\/nous-contacter\/\">nous contacter<\/a>.<\/p>\n<p><strong>Plus de ressources<\/strong>:<\/p>\n<p><a href=\"https:\/\/bemagnet.com\/fr\/aimants-en-ferrite\/\">Types d'aimants en ferrite<\/a> - Source : BMAGNET<\/p>\n<p><a href=\"https:\/\/www.first4magnets.com\/tech-centre-i61\/information-and-articles-i70\/a-comparison-of-magnetic-materials-at-a-glance-i79\">Comparaison des mat\u00e9riaux magn\u00e9tiques<\/a> - Source : First 4 Magnates<\/p>\n<p><a href=\"https:\/\/www.fisherpaykeltechnologies.com\/knowledge-hub\/what-is-the-difference-between-rare-earth-and-ferrite-magnets\">Aimants en terres rares et aimants en ferrite<\/a> - Source : FISHER &amp; PAYKEL<\/p>","protected":false},"excerpt":{"rendered":"<p>Deciding whether to choose neodymium magnet vs ferrite magnet can be an uphill task. However, knowing the difference between these two magnets can simplify the whole process. For that reason, this guide will compare the two magnets side-by-side for a clear understanding. Let\u2019s dive right in: Magnetic Features or Properties to Compare Neodymium Magnet Ferrite [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16029,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Neodymium Magnet vs Ferrite Magnet: What is the Difference - Dailymag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bemagnet.com\/fr\/aimant-neodyme-vs-aimant-ferrite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Neodymium Magnet vs Ferrite Magnet: What is the Difference - Dailymag\" \/>\n<meta property=\"og:description\" content=\"Deciding whether to choose neodymium magnet vs ferrite magnet can be an uphill task. However, knowing the difference between these two magnets can simplify the whole process. For that reason, this guide will compare the two magnets side-by-side for a clear understanding. 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