{"id":82482,"date":"2024-01-14T13:19:23","date_gmt":"2024-01-14T13:19:23","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/"},"modified":"2024-01-23T13:08:43","modified_gmt":"2024-01-23T13:08:43","slug":"attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/","title":{"rendered":"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme"},"content":{"rendered":"

Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques : Le Magn\u00e9tisme<\/h2>\n

Le magn\u00e9tisme est une force fondamentale de la nature r\u00e9sultant du mouvement de particules charg\u00e9es, telles que les \u00e9lectrons. Il constitue l’une des deux composantes de la force \u00e9lectromagn\u00e9tique, l’autre \u00e9tant l’\u00e9lectricit\u00e9. Le magn\u00e9tisme est responsable de l’attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux, comme le fer, le nickel et le cobalt, connus sous le nom de mat\u00e9riaux ferromagn\u00e9tiques.<\/p>\n

Th\u00e9orie de l’attraction et de la r\u00e9pulsion entre mat\u00e9riaux magn\u00e9tiques<\/h2>\n

La th\u00e9orie de l’attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme. La force magn\u00e9tique provient du mouvement des particules charg\u00e9es, comme les \u00e9lectrons, au sein des atomes. Ces charges en mouvement cr\u00e9ent de petits champs magn\u00e9tiques, appel\u00e9s moments dipolaires magn\u00e9tiques. Dans certains mat\u00e9riaux magn\u00e9tiques, tels que les mat\u00e9riaux ferromagn\u00e9tiques (par exemple, le fer, le nickel et le cobalt), les moments dipolaires magn\u00e9tiques des atomes adjacents ont tendance \u00e0 s’aligner parall\u00e8lement, formant des r\u00e9gions appel\u00e9es domaines magn\u00e9tiques. Lorsque ces domaines sont align\u00e9s dans la m\u00eame direction, ils produisent un champ magn\u00e9tique net, r\u00e9sultant en un mat\u00e9riau magn\u00e9tis\u00e9 avec des p\u00f4les nord et sud distincts.<\/p>\n

Le principe fondamental r\u00e9gissant l’interaction entre les mat\u00e9riaux magn\u00e9tiques est que les p\u00f4les oppos\u00e9s s’attirent, tandis que les p\u00f4les similaires se repoussent. Ceci peut \u00eatre expliqu\u00e9 comme suit :<\/p>\n

Attraction :<\/b> Lorsque le p\u00f4le nord d’un aimant est rapproch\u00e9 du p\u00f4le sud d’un autre aimant, leurs champs magn\u00e9tiques interagissent, entra\u00eenant la connexion et le flux des lignes de champ magn\u00e9tique de l’un vers l’autre. Ce flux de lignes de champ magn\u00e9tique r\u00e9sulte en une force attractive entre les deux aimants.<\/p>\n

R\u00e9pulsion :<\/b> \u00c0 l’inverse, lorsque deux p\u00f4les similaires (par exemple, deux p\u00f4les nord ou deux p\u00f4les sud) sont rapproch\u00e9s, les lignes de champ magn\u00e9tique \u00e9manant de chaque p\u00f4le sont forc\u00e9es de se courber et de retourner \u00e0 leurs p\u00f4les oppos\u00e9s respectifs. Cette interaction cr\u00e9e une force r\u00e9pulsive entre les deux aimants.<\/p>\n

En plus des mat\u00e9riaux ferromagn\u00e9tiques, il existe \u00e9galement des mat\u00e9riaux paramagn\u00e9tiques et diamagn\u00e9tiques. Les mat\u00e9riaux paramagn\u00e9tiques poss\u00e8dent des \u00e9lectrons non appari\u00e9s avec des moments dipolaires magn\u00e9tiques qui s’alignent avec un champ magn\u00e9tique externe, r\u00e9sultant en une faible attraction. Les mat\u00e9riaux diamagn\u00e9tiques, en revanche, sont faiblement repouss\u00e9s par les champs magn\u00e9tiques externes en raison des moments dipolaires magn\u00e9tiques induits qui s’opposent au champ appliqu\u00e9. Toutefois, ces forces sont consid\u00e9rablement plus faibles que les forces observ\u00e9es dans les mat\u00e9riaux ferromagn\u00e9tiques.<\/p>\n

\"Attraction<\/p>\n

\n Original Article<\/a>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.<\/p>\n","protected":false},"author":1,"featured_media":1576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-82482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\nAttraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme<\/title>\n<meta name=\"description\" content=\"La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme\" \/>\n<meta property=\"og:description\" content=\"La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - Magnetism\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-14T13:19:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-23T13:08:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/#website\",\"url\":\"https:\/\/www.electricity-magnetism.org\/fr\/\",\"name\":\"Electricity - Magnetism\",\"description\":\"All about electricity and magnetism.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.electricity-magnetism.org\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"contentUrl\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"width\":200,\"height\":200,\"caption\":\"\\u00c9lectromagn\\u00e9tisme\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#webpage\",\"url\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/\",\"name\":\"Attraction et r\\u00e9pulsion des mat\\u00e9riaux magn\\u00e9tiques | Th\\u00e9orie du magn\\u00e9tisme\",\"isPartOf\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#primaryimage\"},\"datePublished\":\"2024-01-14T13:19:23+00:00\",\"dateModified\":\"2024-01-23T13:08:43+00:00\",\"author\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\"},\"description\":\"La th\\u00e9orie de l\\u2019attraction et de la r\\u00e9pulsion entre certains mat\\u00e9riaux magn\\u00e9tiques repose sur les principes fondamentaux du magn\\u00e9tisme.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.electricity-magnetism.org\/fr\/electricity-magnetism-page\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Attraction et r\\u00e9pulsion des mat\\u00e9riaux magn\\u00e9tiques | Th\\u00e9orie du magn\\u00e9tisme\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/fr\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\",\"name\":\"Matan\",\"url\":\"https:\/\/www.electricity-magnetism.org\/fr\/author\/matan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme","description":"La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/","og_locale":"fr_FR","og_type":"article","og_title":"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme","og_description":"La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.","og_url":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/","og_site_name":"Electricity - Magnetism","article_published_time":"2024-01-14T13:19:23+00:00","article_modified_time":"2024-01-23T13:08:43+00:00","og_image":[{"width":200,"height":200,"url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Matan","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/www.electricity-magnetism.org\/fr\/#website","url":"https:\/\/www.electricity-magnetism.org\/fr\/","name":"Electricity - Magnetism","description":"All about electricity and magnetism.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.electricity-magnetism.org\/fr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"ImageObject","@id":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#primaryimage","inLanguage":"fr-FR","url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","contentUrl":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","width":200,"height":200,"caption":"\u00c9lectromagn\u00e9tisme"},{"@type":"WebPage","@id":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#webpage","url":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/","name":"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme","isPartOf":{"@id":"https:\/\/www.electricity-magnetism.org\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#primaryimage"},"datePublished":"2024-01-14T13:19:23+00:00","dateModified":"2024-01-23T13:08:43+00:00","author":{"@id":"https:\/\/www.electricity-magnetism.org\/fr\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29"},"description":"La th\u00e9orie de l\u2019attraction et de la r\u00e9pulsion entre certains mat\u00e9riaux magn\u00e9tiques repose sur les principes fondamentaux du magn\u00e9tisme.","breadcrumb":{"@id":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.electricity-magnetism.org\/fr\/attraction-et-repulsion-des-materiaux-magnetiques-theorie-du-magnetisme\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.electricity-magnetism.org\/fr\/electricity-magnetism-page\/"},{"@type":"ListItem","position":2,"name":"Attraction et r\u00e9pulsion des mat\u00e9riaux magn\u00e9tiques | Th\u00e9orie du magn\u00e9tisme"}]},{"@type":"Person","@id":"https:\/\/www.electricity-magnetism.org\/fr\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29","name":"Matan","url":"https:\/\/www.electricity-magnetism.org\/fr\/author\/matan\/"}]}},"_links":{"self":[{"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/posts\/82482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/comments?post=82482"}],"version-history":[{"count":0,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/posts\/82482\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/media\/1576"}],"wp:attachment":[{"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/media?parent=82482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/categories?post=82482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/fr\/wp-json\/wp\/v2\/tags?post=82482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}