{"id":5653,"date":"2024-03-15T15:57:42","date_gmt":"2024-03-15T14:57:42","guid":{"rendered":"https:\/\/sciences.brussels\/printemps\/?post_type=projet-expo&#038;p=5653"},"modified":"2024-04-08T17:10:49","modified_gmt":"2024-04-08T15:10:49","slug":"les-terres-rares-de-lextraction-a-linnovation-technologique-terres-rares-revolution-magnetique","status":"publish","type":"projet-expo","link":"https:\/\/sciences.brussels\/printemps\/projet-expo\/les-terres-rares-de-lextraction-a-linnovation-technologique-terres-rares-revolution-magnetique\/","title":{"rendered":"Les Terres Rares : de l&rsquo;extraction \u00e0 l\u2019innovation technologique (Terres rares : r\u00e9volution magn\u00e9tique)"},"content":{"rendered":"<p>Selon un rapport de l\u2019agence internationale de l\u2019\u00e9nergie (IEA), la majorit\u00e9 de la demande en terres rares (en particulier le n\u00e9odyme, le dysprosium, le pras\u00e9odyme et le terbium) proviennent de la fabrication d\u2019aimants permanents. Ces aimants sont fabriqu\u00e9s \u00e0 l\u2019aide de m\u00e9langes complexes de terres rares, m\u00e9taux et additifs, leur conf\u00e9rant des propri\u00e9t\u00e9s particuli\u00e8res. A travers cet atelier, nous allons illustrer certains processus chimiques pris en compte lors de l\u2019\u00e9laboration des aimants permanents.<\/p>\n","protected":false},"template":"","categorie-exo":[130,122,134],"class_list":["post-5653","projet-expo","type-projet-expo","status-publish","hentry","categorie-exo-faculte-des-sciences","categorie-exo-chimie","categorie-exo-ulb","description-off"],"_links":{"self":[{"href":"https:\/\/sciences.brussels\/printemps\/wp-json\/wp\/v2\/projet-expo\/5653"}],"collection":[{"href":"https:\/\/sciences.brussels\/printemps\/wp-json\/wp\/v2\/projet-expo"}],"about":[{"href":"https:\/\/sciences.brussels\/printemps\/wp-json\/wp\/v2\/types\/projet-expo"}],"wp:attachment":[{"href":"https:\/\/sciences.brussels\/printemps\/wp-json\/wp\/v2\/media?parent=5653"}],"wp:term":[{"taxonomy":"categorie-exo","embeddable":true,"href":"https:\/\/sciences.brussels\/printemps\/wp-json\/wp\/v2\/categorie-exo?post=5653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}