{"id":2234,"date":"2026-01-05T02:59:30","date_gmt":"2026-01-05T02:59:30","guid":{"rendered":"https:\/\/www.oem-silicone.com\/?p=2234"},"modified":"2026-01-05T02:59:33","modified_gmt":"2026-01-05T02:59:33","slug":"xinnengyuanhangyeyongguijiaomifengjiannaihouzuranyuchangqike","status":"publish","type":"post","link":"https:\/\/www.oem-silicone.com\/fr\/nouvelles\/2234\/","title":{"rendered":"Joints en silicone pour l'industrie des nouvelles \u00e9nergies : qu'en est-il de la r\u00e9sistance aux intemp\u00e9ries et aux flammes et de la fiabilit\u00e9 \u00e0 long terme ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pourquoi le nouveau secteur de l'\u00e9nergie est-il plus \"s\u00e9lectif\" ?<\/h2>\n\n\n\n<p>Les caract\u00e9ristiques communes des produits li\u00e9s aux nouvelles \u00e9nergies sont les suivantes<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ext\u00e9rieur\/semi-ext\u00e9rieur<\/strong>Utilisation, exposition prolong\u00e9e aux UV, \u00e0 la pluie, aux diff\u00e9rences de temp\u00e9rature<\/li>\n\n\n\n<li>Cycles de temp\u00e9rature fr\u00e9quents et objectifs de dur\u00e9e de vie plus longue<\/li>\n\n\n\n<li>Peut impliquer des v\u00e9rifications en mati\u00e8re d'ignifugation, de s\u00e9curit\u00e9 et de fiabilit\u00e9.<\/li>\n<\/ul>\n\n\n\n<p>Par cons\u00e9quent, l'essentiel des joints en silicone pour les nouvelles \u00e9nergies n'est pas seulement \"l'\u00e9tanch\u00e9it\u00e9\", mais aussi \"l'\u00e9tanch\u00e9it\u00e9 stable \u00e0 long terme\".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sc\u00e9narios d'application courants<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9tanch\u00e9it\u00e9 \u00e0 la poussi\u00e8re et \u00e0 l'eau du bo\u00eetier de la batterie\/de la commande \u00e9lectronique<\/li>\n\n\n\n<li>Etanch\u00e9it\u00e9 du connecteur et du trou de passage<\/li>\n\n\n\n<li>Amortissement structurel et amortissement des vibrations (avec \u00e9tanch\u00e9it\u00e9)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Condition essentielle : vous devez \u00e9crire clairement ces 4 points<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\uff09R\u00e9sistance aux intemp\u00e9ries et au vieillissement<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UV, ozone, pluie, chaleur et humidit\u00e9<\/li>\n\n\n\n<li>Durcissement, fissuration, perte de r\u00e9silience apr\u00e8s une exposition prolong\u00e9e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) R\u00e9tention du joint en cas de cycles de temp\u00e9rature diff\u00e9rentielle<\/h3>\n\n\n\n<p>Les changements de temp\u00e9rature entra\u00eenent une dilatation et une contraction des mat\u00e9riaux ainsi qu'une relaxation des contraintes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Focus sur la question de savoir si les fuites commencent apr\u00e8s les cycles chauds et froids<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3) Exigences en mati\u00e8re d'ignifugation ou de s\u00e9curit\u00e9 (le cas \u00e9ch\u00e9ant)<\/h3>\n\n\n\n<p>Si le produit doit \u00eatre ignifug\u00e9, le niveau cible et la m\u00e9thode d'essai doivent \u00eatre confirm\u00e9s \u00e0 un stade pr\u00e9coce.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4) Coh\u00e9rence de l'assemblage<\/h3>\n\n\n\n<p>Les nouveaux produits \u00e9nerg\u00e9tiques ont tendance \u00e0 avoir des lots de grande taille et des temps d'assemblage rapides.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e9cessit\u00e9 d'une structure plus \"r\u00e9sistante aux fluctuations\" : angle d'entr\u00e9e, positionnement, marges de compression.<\/li>\n<\/ul>\n\n\n\n<p><aside> \ud83e\uddea<\/p>\n\n\n\n<p>Il est recommand\u00e9 d'inclure des \"m\u00e9thodes de v\u00e9rification\" dans les exigences : par exemple, cycles chaud\/froid, chaud\/humide, conditions d'essai scell\u00e9es.<\/p>\n\n\n\n<p><\/aside><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Id\u00e9es de s\u00e9lection : le mat\u00e9riau, la duret\u00e9 et la structure d\u00e9terminent ensemble la qualit\u00e9 du produit.<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grandes lacunes structurelles et fluctuations de pression : envisager une duret\u00e9 plus \u00e9lev\u00e9e ou des supports renforc\u00e9s<\/li>\n\n\n\n<li>N\u00e9cessit\u00e9 d'un meilleur ajustement : envisager une rigidit\u00e9 moyenne et optimiser la compression<\/li>\n\n\n\n<li>Ext\u00e9rieur \u00e0 long terme : donner la priorit\u00e9 aux donn\u00e9es relatives aux intemp\u00e9ries et au vieillissement plut\u00f4t qu'\u00e0 la duret\u00e9 initiale.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9l\u00e9ments de validation communs (s\u00e9lectionn\u00e9s en fonction des besoins r\u00e9els)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coh\u00e9rence dimensionnelle (dimensions critiques CTQ)<\/li>\n\n\n\n<li>Essais d'\u00e9tanch\u00e9it\u00e9 (pulv\u00e9risation\/immersion dans l'eau\/\u00e9tanch\u00e9it\u00e9, etc., pr\u00e9ciser les conditions)<\/li>\n\n\n\n<li>Essai de cycle \u00e0 chaud et \u00e0 froid<\/li>\n\n\n\n<li>Vieillissement \u00e0 la chaleur humide<\/li>\n\n\n\n<li>Compression D\u00e9formation permanente Comparaison<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Causes courantes d'\u00e9chec<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compression insuffisante ou in\u00e9gale de la conception de la tranch\u00e9e<\/li>\n\n\n\n<li>Un angle d'attaque insuffisant entra\u00eene des rayures dans l'assemblage<\/li>\n\n\n\n<li>Un mauvais contr\u00f4le de l'espace conduit \u00e0 l'extrusion<\/li>\n\n\n\n<li>Insuffisance du rebond apr\u00e8s le vieillissement<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Pourquoi l'industrie des nouvelles \u00e9nergies est-elle plus \"pointilleuse\" ? Les caract\u00e9ristiques communes des produits li\u00e9s aux nouvelles \u00e9nergies sont les suivantes : Par cons\u00e9quent, le c\u0153ur des joints en silicone pour les nouvelles \u00e9nergies n'est pas seulement \"capable de sceller\", mais 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