{"id":1680,"date":"2024-12-29T20:29:33","date_gmt":"2024-12-29T18:29:33","guid":{"rendered":"https:\/\/4h-jewellery-tutorials.com\/product\/tutorial-2-recuit-des-metaux-precieux\/"},"modified":"2025-03-11T13:07:56","modified_gmt":"2025-03-11T11:07:56","slug":"tutorial-2-recuit-des-metaux-precieux","status":"publish","type":"product","link":"https:\/\/4h-jewellery-tutorials.com\/fr\/produit\/tutorial-2-recuit-des-metaux-precieux\/","title":{"rendered":"Tutoriel n\u00b0 2 : Recuit des m\u00e9taux pr\u00e9cieux"},"content":{"rendered":"<p data-start=\"108\" data-end=\"575\">Le <strong data-start=\"108\" data-end=\"121\">recuit<\/strong> est un processus essentiel de l&rsquo;<strong data-start=\"149\" data-end=\"165\">orf\u00e8vrerie<\/strong> qui permet aux <strong data-start=\"178\" data-end=\"188\">m\u00e9taux<\/strong> tels que l&rsquo;<strong data-start=\"194\" data-end=\"202\">or<\/strong>, l&rsquo;<strong data-start=\"204\" data-end=\"214\">argent<\/strong> et le <strong data-start=\"220\" data-end=\"232\">platine<\/strong> d&rsquo;\u00eatre remodel\u00e9s apr\u00e8s avoir \u00e9t\u00e9 pli\u00e9s ou forg\u00e9s. Lorsque ces <strong data-start=\"285\" data-end=\"295\" data-is-only-node=\"\">m\u00e9taux<\/strong> sont travaill\u00e9s, ils durcissent, ce qui rend difficile la poursuite de leur mise en forme. Lors du <strong data-start=\"374\" data-end=\"387\">recuit<\/strong>, le mat\u00e9riau est chauff\u00e9 jusqu&rsquo;\u00e0 ce qu&rsquo;il devienne <strong data-start=\"427\" data-end=\"434\">rouge<\/strong> ou <strong data-start=\"438\" data-end=\"448\">orange<\/strong>, puis il est rapidement refroidi, g\u00e9n\u00e9ralement dans de <strong data-start=\"485\" data-end=\"494\">l&rsquo;eau<\/strong>. Ce processus ramollit \u00e0 nouveau le <strong data-start=\"521\" data-end=\"530\">m\u00e9tal<\/strong>, le rendant mall\u00e9able pour un travail ult\u00e9rieur.   <\/p>\n<p data-start=\"577\" data-end=\"970\">Le recuit permet de <strong>r\u00e9duire les tensions internes<\/strong> dans le <strong data-start=\"627\" data-end=\"636\">m\u00e9tal<\/strong>, ce qui \u00e9vite les fissures ou les cassures lors de la mise en forme ult\u00e9rieure. Il facilite \u00e9galement la <strong data-start=\"707\" data-end=\"720\">soudure<\/strong> et permet d&rsquo;am\u00e9liorer la texture et la finition de la surface, donnant ainsi \u00e0 la pi\u00e8ce l&rsquo;aspect souhait\u00e9. Chaque <strong data-start=\"821\" data-end=\"830\">m\u00e9tal<\/strong> a sa propre <strong>temp\u00e9rature optimale<\/strong> pour le recuit, l&rsquo;<strong data-start=\"887\" data-end=\"895\">or<\/strong> \u00e9tant g\u00e9n\u00e9ralement chauff\u00e9 \u00e0 une temp\u00e9rature comprise entre <strong data-start=\"930\" data-end=\"949\" data-is-only-node=\"\">430\u00b0C et 595\u00b0C<\/strong> (800\u00b0F et 1 100\u00b0F).  <\/p>\n<p data-start=\"972\" data-end=\"1177\">Pour des raisons de <strong data-start=\"976\" data-end=\"986\">s\u00e9curit\u00e9<\/strong>, il convient de toujours porter des <strong data-start=\"988\" data-end=\"1013\">gants<\/strong> et des <strong data-start=\"1018\" data-end=\"1029\">lunettes<\/strong> <strong data-start=\"988\" data-end=\"1013\">r\u00e9sistants \u00e0 la chaleur<\/strong> et de travailler dans un endroit bien ventil\u00e9. Des pr\u00e9cautions doivent \u00e9galement \u00eatre prises lors de la trempe du <strong data-start=\"1152\" data-end=\"1161\">m\u00e9tal<\/strong> afin d&rsquo;\u00e9viter les br\u00fblures. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le cintrage ou le forgeage durcit l&rsquo;or, l&rsquo;argent et le platine. \u00c0 un moment donn\u00e9, le mat\u00e9riau devient si dur qu&rsquo;il ne peut plus \u00eatre forg\u00e9 ou pli\u00e9. Cela signifie qu&rsquo;il doit \u00eatre recuit une nouvelle fois, ce que l&rsquo;on appelle un recuit interm\u00e9diaire. Le mat\u00e9riau est chauff\u00e9 \u00e0 l&rsquo;aide d&rsquo;une flamme jusqu&rsquo;\u00e0 ce qu&rsquo;une lueur rouge ou orange soit visible dans le mat\u00e9riau. Le m\u00e9tal pr\u00e9cieux est ensuite refroidi dans l&rsquo;eau. 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