{"id":8334,"date":"2012-07-03T17:00:11","date_gmt":"2012-07-03T15:00:11","guid":{"rendered":"https:\/\/www.gold.fr\/news\/?p=8334"},"modified":"2021-02-04T14:12:53","modified_gmt":"2021-02-04T13:12:53","slug":"les-domaines-dutilisation-de-lor","status":"publish","type":"post","link":"https:\/\/www.gold.fr\/news\/2012\/07\/03\/les-domaines-dutilisation-de-lor\/","title":{"rendered":"Les domaines d&rsquo;utilisation de l&rsquo;Or"},"content":{"rendered":"<p><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-thumbnail wp-image-8336\" style=\"float: left; margin: 5px; border: 1px solid black;\" title=\"electricit\u00e9-or\" src=\"https:\/\/www.gold.fr\/news\/wp-content\/uploads\/2012\/07\/electricit\u00e9-or-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/>L&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">Or<\/a>, en dehors de sa valeur \u00e9conomique, pr\u00e9sente plusieurs avantages d&rsquo;utilisation industrielle. En effet il est employ\u00e9 dans plusieurs domaines :<\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>Les nanotechnologies<\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">Compte tenu des propri\u00e9t\u00e9s physiques de l&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a>, ce <a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">m\u00e9tal pr\u00e9cieux<\/a> joue un r\u00f4le fondamental dans toutes <a title=\"L'or et la nanotechnologie\" href=\"https:\/\/www.gold.fr\/news\/2012\/02\/06\/lor-et-la-nanotechnologie\/5464\/\" target=\"_blank\" rel=\"noopener noreferrer\">les nanotechnologies<\/a> quelque soit le domaine en jeu (m\u00e9dical, industriel\u2026).<\/span> <span style=\"font-size: small;\">&#8211; <strong><a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/bijoux-or\">Bijouterie<\/a>, m\u00e9daille, <\/strong><\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>Joaillerie <\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">L&rsquo;\u00e9l\u00e9ment premier utilis\u00e9 en joaillerie doit avoir des caract\u00e9ristiques bien d\u00e9finies notamment la nature anticorrosive, la duret\u00e9 et la mall\u00e9abilit\u00e9. L&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> remplit toutes ces conditions en garantissant un aspect esth\u00e9tique ind\u00e9niable. De plus, la possibilit\u00e9 de faire diff\u00e9rents alliages \u00e0 base d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> est un argument de plus quant \u00e0 son efficacit\u00e9 dans ce domaine de luxe.<\/span> <span style=\"font-size: small;\">G\u00e9n\u00e9ralement, le pourcentage d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> est exprim\u00e9 en carats. 24 carats refl\u00e8tent une teneur en <a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> pur \u00e0 100%. L&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> \u00e0 18 ou 14 carats, souvent utilis\u00e9 dans le domaine de la joaillerie, comportent respectivement 75 et 58.5% d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a>.<\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>L&rsquo;\u00e9lectrolyse<\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">Plusieurs proc\u00e9d\u00e9s mis en place pour les contacts et la r\u00e9alisation de circuits sont fabriqu\u00e9s \u00e0 partir d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a>. Effectivement, les bains d&rsquo;\u00e9lectrolyse, thermo stat\u00e9s et agit\u00e9s emploient le cyanure d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> (en solution) afin de contr\u00f4ler les d\u00e9p\u00f4ts de l&rsquo;ordre du microm\u00e8tre.<\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>Les contacts \u00e9lectriques<\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">On utilise souvent des m\u00e9taux dor\u00e9s ou des alliages renfermant au moins 40% d&rsquo;argent afin d&rsquo;\u00e9viter la corrosion et avoir une bonne \u00e9lectro conductibilit\u00e9 sur les appareils de mesure de pr\u00e9cisions, les relais\u2026<\/span> <span style=\"font-size: small;\">&#8211; <\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>Odontologie<\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">Dans ce domaine, il est important que la mati\u00e8re qui constitue une couronne par exemple r\u00e9ponde \u00e0 des exigences tr\u00e8s strictes. La couronne doit \u00eatre dure et anticorrosive sans pour autant \u00eatre \u00e0 l&rsquo;origine d&rsquo;une toxicit\u00e9. De plus, elle doit garder la m\u00eame forme et le m\u00eame volume (aucune dilatation ni r\u00e9tr\u00e9cissement lors de la consommation d&rsquo;aliments froids ou chauds). Ces couronnes m\u00e9caniquement tr\u00e8s sollicit\u00e9es sont fabriqu\u00e9es \u00e0 partir d&rsquo;un alliage renfermant principalement de l&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> (65 \u00e0 85%), de l&rsquo;argent, du platine, du cuivre, du palladium et parfois du zinc.<\/span><\/p>\n<h2><span style=\"font-size: small;\"><strong>Th\u00e9rapeutique<\/strong><\/span><\/h2>\n<p><span style=\"font-size: small;\">Afin de rem\u00e9dier aux probl\u00e8mes articulaires notamment les rhumatismes, des m\u00e9dicaments \u00e0 base d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> m\u00e9tallique baignant dans une solution collo\u00efdale sont utilis\u00e9s. Plusieurs autres compos\u00e9s d&rsquo;<a class=\"esk-seo-plu-link\" href=\"https:\/\/www.gold.fr\/news\/tags\/or\">or<\/a> peuvent \u00eatre employ\u00e9s. Il peut \u00e9galement \u00eatre utilis\u00e9 en tant qu&rsquo;antiseptique mais pr\u00e9sentent plusieurs effets irritatifs.<\/span><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>L&rsquo;Or, en dehors de sa valeur \u00e9conomique, pr\u00e9sente plusieurs avantages d&rsquo;utilisation industrielle. En effet il est employ\u00e9 dans plusieurs domaines : nanotechnologies, etc<\/p>\n","protected":false},"author":11,"featured_media":8336,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":false,"_pgmb_ap_template_id":0,"footnotes":""},"categories":[6],"tags":[592,639,640,638,641,637],"ppma_author":[2562],"class_list":["post-8334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-de-presse","tag-bijoux-or","tag-or-electricite","tag-or-electrolyse","tag-or-nanotechnologie","tag-or-odontologie","tag-or-therapeutique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les domaines d&#039;utilisation de l&#039;Or - Gold.fr<\/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:\/\/www.gold.fr\/news\/2012\/07\/03\/les-domaines-dutilisation-de-lor\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les domaines d&#039;utilisation de l&#039;Or - Gold.fr\" \/>\n<meta property=\"og:description\" content=\"L&#039;Or, en dehors de sa valeur \u00e9conomique, pr\u00e9sente plusieurs avantages d&#039;utilisation industrielle. 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Notre \u00e9quipe scrute \u00e9galement une information plus g\u00e9n\u00e9raliste \u00e0 la recherche d'actualit\u00e9 \"p\u00e9pite\" \u00e0 vous partager. 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