{"id":34943,"date":"2011-07-11T16:54:00","date_gmt":"2011-07-11T14:54:00","guid":{"rendered":"https:\/\/letablisienne.com\/?p=34943"},"modified":"2025-11-06T16:56:28","modified_gmt":"2025-11-06T14:56:28","slug":"le-metal","status":"publish","type":"post","link":"http:\/\/letablisienne.com\/en\/le-metal\/","title":{"rendered":"Le m\u00e9tal"},"content":{"rendered":"<h2 class=\"wp-block-heading\">M\u00e9taux et alliages<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le m\u00e9tal est un mat\u00e9riau tr\u00e8s utilis\u00e9 car il permet de faire de nombreuses r\u00e9alisations, tr\u00e8s diff\u00e9rentes les unes des autres. Malgr\u00e9 sa duret\u00e9 \u00e0 temp\u00e9rature ambiante, il est&nbsp;<strong>facilement mall\u00e9able<\/strong>&nbsp;lorsqu\u2019il est port\u00e9 \u00e0 haute temp\u00e9rature et peut ainsi \u00eatre transform\u00e9 ais\u00e9ment. Il existe divers types de m\u00e9taux et on ajoute souvent \u00e0 un m\u00e9tal pur d\u2019autres \u00e9l\u00e9ments, appel\u00e9s&nbsp;<strong>alliages<\/strong>, pour former un nouveau m\u00e9tal aux propri\u00e9t\u00e9s diff\u00e9rentes. Ainsi, suivant l\u2019utilisation que l\u2019on souhaite en faire, on choisit tel ou tel m\u00e9tal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les m\u00e9taux les plus utilis\u00e9s<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2011\/07\/Zinc-Tiroirs-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2011\/07\/Zinc-Tiroirs-2-150x150.jpg\" alt=\"Zinc Tiroirs 2\" class=\"wp-image-339\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le fer<\/strong>, principalement utilis\u00e9 pour la construction, est appr\u00e9ci\u00e9 pour la fabrication d\u2019immeubles, d\u2019outils, ou encore pour les transports.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le plomb<\/strong>&nbsp;se trouve \u00e0 l\u2019\u00e9tat naturel principalement dans la cro\u00fbte terrestre<strong>,&nbsp;<\/strong>il \u00e9tait autrefois utilis\u00e9 pour la plomberie et est aujourd\u2019hui tr\u00e8s courant dans les batteries destin\u00e9es \u00e0 l\u2019automobile ou \u00e0 l\u2019industrie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u2019argent<\/strong>&nbsp;\u00e9tait autrefois tr\u00e8s utilis\u00e9 pour fabriquer les pi\u00e8ces de monnaie, et est utilis\u00e9 dans la fabrication de bijoux, en \u00e9lectronique mais \u00e9galement en photographie en raison de la photosensibilit\u00e9 des sels d\u2019argent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u2019or<\/strong>&nbsp;est un m\u00e9tal pr\u00e9cieux que l\u2019on peut trouver dans certains cours d\u2019eau sous forme de p\u00e9pites ou de paillettes, c\u2019est un des m\u00e9taux les plus ductiles, dense et tendre, et que l\u2019on qualifie de noble. Il ne s\u2019oxyde pas et est tr\u00e8s utilis\u00e9 en joaillerie et plus rarement en \u00e9lectronique en raison de ses propri\u00e9t\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le cuivre<\/strong>, qui poss\u00e8de \u00e9galement des propri\u00e9t\u00e9s int\u00e9ressantes en \u00e9lectricit\u00e9, est un m\u00e9tal tr\u00e8s utilis\u00e9 lors de la fabrication, entre autres, de c\u00e2bles \u00e9lectriques. Il sert aussi pour la fabrication de peintures pour les bateaux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u2019\u00e9tain<\/strong>&nbsp;est un m\u00e9tal gris-argent que l\u2019on trouve aujourd\u2019hui en faible quantit\u00e9 dans certaines pi\u00e8ces d\u2019euros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le bronze<\/strong>&nbsp;est un alliage des deux m\u00e9taux pr\u00e9c\u00e9dents, c\u2019est-\u00e0-dire qu\u2019il est compos\u00e9 de cuivre et d\u2019\u00e9tain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u2019acier<\/strong>&nbsp;est \u00e9galement un alliage. Il est principalement constitu\u00e9 de fer et de carbone. L\u2019<strong>acier inoxydable<\/strong>&nbsp;contient moins de carbone mais plus de chrome. Il devient ainsi moins sensible \u00e0 la corrosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les premiers couteaux sont faits d\u2019\u00e9clats bruts de pierre ou d\u2019os et sont dat\u00e9s d\u2019il y a environ 25 000 ans.&nbsp;<br>D\u00e8s l\u2019<a href=\"https:\/\/fr.wikipedia.org\/wiki\/%C3%82ge_du_bronze\">\u00e2ge du bronze<\/a>, les couteaux sont faits en m\u00e9tal et sont pour la premi\u00e8re fois munis d\u2019une poign\u00e9e. Les mat\u00e9riaux utilis\u00e9s pour fabriquer les couteaux \u00e9volu\u00e8rent au fur et \u00e0 mesure de la ma\u00eetrise de la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/M%C3%A9tallurgie\">m\u00e9tallurgie<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2017\/09\/letablisienne-couteaux-atelier-4-768x1024.jpg\" alt=\"Atelier pour fabriquer son couteau\" class=\"wp-image-23466\" style=\"width:297px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour nos\u00a0ateliers Coutellerie, les lames\u00a0 sont en acier inoxydable de coutellerie XC90CrMo17, les ressorts et les platines sont en XC20CrMo17.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dans le langage populaire le zinc d\u00e9signe le comptoir d\u2019un bar, un avion\u2026 mais encore\u00a0?<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2013\/06\/Zinc-1024x768.jpg\" alt=\"Stage Zinc \u00e0 l'Etablisienne Paris\" class=\"wp-image-5543\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Caract\u00e9ris\u00e9 par une grande r\u00e9sistance \u00e0 la corrosion, ce m\u00e9tal sert depuis longtemps \u00e0 la protection de l\u2019acier, il est dit \u00ab&nbsp;sacrificiel&nbsp;\u00bb. On l\u2019applique sur l\u2019acier par galvanisation \u00e0 chaud ou par d\u00e9p\u00f4t \u00e9lectrolytique comme un anti-corrosion. C\u2019est un mat\u00e9riau recyclable, environ un tiers de la production mondiale provient de zinc recycl\u00e9. L\u2019Australie et la Chine poss\u00e8dent les principales ressources de zinc. A d\u00e9faut d\u2019avoir une bonne r\u00e9sistance m\u00e9canique, il se comporte docilement lorsqu\u2019on le chauffe \u00e0 des temp\u00e9ratures relativement faibles&nbsp;; il se laisse emboutir d\u00e8s 50\u00b0 et peut \u00eatre lamin\u00e9 entre 100\u00b0 et 200\u00b0 (il devient cassant au dessus de ces temp\u00e9rature).&nbsp; Sa grande mall\u00e9abilit\u00e9 le rend appr\u00e9ciable aupr\u00e8s des autres m\u00e9taux, il apporte de sa souplesse lorsqu\u2019on l\u2019allie au laiton, au zamac ou encore au bronze.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La fabrication d\u2019objet en zinc remonterait au V\u00e8me si\u00e8cle avant J.C. dans les mines de Caramos en Gr\u00e8ce o\u00f9 des bracelets de zinc ont \u00e9t\u00e9 d\u00e9couverts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui les domaines d\u2019application du zinc sont principalement dans le&nbsp;<strong>b\u00e2timent<\/strong>&nbsp;pour couvertures, toitures et goutti\u00e8res. On le retrouve plus \u00e9tonnamment sous formes d\u2019<strong>oligo-\u00e9l\u00e9ment essentiels<\/strong>&nbsp;\u00e0 notre corps&nbsp;; il favorise le bon fonctionnement des cellules de l\u2019\u00e9piderme et il est utilis\u00e9 en m\u00e9decine pour ses&nbsp;<strong>propri\u00e9t\u00e9s de cicatrisations<\/strong>. Enfin, il s\u2019invite de plus en plus dans nos int\u00e9rieurs pour<strong>&nbsp;d\u00e9corer et r\u00e9interpr\u00e9ter objets et pi\u00e8ces de mobilier<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Son apparence est l\u2019un de ses points forts&nbsp;; de couleur blanc bleu\u00e2tre il se&nbsp;<strong>patine<\/strong>&nbsp;avec le temps au contact de l\u2019air ou de l\u2019eau. Son allure est alors toujours changeante, offrant de belles surprises \u00e0 ceux qui le contemple.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2024\/10\/Polyedre-metal_etablisienne-Paris-min-1024x1019.jpg\" alt=\"Apprendre \u00e0 souder.\" class=\"wp-image-62055\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour d\u00e9couvrir le travail du m\u00e9tal et la soudure \u00e0 l\u2019\u00e9tain, nous vous proposons un atelier de 2 heures\u00a0:\u00a0Poly\u00e8dre en m\u00e9tal<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les m\u00e9taux et l\u2019art<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les m\u00e9taux sont utilis\u00e9s dans le&nbsp;<strong>domaine de l\u2019art<\/strong>&nbsp;depuis fort longtemps. D\u00e8s le&nbsp;<strong>III\u00e9me mill\u00e9naire avant notre \u00e8re<\/strong>, le&nbsp;<strong>cuivre<\/strong>&nbsp;a \u00e9t\u00e9 utilis\u00e9 par de nombreuses civilisations, et beaucoup au moment de l\u2019Antiquit\u00e9. Le&nbsp;<strong>bronze<\/strong>, quant \u00e0 lui, \u00e9tait utilis\u00e9 pour cr\u00e9er des&nbsp;<strong>statues<\/strong>, apr\u00e8s que celles-ci aient \u00e9t\u00e9 r\u00e9alis\u00e9es en cire et qu\u2019elles aient \u00e9t\u00e9 moul\u00e9es gr\u00e2ce \u00e0 de l\u2019argile.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2011\/07\/Viaduc-Garibaldi.jpg\"><img decoding=\"async\" src=\"https:\/\/www.letablisienne.com\/wp-content\/uploads\/2011\/07\/Viaduc-Garibaldi-150x150.jpg\" alt=\"Travail du m\u00e9tal Etablisienne\" class=\"wp-image-5564\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">On retrouve les m\u00e9taux en&nbsp;<strong>architecture<\/strong>, avec notamment la structure en fer de la&nbsp;<strong><em>Gare de l\u2019Est<\/em><\/strong>, construite par Duquesney ou encore le&nbsp;<em><strong>pavillon Baltard<\/strong><\/em>&nbsp;remont\u00e9 en 1977. D\u2019autres constructions permettent de mettre en avant l\u2019importance du fer comme la&nbsp;<em><strong>Tour Eiffel<\/strong><\/em>&nbsp;bien sur ou encore le<em><strong>&nbsp;Pont Alexandre III<\/strong><\/em>, qui fut le premier pont parisien construit en acier.<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u00e9taux et alliages Le m\u00e9tal est un mat\u00e9riau tr\u00e8s utilis\u00e9 car il permet de faire de nombreuses r\u00e9alisations, tr\u00e8s diff\u00e9rentes les unes des autres. Malgr\u00e9 sa duret\u00e9 \u00e0 temp\u00e9rature ambiante, il est&nbsp;facilement mall\u00e9able&nbsp;lorsqu\u2019il est port\u00e9 \u00e0 haute temp\u00e9rature et peut ainsi \u00eatre transform\u00e9 ais\u00e9ment. Il existe divers types de m\u00e9taux et on ajoute souvent \u00e0 [&hellip;]<\/p>\n","protected":false},"author":1334,"featured_media":34900,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129],"tags":[],"class_list":["post-34943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matieres"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le m\u00e9tal - L&#039;\u00c9tablisienne<\/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:\/\/letablisienne.com\/en\/le-metal\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le m\u00e9tal - L&#039;\u00c9tablisienne\" \/>\n<meta property=\"og:description\" content=\"M\u00e9taux et alliages Le m\u00e9tal est un mat\u00e9riau tr\u00e8s utilis\u00e9 car il permet de faire de nombreuses r\u00e9alisations, tr\u00e8s diff\u00e9rentes les unes des autres. Malgr\u00e9 sa duret\u00e9 \u00e0 temp\u00e9rature ambiante, il est&nbsp;facilement mall\u00e9able&nbsp;lorsqu\u2019il est port\u00e9 \u00e0 haute temp\u00e9rature et peut ainsi \u00eatre transform\u00e9 ais\u00e9ment. 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L&#039;\u00c9tablisienne","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:\/\/letablisienne.com\/en\/le-metal\/","og_locale":"en_GB","og_type":"article","og_title":"Le m\u00e9tal - L&#039;\u00c9tablisienne","og_description":"M\u00e9taux et alliages Le m\u00e9tal est un mat\u00e9riau tr\u00e8s utilis\u00e9 car il permet de faire de nombreuses r\u00e9alisations, tr\u00e8s diff\u00e9rentes les unes des autres. Malgr\u00e9 sa duret\u00e9 \u00e0 temp\u00e9rature ambiante, il est&nbsp;facilement mall\u00e9able&nbsp;lorsqu\u2019il est port\u00e9 \u00e0 haute temp\u00e9rature et peut ainsi \u00eatre transform\u00e9 ais\u00e9ment. Il existe divers types de m\u00e9taux et on ajoute souvent \u00e0 [&hellip;]","og_url":"https:\/\/letablisienne.com\/en\/le-metal\/","og_site_name":"L&#039;\u00c9tablisienne","article_publisher":"https:\/\/www.facebook.com\/L.Etablisienne","article_published_time":"2011-07-11T14:54:00+00:00","article_modified_time":"2025-11-06T14:56:28+00:00","og_image":[{"width":512,"height":512,"url":"https:\/\/letablisienne.com\/wp-content\/uploads\/2025\/11\/Le-metal.jpg","type":"image\/jpeg"}],"author":"Simon Kleiss","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Simon Kleiss","Estimated reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/letablisienne.com\/le-metal\/#article","isPartOf":{"@id":"https:\/\/letablisienne.com\/le-metal\/"},"author":{"name":"Simon Kleiss","@id":"https:\/\/letablisienne.com\/#\/schema\/person\/22c1caf7119d4b27b7326ceb79d2173c"},"headline":"Le m\u00e9tal","datePublished":"2011-07-11T14:54:00+00:00","dateModified":"2025-11-06T14:56:28+00:00","mainEntityOfPage":{"@id":"https:\/\/letablisienne.com\/le-metal\/"},"wordCount":1027,"publisher":{"@id":"https:\/\/letablisienne.com\/#organization"},"image":{"@id":"https:\/\/letablisienne.com\/le-metal\/#primaryimage"},"thumbnailUrl":"https:\/\/letablisienne.com\/wp-content\/uploads\/2025\/11\/Le-metal.jpg","articleSection":["Mati\u00e8res"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/letablisienne.com\/le-metal\/","url":"https:\/\/letablisienne.com\/le-metal\/","name":"Le m\u00e9tal - 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