{"id":5227,"date":"2024-02-07T17:11:56","date_gmt":"2024-02-07T15:11:56","guid":{"rendered":"https:\/\/scrapad.com\/blog\/"},"modified":"2024-09-02T10:05:45","modified_gmt":"2024-09-02T08:05:45","slug":"alliage-leger","status":"publish","type":"post","link":"https:\/\/scrapad.com\/fr\/blog\/alliage-leger","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;un alliage l\u00e9ger ?"},"content":{"rendered":" \n    <div class=\"c-post--header\" style=\"background-image: url(https:\/\/scrapad.com\/wp-content\/uploads\/2024\/02\/aleaciones-ligeras.png);\">\n        <a href=\"\" class=\"c-back-action\">\n            Revenir en arri\u00e8re        <\/a>\n        <h1>Qu&rsquo;est-ce qu&rsquo;un alliage l\u00e9ger ?<\/h1>\n\t\t<p class=\"c-post--author\">\n\t\t\tAuteur:\t\t\t<a href=\"https:\/\/scrapad.com\/fr\/author\/scrapad-admin\/\">ScrapAd<\/a>\n\t\t<\/p>\n        <div class=\"c-post--meta\">\n            <p>07\/02\/2024<\/p>\n            <div class=\"c-post--actions\">\n                <a onclick=\"window.print()\" class=\"c-article__action\">\n                    <i class=\"large material-icons icon\">print<\/i>\n                <\/a>\n                <a data-clipboard-text=\"\" class=\"c-article__action\">\n                    <i class=\"large material-icons icon\">content_copy<\/i>\n                <\/a>\n                <span class=\"c-article__action share__trigger\">\n\t\t\t\t\t<i class=\"large material-icons icon\">share<\/i>\n\t\t\t\t\t<ul class=\"share__displays\">\n\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/scrapad.com\/wp-content\/plugins\/scrapad-blocks\/assets\/icons\/share\/facebook.svg\" alt=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/twitter.com\/share?text=&amp;url=\" target=\"_blank\" rel=\"noopener\">\n                                <img decoding=\"async\" src=\"https:\/\/scrapad.com\/wp-content\/plugins\/scrapad-blocks\/assets\/icons\/share\/twitter.svg\" alt=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=&amp;title=&amp;summary=&amp;source=\" target=\"_blank\" rel=\"noopener\">\n                                <img decoding=\"async\" src=\"https:\/\/scrapad.com\/wp-content\/plugins\/scrapad-blocks\/assets\/icons\/share\/linkedin.svg\" alt=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t<a\n\t\t\t\t\t\t\t\thref=\"mailto:info@scrapad.com?&amp;cc=&amp;bcc=&amp;subject=&amp;body=\"\n\t\t\t\t\t\t\t\ttarget=\"_blank\"\n\t\t\t\t\t\t\t>\n                                <img decoding=\"async\" src=\"https:\/\/scrapad.com\/wp-content\/plugins\/scrapad-blocks\/assets\/icons\/share\/email.svg\" alt=\"\">\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t\t\t    <\/span>\n            <\/div>\n        <\/div>\n    <\/div>\n     \n    <section class=\"c-container \" style=\" background-color: #FBFBFB; background-size: cover; --xsPadding: 40px 25px 40px 25px; --smPadding: 40px 25px 40px 25px; --mdPadding: 80px 100px 80px 100px; --lgPadding: 80px 100px 80px 100px; --xlPadding: 80px 100px 80px 100px; --xxlPadding: 80px 200px 80px 200px;  \">\n        <div class=\"wp-block-scrapad-blocks-container c-post\">\n<div class=\"c-article__desc wp-block-scrapad-blocks-article-desc\">\n<p>Les alliages sont des processus dans lesquels deux ou plusieurs \u00e9l\u00e9ments m\u00e9talliques ou chimiques sont combin\u00e9s de mani\u00e8re homog\u00e8ne, g\u00e9n\u00e9ralement avec au moins un m\u00e9tal. En combinant ces \u00e9l\u00e9ments, on obtient un mat\u00e9riau aux propri\u00e9t\u00e9s am\u00e9lior\u00e9es.<\/p>\n\n\n\n<p>Cette fois-ci, nous allons voir&nbsp;<strong>ce que sont les alliages l\u00e9gers<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu&rsquo;est-ce qu&rsquo;un alliage l\u00e9ger ?<\/h2>\n\n\n\n<p><strong>Les alliages l\u00e9gers sont g\u00e9n\u00e9ralement ceux dont l&rsquo;\u00e9l\u00e9ment principal ou de base est l&rsquo;<a href=\"https:\/\/scrapad.com\/fr\/materiaux\/aluminium\/\" target=\"_blank\" rel=\"noreferrer noopener\">aluminium<\/a><\/strong>, bien que le titane soit \u00e9galement utilis\u00e9.<\/p>\n\n\n\n<p>Ils sont consid\u00e9r\u00e9s comme des&nbsp;<strong>m\u00e9taux l\u00e9gers<\/strong>, car leur densit\u00e9 relative est inf\u00e9rieure \u00e0 4,5. Ils pr\u00e9sentent donc des caract\u00e9ristiques de duret\u00e9 similaires \u00e0 celles d&rsquo;autres m\u00e9taux tels que l&rsquo;acier, mais leur poids et leur densit\u00e9 sont inf\u00e9rieurs.<\/p>\n\n\n\n<p>Les alliages l\u00e9gers les plus courants :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Alliages l\u00e9gers d&rsquo;aluminium<\/h3>\n\n\n\n<p>Comme indiqu\u00e9 ci-dessus, ils sont fabriqu\u00e9s \u00e0 partir d&rsquo;aluminium et d&rsquo;autres \u00e9l\u00e9ments tels que le&nbsp;<a href=\"https:\/\/scrapad.com\/fr\/materiaux\/zinc\/\" target=\"_blank\" rel=\"noreferrer noopener\">zinc<\/a>, le&nbsp;<a href=\"https:\/\/scrapad.com\/fr\/materiaux\/cuivre\/\" target=\"_blank\" rel=\"noreferrer noopener\">cuivre<\/a>, le mangan\u00e8se ou le silicium, bien que leur proportion ne d\u00e9passe jamais 15 %.<\/p>\n\n\n\n<p>Il est vrai que les performances m\u00e9caniques de l&rsquo;acier sont sup\u00e9rieures et qu&rsquo;il convient de souligner son&nbsp;<strong>extraordinaire r\u00e9sistance<\/strong>, bien que l&rsquo;aluminium souffre \u00e0 haute temp\u00e9rature.<\/p>\n\n\n\n<p>Les propri\u00e9t\u00e9s qu&rsquo;il poss\u00e8de sont la&nbsp;<strong>faible densit\u00e9, la r\u00e9sistance \u00e0 la corrosion, la ductilit\u00e9, la mall\u00e9abilit\u00e9 et la facilit\u00e9 de recyclage<\/strong>.<\/p>\n\n\n\n<p>Parmi ses applications, il a un impact majeur dans l&rsquo;<strong>industrie automobile<\/strong>&nbsp;pour la fabrication de roues, de pi\u00e8ces de si\u00e8ges et de carrosseries.<\/p>\n\n\n\n<p>Voici quelques&nbsp;<strong>types d&rsquo;alliages d&rsquo;aluminium<\/strong>&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aluminium et silicium<\/strong>&nbsp;: le silicium est combin\u00e9 \u00e0 l&rsquo;aluminium pour durcir le m\u00e9tal et augmenter sa r\u00e9sistance globale. Dans ce cas, l&rsquo;aluminium est la base et 5 \u00e0 20 % de silicium sont utilis\u00e9s.<\/li>\n\n\n\n<li><strong>Aluminium et magn\u00e9sium<\/strong>&nbsp;: cet alliage a une teneur en magn\u00e9sium ne d\u00e9passant pas 10 %, ce qui donne un m\u00e9tal dot\u00e9 d&rsquo;excellentes propri\u00e9t\u00e9s m\u00e9caniques, r\u00e9sistant \u00e0 la corrosion et l\u00e9ger.<\/li>\n\n\n\n<li><strong>Aluminium et cuivre<\/strong>&nbsp;: comme pour le silicium, le cuivre est ajout\u00e9 pour le durcissement et la r\u00e9sistance \u00e0 la chaleur. Il en r\u00e9sulte un m\u00e9tal solide, dur et l\u00e9ger.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Alliages l\u00e9gers de titane<\/h3>\n\n\n\n<p>Comme mentionn\u00e9 ci-dessus, nous obtenons \u00e9galement des&nbsp;<strong>alliages l\u00e9gers \u00e0 base de titane<\/strong>, un m\u00e9tal relativement l\u00e9ger, durable et r\u00e9sistant \u00e0 la corrosion.<\/p>\n\n\n\n<p>Les alliages de titane sont g\u00e9n\u00e9ralement utilis\u00e9s dans les&nbsp;<strong>secteurs de l&rsquo;a\u00e9rospatiale et de la marine<\/strong>. Toutefois, comme il s&rsquo;agit d&rsquo;un mat\u00e9riau plus difficile \u00e0 extraire et \u00e0 traiter, ils sont nettement plus chers que l&rsquo;aluminium.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alliages ultral\u00e9gers<\/h2>\n\n\n\n<p>Les alliages ultral\u00e9gers sont des&nbsp;<strong>alliages \u00e0 base de magn\u00e9sium<\/strong>&nbsp;et, dans une moindre mesure, de zinc ou d&rsquo;aluminium. On obtient ainsi des alliages qui p\u00e8sent environ cinq fois moins que l&rsquo;acier. Leurs applications s&rsquo;\u00e9tendent g\u00e9n\u00e9ralement \u00e0 l&rsquo;industrie automobile.<\/p>\n\n\n\n<p>Enfin, ces alliages s&rsquo;inscrivent parfaitement dans l&rsquo;\u00e9conomie circulaire, puisque tous les alliages \u00e0 base de magn\u00e9sium sont recyclables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Acheter et vendre des m\u00e9taux sur ScrapAd<\/h2>\n\n\n\n<p>Sur notre plateforme num\u00e9rique, vous pouvez acheter et vendre des alliages ou tout autre&nbsp;<a href=\"https:\/\/scrapad.com\/fr\/blog\/types-de-ferraille\/\" target=\"_blank\" rel=\"noreferrer noopener\">type de ferraille<\/a>&nbsp;facilement, rapidement et en toute s\u00e9curit\u00e9.&nbsp;<a href=\"https:\/\/marketplace.scrapad.com\/fr\/register\" target=\"_blank\" rel=\"noreferrer noopener\">Enregistrez-vous gratuitement<\/a>&nbsp;et \u00e9changez les mat\u00e9riaux qui vous int\u00e9ressent.<\/p>\n<\/div>\n<\/div>\t<\/section>\n        <div class=\"c-container c-post--related\" style=\"background-color: #F7F5F2; --xsPadding: 40px 25px 40px 25px; --smPadding: 40px 25px 40px 25px; --mdPadding: 40px 25px 40px 25px; --lgPadding: 72px 100px 72px 100px; --xlPadding: 72px 100px 72px 100px; --xxlPadding: 72px 100px 72px 100px;\">\n        <div class=\"container\">\n            <h3 class=\"c-article__side__heading\">Autres postes qui pourraient vous int\u00e9resser\u2026<\/h3>\n        <\/div>\n        <div class=\"scrapad-blocks-related glide\" data-autoplay=\"4000\" data-views-desktop=\"3\" data-views-tablet=\"2\" data-views-mobile=\"1\" data-mode=\"slider\">  \n            <div class=\"container glide__track\" data-glide-el=\"track\">\n                <div class=\"row slider-mobile glide__slides\">\n                                                                         \n                            <div class=\"col-12 col-lg-6 glide__slide\">\n                                    <div class=\"c-blog__item\">\n        <a href=\"https:\/\/scrapad.com\/fr\/blog\/differences-entre-le-laiton-et-le-bronze\/\" class=\"c-blog__item--inner\">\n            <div class=\"c-blog__item__header\">\n                <div\n                    class=\"c-blog__item__image\"\n                    style=\"background-image: url(https:\/\/scrapad.com\/wp-content\/uploads\/2025\/01\/laton-bronce.jpg;\"\n                ><\/div>\n                <\/div>\n                <div class=\"c-blog__item_body\">\n                    <h4 class=\"c-blog__item__title\">Diff\u00e9rences entre le laiton et le bronze<\/h4>\n                    <div class=\"c-blog__item__meta\">\n                        <span class=\"c-blog__item__date\">29\/01\/2025<\/span>\n                    <\/div>\n                <div class=\"c-blog__item__desc\">\n                    <p>Dans l&rsquo;industrie manufacturi\u00e8re, il est courant d&rsquo;utiliser des alliages m\u00e9talliques tels que le bronze et le laiton. Avec le cuivre, ces deux m\u00e9taux sont connus sous le nom de m\u00e9taux rouges en raison de leur couleur caract\u00e9ristique.<\/p>\n                <\/div>\n                <div class=\"c-blog__item__footer\">\n                    <span class=\"c-blog__item__link\">Voir d\u00e9tails<\/span>\n                <\/div>\n            <\/div>\n        <\/a>\n    <\/div>\n                                <\/div>\n                                                     \n                            <div class=\"col-12 col-lg-6 glide__slide\">\n                                    <div class=\"c-blog__item\">\n        <a href=\"https:\/\/scrapad.com\/fr\/blog\/acier-rapide-hss\/\" class=\"c-blog__item--inner\">\n            <div class=\"c-blog__item__header\">\n                <div\n                    class=\"c-blog__item__image\"\n                    style=\"background-image: url(https:\/\/scrapad.com\/wp-content\/uploads\/2025\/01\/acero-rapido-que-es.png;\"\n                ><\/div>\n                <\/div>\n                <div class=\"c-blog__item_body\">\n                    <h4 class=\"c-blog__item__title\">Qu&rsquo;est-ce que l&rsquo;acier rapide ou HSS ?<\/h4>\n                    <div class=\"c-blog__item__meta\">\n                        <span class=\"c-blog__item__date\">20\/01\/2025<\/span>\n                    <\/div>\n                <div class=\"c-blog__item__desc\">\n                    <p>L&rsquo;acier rapide (HSS) est le terme utilis\u00e9 pour d\u00e9finir le mat\u00e9riau des aciers \u00e0 outils qui peuvent \u00eatre utilis\u00e9s \u00e0 une vitesse d&rsquo;usinage \u00e9lev\u00e9e (comme la coupe ou le per\u00e7age).<\/p>\n                <\/div>\n                <div class=\"c-blog__item__footer\">\n                    <span class=\"c-blog__item__link\">Voir d\u00e9tails<\/span>\n                <\/div>\n            <\/div>\n        <\/a>\n    <\/div>\n                                <\/div>\n                                                     \n                            <div class=\"col-12 col-lg-6 glide__slide\">\n                                    <div class=\"c-blog__item\">\n        <a href=\"https:\/\/scrapad.com\/fr\/blog\/types-de-bronze\/\" class=\"c-blog__item--inner\">\n            <div class=\"c-blog__item__header\">\n                <div\n                    class=\"c-blog__item__image\"\n                    style=\"background-image: url(https:\/\/scrapad.com\/wp-content\/uploads\/2024\/10\/tipos-de-bronce.jpg;\"\n                ><\/div>\n                <\/div>\n                <div class=\"c-blog__item_body\">\n                    <h4 class=\"c-blog__item__title\">Types de bronze que l&rsquo;on peut trouver<\/h4>\n                    <div class=\"c-blog__item__meta\">\n                        <span class=\"c-blog__item__date\">29\/10\/2024<\/span>\n                    <\/div>\n                <div class=\"c-blog__item__desc\">\n                    <p>Le bronze est l&rsquo;un des m\u00e9taux les plus utilis\u00e9s dans l&rsquo;industrie. Pendant des mill\u00e9naires, il a \u00e9t\u00e9 l&rsquo;alliage de base pour la fabrication d&rsquo;armes et d&rsquo;ustensiles.<\/p>\n                <\/div>\n                <div class=\"c-blog__item__footer\">\n                    <span class=\"c-blog__item__link\">Voir d\u00e9tails<\/span>\n                <\/div>\n            <\/div>\n        <\/a>\n    <\/div>\n                                <\/div>\n                                                     \n                            <div class=\"col-12 col-lg-6 glide__slide\">\n                                    <div class=\"c-blog__item\">\n        <a href=\"https:\/\/scrapad.com\/fr\/blog\/prix-du-fer-chutent\/\" class=\"c-blog__item--inner\">\n            <div class=\"c-blog__item__header\">\n                <div\n                    class=\"c-blog__item__image\"\n                    style=\"background-image: url(https:\/\/scrapad.com\/wp-content\/uploads\/2024\/10\/caida-precio-hierro.png;\"\n                ><\/div>\n                <\/div>\n                <div class=\"c-blog__item_body\">\n                    <h4 class=\"c-blog__item__title\">Pourquoi les prix du fer chutent<\/h4>\n                    <div class=\"c-blog__item__meta\">\n                        <span class=\"c-blog__item__date\">21\/10\/2024<\/span>\n                    <\/div>\n                <div class=\"c-blog__item__desc\">\n                    <p>Le prix du minerai de fer continue de baisser. Cette baisse co\u00efncide avec les avertissements de l&rsquo;un des plus grands producteurs d&rsquo;acier au monde, la Chine, qui met en garde contre une crise dans le secteur.<\/p>\n                <\/div>\n                <div class=\"c-blog__item__footer\">\n                    <span class=\"c-blog__item__link\">Voir d\u00e9tails<\/span>\n                <\/div>\n            <\/div>\n        <\/a>\n    <\/div>\n                                <\/div>\n                                                            <\/div>\n            <\/div>\n        <\/div> \n    <\/div>\n    ","protected":false},"excerpt":{"rendered":"<p>Les alliages sont des processus dans lesquels deux ou plusieurs \u00e9l\u00e9ments m\u00e9talliques ou chimiques sont combin\u00e9s de mani\u00e8re homog\u00e8ne, g\u00e9n\u00e9ralement avec au moins un m\u00e9tal.<\/p>\n","protected":false},"author":2,"featured_media":5231,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"class_list":["post-5227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-metaux"],"acf":{"post_country":{"simple_value_formated":"<ul><li><a class=\"post-link\" href=\"https:\/\/scrapad.com\/paises\/espana\/\" rel=\"bookmark\">Espa\u00f1a<\/a><\/li><\/ul>","value_formated":{"postIds":[791],"postType":"paises"},"value":["791"],"field":{"ID":0,"key":"field_64ef02d93e348","label":"Pa\u00eds","name":"post_country","aria-label":"","prefix":"acf","type":"relationship","value":null,"menu_order":0,"instructions":"","required":0,"id":"","class":"","conditional_logic":0,"parent":"group_64ef02d9ad6ee","wrapper":{"width":"","class":"","id":""},"post_type":["paises"],"post_status":["publish"],"taxonomy":"","filters":["search","post_type","taxonomy"],"return_format":"id","min":"","max":"","elements":"","_name":"post_country","_valid":1}}},"_links":{"self":[{"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/posts\/5227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/comments?post=5227"}],"version-history":[{"count":6,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/posts\/5227\/revisions"}],"predecessor-version":[{"id":9101,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/posts\/5227\/revisions\/9101"}],"acf:post":[{"embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/paises\/791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/media\/5231"}],"wp:attachment":[{"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/media?parent=5227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/categories?post=5227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scrapad.com\/fr\/wp-json\/wp\/v2\/tags?post=5227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}