{"id":5742,"date":"2026-10-24T15:15:04","date_gmt":"2026-10-24T13:15:04","guid":{"rendered":"https:\/\/shockwave-clad.com\/galvanic-corrosion-aluminium-steel\/"},"modified":"2026-10-24T18:42:58","modified_gmt":"2026-10-24T16:42:58","slug":"corrosion-galvanique-aluminium-acier","status":"publish","type":"post","link":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/","title":{"rendered":"Corrosion galvanique entre aluminium et acier\u00a0: causes et pr\u00e9vention"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.27.4&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><strong>La corrosion galvanique entre aluminium et acier se produit lorsque les deux m\u00e9taux se touchent et qu&rsquo;un \u00e9lectrolyte \u2013 eau de mer, condensation, isolant humide \u2013 les relie. L&rsquo;aluminium est le m\u00e9tal le moins noble\u00a0: il devient l&rsquo;anode et se corrode, tandis que l&rsquo;acier est prot\u00e9g\u00e9.<\/strong> Sur les navires et les ouvrages offshore, o\u00f9 des superstructures en aluminium reposent sur des coques et des ponts en acier, c&rsquo;est l&rsquo;une des principales raisons pour lesquelles on ne boulonne jamais simplement l&rsquo;aluminium et l&rsquo;acier sans pr\u00e9cautions.<\/p>\n<h2>Pourquoi l&rsquo;aluminium se corrode au contact de l&rsquo;acier<\/h2>\n<p>Chaque m\u00e9tal a son propre potentiel \u00e9lectrochimique dans un \u00e9lectrolyte donn\u00e9. En eau de mer, les alliages d&rsquo;aluminium se situent nettement sous l&rsquo;acier au carbone dans la s\u00e9rie galvanique, et tr\u00e8s loin sous l&rsquo;inox et les alliages de cuivre. Reli\u00e9s, ils forment une petite pile\u00a0: les \u00e9lectrons passent de l&rsquo;aluminium \u00e0 l&rsquo;acier et l&rsquo;aluminium se dissout dans la zone de contact.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin-bottom:25px\">\n<tr>\n<th style=\"border:1px solid #ccc;padding:10px;text-align:left\">M\u00e9tal en eau de mer<\/th>\n<th style=\"border:1px solid #ccc;padding:10px;text-align:left\">Position dans la s\u00e9rie galvanique<\/th>\n<th style=\"border:1px solid #ccc;padding:10px;text-align:left\">R\u00f4le coupl\u00e9 \u00e0 l&rsquo;aluminium<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ccc;padding:10px\">Magn\u00e9sium, zinc<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Plus actifs que l&rsquo;aluminium<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Se corrodent en premier (anodes sacrificielles)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ccc;padding:10px\">Alliages d&rsquo;aluminium (5083, 6082)<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Actif<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">\u2013<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ccc;padding:10px\">Acier au carbone, fonte<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Plus noble que l&rsquo;aluminium<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Cathode\u00a0: l&rsquo;aluminium se corrode<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ccc;padding:10px\">Alliages de cuivre, cupronickel<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Nettement plus nobles<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Cathode\u00a0: forte attaque de l&rsquo;aluminium<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ccc;padding:10px\">Inox (passif), titane<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Les plus nobles de la liste<\/td>\n<td style=\"border:1px solid #ccc;padding:10px\">Cathode\u00a0: forte attaque de l&rsquo;aluminium<\/td>\n<\/tr>\n<\/table>\n<h2>Ce qui l&rsquo;aggrave<\/h2>\n<ul>\n<li><strong>\u00c9lectrolyte\u00a0:<\/strong> l&rsquo;eau de mer et les zones d&rsquo;\u00e9claboussures sont bien plus agressives que l&rsquo;air int\u00e9rieur sec. L&rsquo;humidit\u00e9 pi\u00e9g\u00e9e dans les interstices, sous l&rsquo;isolant ou derri\u00e8re un mastic d\u00e9grad\u00e9 entretient la pile.<\/li>\n<li><strong>Rapport des surfaces\u00a0:<\/strong> une petite pi\u00e8ce en aluminium fix\u00e9e sur une grande surface d&rsquo;acier se corrode le plus vite, car une grande cathode fait passer un courant \u00e9lev\u00e9 dans une petite anode. Le cas inverse \u2013 de petites vis en acier dans une grande t\u00f4le d&rsquo;aluminium \u2013 est bien moins critique.<\/li>\n<li><strong>Diff\u00e9rence de potentiel\u00a0:<\/strong> plus les m\u00e9taux sont \u00e9loign\u00e9s dans la s\u00e9rie galvanique, plus l&rsquo;attaque est rapide. L&rsquo;aluminium avec l&rsquo;inox ou le cuivre est pire qu&rsquo;avec l&rsquo;acier au carbone.<\/li>\n<li><strong>Interstices et contact\u00a0:<\/strong> les recouvrements boulonn\u00e9s retiennent l&rsquo;eau et cr\u00e9ent des \u00e9carts d&rsquo;oxyg\u00e8ne, ajoutant la corrosion caverneuse \u00e0 l&rsquo;effet galvanique.<\/li>\n<\/ul>\n<h2>Comment pr\u00e9venir la corrosion galvanique entre aluminium et acier<\/h2>\n<ol>\n<li><strong>Couper le contact \u00e9lectrique.<\/strong> Rondelles, douilles et joints isolants dans les assemblages boulonn\u00e9s arr\u00eatent le courant, tant qu&rsquo;ils restent intacts et que les boulons ne relient pas les deux m\u00e9taux.<\/li>\n<li><strong>Tenir l&rsquo;\u00e9lectrolyte \u00e0 l&rsquo;\u00e9cart.<\/strong> \u00c9tanchez et peignez la zone de l&rsquo;assemblage pour que l&rsquo;eau ne relie pas les m\u00e9taux. Si l&rsquo;on ne rev\u00eat qu&rsquo;un seul m\u00e9tal, rev\u00eatir le plus noble (l&rsquo;acier) ou les deux \u2013 ne rev\u00eatir que l&rsquo;aluminium concentre l&rsquo;attaque sur chaque d\u00e9faut.<\/li>\n<li><strong>Choisir le rapport des surfaces.<\/strong> Gardez la pi\u00e8ce en aluminium grande par rapport \u00e0 l&rsquo;acier en contact.<\/li>\n<li><strong>Utiliser un joint de transition plut\u00f4t qu&rsquo;un recouvrement boulonn\u00e9.<\/strong> Un joint de transition soud\u00e9 supprime l&rsquo;interstice et les boulons\u00a0: la structure aluminium est soud\u00e9e c\u00f4t\u00e9 aluminium, la structure acier c\u00f4t\u00e9 acier, et le joint est peint avec le syst\u00e8me de rev\u00eatement.<\/li>\n<li><strong>Ajouter une protection cathodique<\/strong> dans les zones immerg\u00e9es, avec des anodes sacrificielles plus actives que l&rsquo;aluminium.<\/li>\n<\/ol>\n<h2>Joints de transition\u00a0: l&rsquo;alternative soud\u00e9e au boulonnage<\/h2>\n<p>Les assemblages aluminium-acier boulonn\u00e9s ou rivet\u00e9s exigent isolation, \u00e9tanch\u00e9it\u00e9 et inspection pendant toute la vie du navire. Un joint de transition soud\u00e9 par explosion comme <a href=\"https:\/\/shockwave-clad.com\/fr\/triplate\/\">Triplate\u00ae<\/a> les remplace par deux soudures classiques\u00a0: acier sur acier et aluminium sur aluminium. Il n&rsquo;y a ni interstice ni fixation, et l&rsquo;interface est une liaison m\u00e9tallurgique continue, non une surface de contact.<\/p>\n<p>Triplate\u00ae ajoute deux atouts contre la corrosion\u00a0: le c\u00f4t\u00e9 aluminium est en alliage 5083 r\u00e9sistant \u00e0 l&rsquo;eau de mer, et l&rsquo;interface soud\u00e9e sous vide est dense \u00e0 100 %, sans porosit\u00e9 par laquelle l&rsquo;humidit\u00e9 pourrait p\u00e9n\u00e9trer. Comme tout joint de transition, il est peint avec la structure adjacente \u2013 la sp\u00e9cification militaire <a href=\"https:\/\/shockwave-clad.com\/fr\/mil-j-24445a-joints-transition-aluminium-acier\/\">MIL-J-24445A<\/a> exige un rev\u00eatement adapt\u00e9 pr\u00e9cis\u00e9ment pour cette raison. Pour les assemblages aluminium-inox, il existe <a href=\"https:\/\/shockwave-clad.com\/fr\/inox-triplate\/\">Inox-Triplate\u00ae<\/a>.<\/p>\n<p>Pour aller plus loin\u00a0: <a href=\"https:\/\/shockwave-clad.com\/fr\/comment-souder-laluminium-a-lacier-les-methodes-qui\/\">comment souder l&rsquo;aluminium \u00e0 l&rsquo;acier<\/a> et <a href=\"https:\/\/shockwave-clad.com\/fr\/assemblage-de-metaux-dissemblables\/\">assemblage de m\u00e9taux dissemblables<\/a>. Besoin de joints pour un projet\u00a0? Envoyez-nous la nuance d&rsquo;acier, l&rsquo;alliage d&rsquo;aluminium et les \u00e9paisseurs via notre <a href=\"https:\/\/shockwave-clad.com\/fr\/contact\/\">page de contact<\/a>.<\/p>\n<h2>Questions fr\u00e9quentes<\/h2>\n<h3>L&rsquo;aluminium se corrode-t-il au contact de l&rsquo;acier\u00a0?<\/h3>\n<p>Oui, lorsqu&rsquo;un \u00e9lectrolyte comme l&rsquo;eau de mer ou la condensation les relie. L&rsquo;aluminium est moins noble que l&rsquo;acier\u00a0: il devient l&rsquo;anode et se corrode tandis que l&rsquo;acier est prot\u00e9g\u00e9.<\/p>\n<h3>Comment \u00e9viter la corrosion galvanique entre aluminium et acier\u00a0?<\/h3>\n<p>En coupant le contact \u00e9lectrique avec des rondelles et joints isolants, en emp\u00eachant l&rsquo;eau d&rsquo;entrer avec du mastic et de la peinture (rev\u00eatir l&rsquo;acier ou les deux m\u00e9taux, pas seulement l&rsquo;aluminium), en gardant une grande surface d&rsquo;aluminium ou en rempla\u00e7ant l&rsquo;assemblage boulonn\u00e9 par un joint de transition soud\u00e9.<\/p>\n<h3>La corrosion galvanique est-elle pire avec l&rsquo;inox qu&rsquo;avec l&rsquo;acier au carbone\u00a0?<\/h3>\n<p>Oui. L&rsquo;inox passif est plus noble que l&rsquo;acier au carbone\u00a0: la diff\u00e9rence de potentiel avec l&rsquo;aluminium, et donc la vitesse de corrosion, est plus \u00e9lev\u00e9e.<\/p>\n<h3>Pourquoi utilise-t-on des joints de transition sur les navires\u00a0?<\/h3>\n<p>Un joint de transition permet de souder la superstructure en aluminium c\u00f4t\u00e9 aluminium et le pont en acier c\u00f4t\u00e9 acier. Il supprime boulons et interstices, et le joint est peint avec le reste de la structure.<\/p>\n<h3>Les joints de transition doivent-ils \u00eatre rev\u00eatus\u00a0?<\/h3>\n<p>Oui. L&rsquo;interface aluminium-acier doit \u00eatre prot\u00e9g\u00e9e par le syst\u00e8me de peinture, comme l&rsquo;exige aussi la sp\u00e9cification de l&rsquo;US Navy MIL-J-24445A.<\/p>\n<p><em>R\u00e9dig\u00e9 par Joeri Hofstede, PDG de Shockwave Metalworking Technologies \u2014 sp\u00e9cialistes du soudage par explosion sous vide depuis 1985.<\/em><\/p>\n<p>[\/et_pb_text][et_pb_code _builder_version=\u00a0\u00bb4.27.4&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"L'aluminium se corrode-t-il au contact de l'acier\u00a0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Oui, lorsqu'un \u00e9lectrolyte comme l'eau de mer ou la condensation les relie. L'aluminium est moins noble que l'acier\u00a0: il devient l'anode et se corrode tandis que l'acier est prot\u00e9g\u00e9.\"}},{\"@type\":\"Question\",\"name\":\"Comment \u00e9viter la corrosion galvanique entre aluminium et acier\u00a0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"En coupant le contact \u00e9lectrique avec des rondelles et joints isolants, en emp\u00eachant l'eau d'entrer avec du mastic et de la peinture (rev\u00eatir l'acier ou les deux m\u00e9taux, pas seulement l'aluminium), en gardant une grande surface d'aluminium ou en rempla\u00e7ant l'assemblage boulonn\u00e9 par un joint de transition soud\u00e9.\"}},{\"@type\":\"Question\",\"name\":\"La corrosion galvanique est-elle pire avec l'inox qu'avec l'acier au carbone\u00a0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Oui. L'inox passif est plus noble que l'acier au carbone\u00a0: la diff\u00e9rence de potentiel avec l'aluminium, et donc la vitesse de corrosion, est plus \u00e9lev\u00e9e.\"}},{\"@type\":\"Question\",\"name\":\"Pourquoi utilise-t-on des joints de transition sur les navires\u00a0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Un joint de transition permet de souder la superstructure en aluminium c\u00f4t\u00e9 aluminium et le pont en acier c\u00f4t\u00e9 acier. Il supprime boulons et interstices, et le joint est peint avec le reste de la structure.\"}},{\"@type\":\"Question\",\"name\":\"Les joints de transition doivent-ils \u00eatre rev\u00eatus\u00a0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Oui. L'interface aluminium-acier doit \u00eatre prot\u00e9g\u00e9e par le syst\u00e8me de peinture, comme l'exige aussi la sp\u00e9cification de l'US Navy MIL-J-24445A.\"}}]}<\/script>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pourquoi l&rsquo;aluminium se corrode au contact de l&rsquo;acier en eau de mer, ce qui aggrave la corrosion galvanique et comment la pr\u00e9venir sur les navires et ouvrages offshore.<\/p>\n","protected":false},"author":3,"featured_media":5743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[54],"tags":[],"class_list":["post-5742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bibliotheque-technique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave<\/title>\n<meta name=\"description\" content=\"Pourquoi l&#039;aluminium se corrode au contact de l&#039;acier, ce qui l&#039;aggrave et comment l&#039;\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave\" \/>\n<meta property=\"og:description\" content=\"Pourquoi l&#039;aluminium se corrode au contact de l&#039;acier, ce qui l&#039;aggrave et comment l&#039;\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/\" \/>\n<meta property=\"og:site_name\" content=\"Shockwave\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-24T13:15:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-24T16:42:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Joeri Hofstede\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Joeri Hofstede\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/\"},\"author\":{\"name\":\"Joeri Hofstede\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#\\\/schema\\\/person\\\/3b50e6935852914b33d115caa22002cb\"},\"headline\":\"Corrosion galvanique entre aluminium et acier\u00a0: causes et pr\u00e9vention\",\"datePublished\":\"2026-10-24T13:15:04+00:00\",\"dateModified\":\"2026-10-24T16:42:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/\"},\"wordCount\":1114,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/BLOG-Landscape-pictures.png\",\"articleSection\":[\"Biblioth\u00e8que technique\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/\",\"name\":\"Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/BLOG-Landscape-pictures.png\",\"datePublished\":\"2026-10-24T13:15:04+00:00\",\"dateModified\":\"2026-10-24T16:42:58+00:00\",\"description\":\"Pourquoi l'aluminium se corrode au contact de l'acier, ce qui l'aggrave et comment l'\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#primaryimage\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/BLOG-Landscape-pictures.png\",\"contentUrl\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/BLOG-Landscape-pictures.png\",\"width\":750,\"height\":500,\"caption\":\"Structural transition joint in a hull boat\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/corrosion-galvanique-aluminium-acier\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Corrosion galvanique entre aluminium et acier\u00a0: causes et pr\u00e9vention\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/\",\"name\":\"Shockwave\",\"description\":\"Shockwave Metalworking Technologies\",\"publisher\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#organization\"},\"alternateName\":\"Shockwave Metalworking Technologies\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#organization\",\"name\":\"Shockwave Metalworking Technologies BV\",\"alternateName\":\"Shockwave\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo-shockwave.png\",\"contentUrl\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo-shockwave.png\",\"width\":300,\"height\":343,\"caption\":\"Shockwave Metalworking Technologies BV\"},\"image\":{\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/shockwave-metalworking-technologies-b-v\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/fr\\\/#\\\/schema\\\/person\\\/3b50e6935852914b33d115caa22002cb\",\"name\":\"Joeri Hofstede\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/litespeed\\\/avatar\\\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146\",\"url\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/litespeed\\\/avatar\\\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146\",\"contentUrl\":\"https:\\\/\\\/shockwave-clad.com\\\/wp-content\\\/litespeed\\\/avatar\\\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146\",\"caption\":\"Joeri Hofstede\"},\"sameAs\":[\"https:\\\/\\\/shockwave-clad.com\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave","description":"Pourquoi l'aluminium se corrode au contact de l'acier, ce qui l'aggrave et comment l'\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.","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:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/","og_locale":"fr_FR","og_type":"article","og_title":"Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave","og_description":"Pourquoi l'aluminium se corrode au contact de l'acier, ce qui l'aggrave et comment l'\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.","og_url":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/","og_site_name":"Shockwave","article_published_time":"2026-10-24T13:15:04+00:00","article_modified_time":"2026-10-24T16:42:58+00:00","og_image":[{"width":750,"height":500,"url":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png","type":"image\/png"}],"author":"Joeri Hofstede","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Joeri Hofstede","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#article","isPartOf":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/"},"author":{"name":"Joeri Hofstede","@id":"https:\/\/shockwave-clad.com\/fr\/#\/schema\/person\/3b50e6935852914b33d115caa22002cb"},"headline":"Corrosion galvanique entre aluminium et acier\u00a0: causes et pr\u00e9vention","datePublished":"2026-10-24T13:15:04+00:00","dateModified":"2026-10-24T16:42:58+00:00","mainEntityOfPage":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/"},"wordCount":1114,"commentCount":0,"publisher":{"@id":"https:\/\/shockwave-clad.com\/fr\/#organization"},"image":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#primaryimage"},"thumbnailUrl":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png","articleSection":["Biblioth\u00e8que technique"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/","url":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/","name":"Corrosion galvanique aluminium-acier\u00a0: pr\u00e9vention | Shockwave","isPartOf":{"@id":"https:\/\/shockwave-clad.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#primaryimage"},"image":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#primaryimage"},"thumbnailUrl":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png","datePublished":"2026-10-24T13:15:04+00:00","dateModified":"2026-10-24T16:42:58+00:00","description":"Pourquoi l'aluminium se corrode au contact de l'acier, ce qui l'aggrave et comment l'\u00e9viter\u00a0: isolation, rev\u00eatement, rapport des surfaces et joints de transition soud\u00e9s.","breadcrumb":{"@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#primaryimage","url":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png","contentUrl":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2026\/02\/BLOG-Landscape-pictures.png","width":750,"height":500,"caption":"Structural transition joint in a hull boat"},{"@type":"BreadcrumbList","@id":"https:\/\/shockwave-clad.com\/fr\/corrosion-galvanique-aluminium-acier\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/shockwave-clad.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Corrosion galvanique entre aluminium et acier\u00a0: causes et pr\u00e9vention"}]},{"@type":"WebSite","@id":"https:\/\/shockwave-clad.com\/fr\/#website","url":"https:\/\/shockwave-clad.com\/fr\/","name":"Shockwave","description":"Shockwave Metalworking Technologies","publisher":{"@id":"https:\/\/shockwave-clad.com\/fr\/#organization"},"alternateName":"Shockwave Metalworking Technologies","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/shockwave-clad.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/shockwave-clad.com\/fr\/#organization","name":"Shockwave Metalworking Technologies BV","alternateName":"Shockwave","url":"https:\/\/shockwave-clad.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/shockwave-clad.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2025\/09\/logo-shockwave.png","contentUrl":"https:\/\/shockwave-clad.com\/wp-content\/uploads\/2025\/09\/logo-shockwave.png","width":300,"height":343,"caption":"Shockwave Metalworking Technologies BV"},"image":{"@id":"https:\/\/shockwave-clad.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/shockwave-metalworking-technologies-b-v\/"]},{"@type":"Person","@id":"https:\/\/shockwave-clad.com\/fr\/#\/schema\/person\/3b50e6935852914b33d115caa22002cb","name":"Joeri Hofstede","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/shockwave-clad.com\/wp-content\/litespeed\/avatar\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146","url":"https:\/\/shockwave-clad.com\/wp-content\/litespeed\/avatar\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146","contentUrl":"https:\/\/shockwave-clad.com\/wp-content\/litespeed\/avatar\/c58d8285d33673a57f692e7219a419ee.jpg?ver=1792432146","caption":"Joeri Hofstede"},"sameAs":["https:\/\/shockwave-clad.com\/"]}]}},"_links":{"self":[{"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/posts\/5742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/comments?post=5742"}],"version-history":[{"count":2,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/posts\/5742\/revisions"}],"predecessor-version":[{"id":5812,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/posts\/5742\/revisions\/5812"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/media\/5743"}],"wp:attachment":[{"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/media?parent=5742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/categories?post=5742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shockwave-clad.com\/fr\/wp-json\/wp\/v2\/tags?post=5742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}