{"id":416,"count":3,"description":"<p>La protection cathodique est une technique \u00e9lectrochimique fondamentale utilis\u00e9e pour pr\u00e9venir la corrosion des structures m\u00e9talliques expos\u00e9es \u00e0 des milieux agressifs tels que le sol et l'eau. Cette m\u00e9thode repose sur le principe de la transformation de la surface m\u00e9tallique, initialement une anode (qui se corrode), en une cathode (qui est prot\u00e9g\u00e9e), stoppant ou ralentissant consid\u00e9rablement le processus de corrosion.<\/p>\r\n\r\n<p>Les deux principales m\u00e9thodes de protection cathodique sont:<\/p>\r\n<ul>\r\n \t<li>Protection par anode sacrificielle: cette m\u00e9thode \"passive\" utilise des blocs de m\u00e9taux moins nobles (comme le zinc, l'aluminium ou le magn\u00e9sium) qui, immerg\u00e9s dans le milieu conducteur et reli\u00e9s \u00e0 la structure \u00e0 prot\u00e9ger, se corrodent sur place et se d\u00e9truisent progressivement. Elle est id\u00e9ale pour les petites structures ou les milieux mod\u00e9r\u00e9ment agressifs.<\/li>\r\n \t<li>Protection par courant impos\u00e9: cette m\u00e9thode \"active\" utilise une source d'\u00e9nergie externe (comme une alimentation cathodique) pour fournir un courant continu forc\u00e9 entre une anode inerte (comme le graphite ou le titane) et la structure \u00e0 prot\u00e9ger. Il convient aux grandes structures n\u00e9cessitant un contr\u00f4le pr\u00e9cis du potentiel.<\/li>\r\n<\/ul>","link":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/","name":"PROTECTION CATHODIQUE","slug":"protection-cathodique","taxonomy":"product_cat","parent":407,"meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l&#039;aide d&#039;anodes sacrificielles ou de courant impos\u00e9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l&#039;aide d&#039;anodes sacrificielles ou de courant impos\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/\" \/>\n<meta property=\"og:site_name\" content=\"De Lorenzo Training &amp; Didactical Equipment\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/\",\"url\":\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/\",\"name\":\"PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment\",\"isPartOf\":{\"@id\":\"https:\/\/delorenzoglobal.com\/fr\/#website\"},\"description\":\"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l'aide d'anodes sacrificielles ou de courant impos\u00e9.\",\"breadcrumb\":{\"@id\":\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/#breadcrumb\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/delorenzoglobal.com\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CHIMIE INDUSTRIELLE\",\"item\":\"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"PROTECTION CATHODIQUE\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/delorenzoglobal.com\/fr\/#website\",\"url\":\"https:\/\/delorenzoglobal.com\/fr\/\",\"name\":\"De Lorenzo Training &amp; Didactical Equipment\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/delorenzoglobal.com\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment","description":"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l'aide d'anodes sacrificielles ou de courant impos\u00e9.","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:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/","og_locale":"fr_FR","og_type":"article","og_title":"PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment","og_description":"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l'aide d'anodes sacrificielles ou de courant impos\u00e9.","og_url":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/","og_site_name":"De Lorenzo Training &amp; Didactical Equipment","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"CollectionPage","@id":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/","url":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/","name":"PROTECTION CATHODIQUE - De Lorenzo Training &amp; Didactical Equipment","isPartOf":{"@id":"https:\/\/delorenzoglobal.com\/fr\/#website"},"description":"D\u00e9couvrez la protection cathodique, une technique pour pr\u00e9venir la corrosion des structures m\u00e9talliques \u00e0 l'aide d'anodes sacrificielles ou de courant impos\u00e9.","breadcrumb":{"@id":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/#breadcrumb"},"inLanguage":"fr-FR"},{"@type":"BreadcrumbList","@id":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/protection-cathodique\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/delorenzoglobal.com\/fr\/"},{"@type":"ListItem","position":2,"name":"CHIMIE INDUSTRIELLE","item":"https:\/\/delorenzoglobal.com\/fr\/catagorie-de-produit\/chimie-industrielle\/"},{"@type":"ListItem","position":3,"name":"PROTECTION CATHODIQUE"}]},{"@type":"WebSite","@id":"https:\/\/delorenzoglobal.com\/fr\/#website","url":"https:\/\/delorenzoglobal.com\/fr\/","name":"De Lorenzo Training &amp; Didactical Equipment","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/delorenzoglobal.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/delorenzoglobal.com\/fr\/wp-json\/wp\/v2\/product_cat\/416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/delorenzoglobal.com\/fr\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/delorenzoglobal.com\/fr\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/delorenzoglobal.com\/fr\/wp-json\/wp\/v2\/product_cat\/407"}],"wp:post_type":[{"href":"https:\/\/delorenzoglobal.com\/fr\/wp-json\/wp\/v2\/product?product_cat=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}