{"id":5742,"date":"2016-11-05T11:00:01","date_gmt":"2016-11-05T10:00:01","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/en\/?p=5742"},"modified":"2018-07-27T13:08:39","modified_gmt":"2018-07-27T11:08:39","slug":"anodic-oxidation-of-aluminium-1","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/5742\/anodic-oxidation-of-aluminium-1\/","title":{"rendered":"Anodic oxidation of aluminium &#8211; 1"},"content":{"rendered":"<p>Aluminium is a metal used in increasingly disparate applications due to its lightness, resistance and aesthetic properties.<\/p>\n<p>It is subjected to various types of treatment according to the intended use, in order to make it more resistant to corrosion or to improve its mechanical characteristics.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/iStock_49792512_SMALL.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-5723\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/iStock_49792512_SMALL-300x200.jpg\" alt=\"Profiles for exhibition designs.\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/iStock_49792512_SMALL-300x200.jpg 300w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/iStock_49792512_SMALL.jpg 848w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>A typical <a href=\"https:\/\/www.tempco.it\/blog\/en\/5744\/hard-anodic-oxidation-of-aluminium-2\/\" target=\"_blank\" rel=\"noopener\">treatment of aluminium is anodisation<\/a>, the purpose of which is to increase resistance to corrosion for use in aggressive environments and outdoors.<\/p>\n<p><iframe loading=\"lazy\" width=\"750\" height=\"563\" src=\"https:\/\/www.youtube.com\/embed\/UIeE2i1pTn0?feature=oembed\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<p><!--more--><\/p>\n<p>In practice, the parts in aluminium are submerged in a galvanic bath where the required \u201cstructural\u201d changes are carried out under controlled temperature and with the passage of current.<\/p>\n<p>The flow of electric current in the anodic oxidation bath, at low voltage but high intensity, causes an increase in temperature of the water solution (generally water + 20% sulphuric acid) which then has to be lowered to ensure successful completion of the process.<\/p>\n<p>The conventional solution for cooling anodic oxidation baths involves the use of special <a href=\"http:\/\/en.tempco.it\/solutions-en\/heat-exchangers\/gasketed-plate\/\" target=\"_blank\" rel=\"noopener\">plate exchangers<\/a> with plates and gaskets made of materials resistant to corrosion caused by the mixture in the same anodic bath.<\/p>\n<p>In this case, the temperature remains constant at around 20\u00b0C, meaning that well water or <a href=\"http:\/\/en.tempco.it\/solutions-en\/chillers\/\" target=\"_blank\" rel=\"noopener\">chilled water<\/a> can be used as the main source of cooling.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/scambiatore-ossidazione-anodica.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-5715\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/scambiatore-ossidazione-anodica-225x300.jpg\" alt=\"scambiatore-ossidazione-anodica\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/scambiatore-ossidazione-anodica-225x300.jpg 225w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/scambiatore-ossidazione-anodica-768x1024.jpg 768w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2016\/10\/scambiatore-ossidazione-anodica.jpg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aluminium is a metal used in increasingly disparate applications due to its lightness, resistance and aesthetic properties. It is subjected [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61,63,113,473],"tags":[650,112,127,474,652,651,248,653],"class_list":["post-5742","post","type-post","status-publish","format-standard","hentry","category-energia-termica-en","category-heat-exchangers","category-plate-heat-exchanger","category-scambiatori-a-piastre-en","tag-aluminium","tag-chiller-2","tag-cooling-2","tag-corrosione-en","tag-galvanic","tag-oxidation","tag-plate-heat-exchanger","tag-sulphuric-acid"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Anodic oxidation of aluminium - 1 - Tempco Blog<\/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.tempco.it\/blog\/en\/5742\/anodic-oxidation-of-aluminium-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Anodic oxidation of aluminium - 1 - Tempco Blog\" \/>\n<meta property=\"og:description\" content=\"Aluminium is a metal used in increasingly disparate applications due to its lightness, resistance and aesthetic properties. 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