{"id":2253,"date":"2020-01-14T17:23:23","date_gmt":"2020-01-14T16:23:23","guid":{"rendered":"http:\/\/www.baikowski.com\/?page_id=2253"},"modified":"2021-03-11T17:40:42","modified_gmt":"2021-03-11T16:40:42","slug":"eclairage-conventionnel","status":"publish","type":"page","link":"https:\/\/www.baikowski.com\/fr\/eclairage-conventionnel\/","title":{"rendered":"Eclairage conventionnel"},"content":{"rendered":"<h2>Quel mat\u00e9riau pour l&rsquo;\u00e9clairage conventionnel ?<\/h2>\n<p><span class=\"large\">Les PCA (Alumines PolyCristallines)<\/span>, parfois aussi appel\u00e9es c\u00e9ramiques transparentes, se trouvent sous forme de tube dans les syst\u00e8mes d&rsquo;\u00e9clairage conventionnel. Leur r\u00f4le est de <strong>maximiser la transmission lumineuse<\/strong> (ultraviolet, infrarouge ou lumi\u00e8re visible) tout en r\u00e9sistant \u00e0 de hautes temp\u00e9ratures et pressions. Ces pi\u00e8ces sont fabriqu\u00e9es \u00e0 partir d&rsquo;<strong>alumine alpha<\/strong>, comme les <a href=\"https:\/\/www.baikowski.com\/fr\/serie\/cr\/\">CR<\/a> ou les <a href=\"https:\/\/www.baikowski.com\/fr\/serie\/tcp\/\">TCP<\/a>.<\/p>\n<p><span class=\"large\">Les lampes HID (lampes \u00e0 d\u00e9charge \u00e0 haute intensit\u00e9)<\/span> font r\u00e9f\u00e9rence aux sources de lumi\u00e8re cr\u00e9\u00e9es gr\u00e2ce \u00e0 un courant traversant un gaz contenu dans un tube PCA. La famille des HID inclut les lampes \u00e0 vapeur de mercure et de sodium haute pression (HPS), les lampes au x\u00e9non halog\u00e8ne (XMH), \u00e0 arc court au x\u00e9non et les lampes \u00e0 arc au carbone.<\/p>\n<p><span class=\"large\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-1699 size-medium\" src=\"http:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/11\/shutterstock_140231164-300x244.jpg\" alt=\"\" width=\"300\" height=\"244\" srcset=\"https:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/11\/shutterstock_140231164-300x244.jpg 300w, https:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/11\/shutterstock_140231164-768x625.jpg 768w, https:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/11\/shutterstock_140231164-1024x833.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Un tube fluorescent<\/span> est compos\u00e9 d&rsquo;un tube en verre, rempli de gaz argon et de traces de mercure. Les \u00e9lectrodes de tungst\u00e8ne se trouvant de chaque c\u00f4t\u00e9 du tube propagent un courant qui se transforme en rayonnement UV au contact du gaz. L<strong>&lsquo;int\u00e9rieur du tube est enduit avec un m\u00e9lange de luminophores<\/strong> qui convertira les rayonnements UV en lumi\u00e8re visible. Le rev\u00eatement appliqu\u00e9 \u00e0 l&rsquo;int\u00e9rieur du tube contient \u00e9galement de l&rsquo;<a href=\"https:\/\/www.baikowski.com\/fr\/chemistry\/alumine\/\"><strong>alumine de haute puret\u00e9<\/strong><\/a>, qui permet la r\u00e9flexion des r\u00e9sidus de lumi\u00e8re UV.<\/p>\n<h3>Propri\u00e9t\u00e9s des technologies d&rsquo;\u00e9clairage conventionnel<\/h3>\n<p>Les PCA pr\u00e9sentent de remarquables propri\u00e9t\u00e9s pour les applications d&rsquo;\u00e9clairage conventionnel :<\/p>\n<ul>\n<li><strong>Transmission \u00e9lev\u00e9e de lumi\u00e8re visible<\/strong>, qui requiert souvent un \u00e9clat chaleureux.<\/li>\n<li><strong>Diffusion efficace ; <\/strong>la lumi\u00e8re doit se diffuser dans toutes les directions avec la m\u00eame intensit\u00e9.<\/li>\n<li><strong>R\u00e9sistance thermique :<\/strong> les c\u00e9ramiques PCA sont stables \u00e0 des temp\u00e9ratures allant jusqu&rsquo;\u00e0 1600\u00b0C. En comparaison, le verre commence \u00e0 r\u00e9agir aux alentours des 550\u00b0C.<\/li>\n<li><strong>R\u00e9sistance aux hautes pressions<\/strong>. En effet, le fait d&rsquo;augmenter la pression dans les lampes \u00e0 vapeur de sodium stimule l&rsquo;efficacit\u00e9 de la lampe et am\u00e9liore son rendu colorim\u00e9trique. <strong>L&rsquo;utilisation de PCA performant a rendu possible la fabrication de lampes \u00e0 vapeur de sodium haute pression<\/strong> (HPS).<\/li>\n<\/ul>\n<p>Chez Baikowski\u00ae, nous <strong>optimisons nos poudres pour leurs propri\u00e9t\u00e9s optiques<\/strong> dans la c\u00e9ramique finale. En effet, nous contr\u00f4lons leur puret\u00e9, taille de particule et formulation pour les proc\u00e9d\u00e9s de frittage. Ainsi, nous assurons une <strong>haute densit\u00e9 des pi\u00e8ces c\u00e9ramiques<\/strong> obtenues. De plus, nous pouvons <strong>doper nos produits \u00e0 fa\u00e7on<\/strong>, dans le but d&rsquo;ajouter des propri\u00e9t\u00e9s sp\u00e9cifiques \u00e0 vous c\u00e9ramiques finales.<\/p>\n<p><strong><a href=\"https:\/\/www.baikowski.com\/fr\/chemistry\/alumine\/\">L&rsquo;alumine hautement cristallis\u00e9e<\/a><\/strong> pr\u00e9sente une capacit\u00e9 de r\u00e9flexion UV optimale qui n&rsquo;est plus \u00e0 prouver. Baikowski\u00ae optimise ses poudres pour leur propri\u00e9t\u00e9s de r\u00e9flexion, dans la mesure o\u00f9 <strong>nous contr\u00f4lons leur puret\u00e9 chimique et le puret\u00e9 cristallographique<\/strong>.<\/p>\n<h2>Applications pour l&rsquo;\u00e9clairage conventionnel<\/h2>\n<p>Les PCA et rev\u00eatement pour r\u00e9flexion UV sont pr\u00e9sents dans :<\/p>\n<ul>\n<li>Les lampes \u00e0 d\u00e9charge \u00e0 haute intensit\u00e9 (HID), telles que les lampes \u00e0 vapeur de sodium haute pression (HPS)<\/li>\n<li>Les tubes fluorescents<\/li>\n<\/ul>\n<p>Ainsi, vous pouvez retrouver ce type de technologie dans :<\/p>\n<ul>\n<li>L&rsquo;\u00e9clairage publique<\/li>\n<li>L&rsquo;horticulture<\/li>\n<\/ul>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1697 size-full\" src=\"http:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/11\/shutterstock_1044093808-1.jpg\" alt=\"\" width=\"2857\" height=\"1457\" \/>Mise en \u0153uvre des poudres Baikowski\u00ae<\/h3>\n<p>Nous d\u00e9livrons des poudres d\u00e9di\u00e9es aux c\u00e9ramiques PCA et au rev\u00eatement UV. Comme nous savons que chaque client poss\u00e8de son propre proc\u00e9d\u00e9, nos poudres s&rsquo;adaptent facilement \u00e0 :<\/p>\n<ul>\n<li>L&rsquo;extrusion ; Baikowski\u00ae propose des produits avec un <strong>compromis optimal entre densit\u00e9 et frittage<\/strong> du cru c\u00e9ramique interm\u00e9diaire.<\/li>\n<li>Pressage \u00e0 chaud &amp; HIP (Compression isostatique \u00e0 chaud \/ Hot Isostatic Pressing)<\/li>\n<li>Injection moulage, premi\u00e8re \u00e9tape dans la fabrication de feedstocks<\/li>\n<li>Moulage<\/li>\n<li>Rev\u00eatement (coating) ; Nos produits, tels que les <strong><a href=\"https:\/\/www.baikowski.com\/fr\/serie\/cr\/\">CR<\/a>, permettent un d\u00e9p\u00f4t <\/strong>de rev\u00eatement pour r\u00e9flexion UV \u00e0 l&rsquo;int\u00e9rieur du tube<strong> en une seule \u00e9tape, <\/strong>gr\u00e2ce \u00e0 un impact tr\u00e8s faible sur la viscosit\u00e9 de la suspension.<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a class=\"bouton-bleu\" href=\"https:\/\/www.baikowski.com\/fr\/application\/eclairage-conventionnel\/\">Voir les produits associ\u00e9s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quel mat\u00e9riau pour l&rsquo;\u00e9clairage conventionnel ? Les PCA (Alumines PolyCristallines), parfois aussi appel\u00e9es c\u00e9ramiques transparentes, se trouvent sous forme de tube dans les syst\u00e8mes d&rsquo;\u00e9clairage conventionnel. Leur r\u00f4le est de maximiser la transmission lumineuse (ultraviolet, infrarouge ou lumi\u00e8re visible) tout en r\u00e9sistant \u00e0 de hautes temp\u00e9ratures et pressions. Ces pi\u00e8ces sont fabriqu\u00e9es \u00e0 partir d&rsquo;alumine [&hellip;]<\/p>\n","protected":false},"author":79,"featured_media":3561,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2253","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Eclairage conventionnel | D\u00e9finition &amp; propri\u00e9t\u00e9s - Baikowski\u00ae<\/title>\n<meta name=\"description\" content=\"L&#039;\u00e9clairage conventionnel fait r\u00e9f\u00e9rence aux technologies \u00e9prouv\u00e9es que sont les tubes fluorescents ou les lampes HID, utilisant des tubes PCA.\" \/>\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.baikowski.com\/fr\/eclairage-conventionnel\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Eclairage conventionnel | D\u00e9finition &amp; propri\u00e9t\u00e9s - 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