{"id":2612,"date":"2020-08-28T03:11:46","date_gmt":"2020-08-28T03:11:46","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=2612"},"modified":"2020-08-28T03:11:46","modified_gmt":"2020-08-28T03:11:46","slug":"impurities-in-aluminum-alloy-melt","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/id\/impurities-in-aluminum-alloy-melt\/","title":{"rendered":"Pengotor dalam Cairan Paduan Aluminium"},"content":{"rendered":"<p>Pengotor dalam lelehan paduan aluminium mengandung gas dalam jumlah yang bervariasi, berbagai inklusi non-logam, serta logam berbahaya lainnya. Kehadiran pengotor ini akan secara langsung memengaruhi kualitas paduan aluminium, yang menyebabkan munculnya cacat pada ingot seperti porositas, pori-pori, inklusi terak, dan sebagainya. Cacat tersebut pada gilirannya berdampak buruk pada sifat mekanik, sifat pemrosesan, ketahanan korosi, sifat perlakuan permukaan, serta penampilan produk olahan hilir. Untuk mengatasi dampak negatif yang disebutkan di atas, pemurnian cairan dalam produksi pengecoran paduan aluminium menjadi sangat penting. Penghilangan alkali dari cairan paduan aluminium merupakan bagian penting dari proses pemurnian cairan. Pada saat yang sama, untuk metode produksi pencampuran langsung cairan aluminium elektrolitik, penghilangan alkali menjadi sangat penting.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2613\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/08\/Impurities-in-Aluminum-Alloy-Melt.jpg\" alt=\"Pengotor dalam Cairan Paduan Aluminium\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/08\/Impurities-in-Aluminum-Alloy-Melt.jpg 500w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/08\/Impurities-in-Aluminum-Alloy-Melt-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>Pengotor dalam Cairan Paduan Aluminium<\/h2>\n<p>Sumber logam alkali dalam lelehan aluminium berasal dari proses peleburan dan pengecoran paduan aluminium. Logam alkali terutama merujuk pada unsur-unsur litium, natrium, dan kalium.<\/p>\n<p>Sumber logam alkali terutama berasal dari cara-cara berikut ini.<\/p>\n<ul>\n<li>Aluminium sebagai bahan baku.<\/li>\n<li>Dalam produksi pengecoran paduan aluminium, cairan aluminium elektrolitik atau ingot aluminium yang dilelehkan kembali yang digunakan semuanya berasal dari pabrik aluminium elektrolitik.<\/li>\n<li>Na. Dalam proses produksi aluminium elektrolitik, penggunaan media yang mengandung natrium seperti kriolit (Na\u2083AlF\u2086) dan natrium fluorida (NaF) menyebabkan adanya kandungan natrium tertentu dalam cairan aluminium elektrolitik; kandungan tersebut dapat mencapai 80 ppm, dan kandungan natrium dalam produksi aktual dikendalikan pada kisaran 30\u201360 ppm; kandungan natrium dalam ingot aluminium untuk peleburan ulang umumnya berkisar antara 8\u201315 ppm, dan pada beberapa kasus dapat mencapai 23 ppm.<\/li>\n<li>Li. Dalam proses produksi aluminium elektrolitik, bahan tambahan seperti CaF, LF, dan MgF\u2082 ditambahkan untuk meningkatkan sifat kimia, fisik, atau elektrokimia elektrolit. Di sisi lain, dalam kebanyakan kasus, terdapat sejumlah kecil Ca, L, dan Mg dalam alumina itu sendiri, yang merupakan bahan baku aluminium elektrolitik.<\/li>\n<li>K. Terutama berasal dari kotoran dalam bahan baku dan bahan pembantu dalam produksi aluminium elektrolitik. Yang paling umum digunakan <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/refining-agent\/\">bahan pemurnian<\/a> karena paduan aluminium mengandung ion natrium dan kalium logam, dan komponen utama bahan pemurniannya adalah Na\u2083AF\u2086, NaCl, KCl, serta sejumlah kecil NaF.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Impurities in aluminum alloy melt contain more or less gas, various non-metallic inclusions, and other harmful metals. The presence of these impurities will directly affect the quality of aluminum alloy, causing ingots such as porosity, pores, slag inclusions, etc. Defects in turn have adverse effects on the mechanical properties, processing properties, corrosion resistance, surface treatment [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2613,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[7137],"class_list":["post-2612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-impurities-in-aluminum-alloy-melt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Impurities in Aluminum Alloy Melt Affect the Product Quality<\/title>\n<meta name=\"description\" content=\"Impurities in aluminum alloy melt contain gas, various non-metallic inclusions, and other harmful metals. 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