{"id":5527,"date":"2019-08-12T03:26:28","date_gmt":"2019-08-12T03:26:28","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5527"},"modified":"2025-01-16T08:29:44","modified_gmt":"2025-01-16T08:29:44","slug":"degassing-in-aluminium-casting","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/degassing-in-aluminium-casting\/","title":{"rendered":"Penghilangan Gas dalam Pengecoran Aluminium"},"content":{"rendered":"

Penghilangan Gas dalam Pengecoran Aluminium<\/h1>\n

Penghilangan Gas dalam Pengecoran Aluminium<\/a>\u00a0adalah tujuan penyemprotan nitrogen ke dalam aluminium cair untuk menghilangkan hidrogen.<\/strong><\/p>\n

Selain itu, proses degassing juga dianggap sebagai cara yang sangat efektif untuk memisahkan kotoran.<\/strong><\/p>\n

Telah diajukan dua pendekatan teoretis utama untuk menjelaskan prinsip penghilangan gas dari aluminium<\/a>. Mode makro mengasumsikan bahwa proses penghilangan setiap pengotor berlangsung secara serupa. Dalam mode mikroskopis, menurut teori ini, karena tekanan uap hidrogen yang lebih tinggi, hidrogen terlarut berdifusi ke dalam gas di dalam cairan aluminium yang disuntikkan.<\/strong>
\nSecara teoritis, partikel dengan diameter 10 mikron yang bersentuhan dengan gelembung akan teradsorpsi pada gelembung tersebut, lalu mengapung ke permukaan cairan.<\/strong><\/p>\n

Penghilangan gas dalam pengecoran aluminium bertujuan untuk menghilangkan hidrogen, inklusi non-logam, dan unsur jejak yang tidak diinginkan. Proses pemurnian ini adalah\u00a0<\/strong>biasanya<\/strong>\u00a0dilakukan setelah penambahan paduan. Dalam beberapa kasus, cairan logam juga diolah terlebih dahulu sebelum penambahan paduan. Injeksi gas merupakan metode pemurnian yang paling umum digunakan.<\/strong><\/p>\n

Proses penghilangan gas dalam pengecoran aluminium selalu menjadi topik penelitian dalam bidang pengecoran dan penggulungan paduan aluminium, dan kemurnian nitrogen yang digunakan untuk pemurnian dalam perangkat pemurnian merupakan faktor kunci yang secara langsung memengaruhi hasil pemurnian.<\/strong><\/p>\n

Mengalirkan gas (yang inert terhadap Al, karena alasan yang jelas) adalah <\/strong>untuk menghilangkan hidrogen. Gas-gas terlarut memiliki tekanan uap tertentu di permukaan cairan, sehingga penambahan gas kering secara terus-menerus (yaitu, gas yang hampir tidak mengandung zat yang ingin Anda hilangkan) akan menggeser kesetimbangan ke arah \u201ckering\u201d dalam cairan tersebut.<\/strong><\/p>\n

Yang penghilang gas tipe rotari<\/a> memecah gelembung nitrogen besar menjadi gelembung-gelembung kecil yang halus dengan memutar rotor nitrogen pada kecepatan tinggi dan menyebarkannya secara merata ke dalam logam cair; Penghilangan Gas dalam Pengecoran Aluminium.<\/strong><\/p>\n

Dengan memperkecil diameter gelembung-gelembung tersebut, luas permukaan total gelembung-gelembung tersebut meningkat secara tajam, sehingga lebih banyak permukaan gelembung nitrogen yang bersentuhan dengan hidrogen dan kotoran dalam logam cair untuk membawa zat-zat berbahaya tersebut ke permukaan cairan.<\/strong><\/p>\n

Lakukan penyempurnaan pada nosel berputar dalam proses pemurnian nitrogen untuk pembersihan aluminium, sehingga volume gelembung nitrogen menjadi lebih optimal.<\/strong>
\nLuas permukaan kontak antara nitrogen dan aluminium cair ditingkatkan, sehingga meningkatkan efektivitas proses penghilangan gas dan penghilangan terak, mencapai tujuan pemurnian aluminium cair, dan pada akhirnya meningkatkan kualitas produk dalam proses penghilangan gas pada pengecoran aluminium.<\/strong><\/p>\n

\"Penghilangan<\/p>\n

Yang unit penghilang gas daring <\/a>Menggunakan teknologi peleburan silikon tingkat tinggi yang canggih untuk memastikan masa pakai yang panjang; rotor penghilang gas, selongsong pelindung pemanas, dan selongsong pelindung termokopel dibuat dengan teknologi manufaktur keramik yang mampu memenuhi persyaratan produksi aluminium presisi tinggi.<\/strong><\/p>\n

Sebuah d daringunit penghilang gas<\/a> harus dipasang di antara tungku dan peralatan pengecoran. Unit ini digunakan untuk menghilangkan hidrogen (H) dan terak dari aluminium cair. Unit degassing online ini memiliki dua fungsi: pemrosesan dan pemanasan. Unit ini digunakan dalam industri pemurnian aluminium cair berpresisi tinggi.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"

Degassing In Aluminium Casting Degassing In Aluminium Casting\u00a0is the purpose of spraying Nitrogen into molten aluminum to remove hydrogen. In addition, degassing is also considered to be a very effective way to float impurities. Two main theoretical modes have been proposed to explain the principle…<\/p>","protected":false},"author":1,"featured_media":5528,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[68774,68736],"yoast_head":"\nDegassing In Aluminium Casting<\/title>\n<meta name=\"description\" content=\"Degassing In Aluminium Casting is to remove hydrogen, non-metallic inclusions, and unwanted trace elements. sales@adtechamm.com\" \/>\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.adtechamm.com\/id\/degassing-in-aluminium-casting\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Degassing In Aluminium Casting\" \/>\n<meta property=\"og:description\" content=\"Degassing In Aluminium Casting is to remove 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