{"id":786,"date":"2020-04-10T09:10:00","date_gmt":"2020-04-10T09:10:00","guid":{"rendered":"http:\/\/alalloycasting.com\/?p=786"},"modified":"2026-07-16T01:41:58","modified_gmt":"2026-07-16T01:41:58","slug":"flux-used-in-metallurgy","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/flux-used-in-metallurgy\/","title":{"rendered":"Fluxo utilizado na metalurgia: aplica\u00e7\u00f5es industriais na purifica\u00e7\u00e3o de alum\u00ednio fundido"},"content":{"rendered":"<p data-start=\"338\" data-end=\"844\">As pe\u00e7as fundidas de alum\u00ednio de alta qualidade come\u00e7am com <strong data-start=\"380\" data-end=\"419\">metal fundido limpo e bem tratado<\/strong>. Nas fundi\u00e7\u00f5es industriais de alum\u00ednio, impurezas como pel\u00edculas de \u00f3xido, esc\u00f3ria e hidrog\u00eanio dissolvido s\u00e3o os principais respons\u00e1veis pela porosidade, inclus\u00f5es e defeitos superficiais. <strong data-start=\"589\" data-end=\"616\">Fluxo utilizado na metalurgia<\/strong> desempenha um papel central no controle desses defeitos, e sua aplica\u00e7\u00e3o eficaz requer uma combina\u00e7\u00e3o do tipo correto, do momento adequado e da integra\u00e7\u00e3o com equipamentos de purifica\u00e7\u00e3o, tais como <strong data-start=\"798\" data-end=\"819\">sistemas de desgaseifica\u00e7\u00e3o<\/strong> e <strong data-start=\"824\" data-end=\"843\">filtros cer\u00e2micos<\/strong>.<\/p>\n<figure id=\"attachment_83285\" aria-describedby=\"caption-attachment-83285\" style=\"width: 1136px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-83285\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance.webp\" alt=\"Fluxo de trabalho para purifica\u00e7\u00e3o de alum\u00ednio fundido com etapas de aplica\u00e7\u00e3o de fundente\" width=\"1136\" height=\"757\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance.webp 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance-300x200.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance-768x512.webp 768w\" sizes=\"auto, (max-width: 1136px) 100vw, 1136px\" \/><figcaption id=\"caption-attachment-83285\" class=\"wp-caption-text\"><em>\u00a0Fluxo de trabalho industrial que mostra a aplica\u00e7\u00e3o de fluxo para remo\u00e7\u00e3o de \u00f3xidos, fluxo para o reservat\u00f3rio intermedi\u00e1rio, fluxo para refino e fluxo para desescoria\u00e7\u00e3o durante o processamento da massa fundida de alum\u00ednio<\/em><\/figcaption><\/figure>\n<p style=\"text-align: center;\" data-start=\"2234\" data-end=\"2419\"><a style=\"background-color: #fff3c4; display: inline-block; padding: 12px 28px; border-radius: 30px; color: #7a5a2a; text-decoration: none; font-size: 18px; font-weight: bold; text-align: center; border: 1px solid #E6D3A1;\" href=\"https:\/\/www.adtechaluminum.com\/products\/molten-aluminum-fluxes\/\" target=\"_blank\" rel=\"noopener\">Clique aqui para ver nossos fundentes para alum\u00ednio fundido<\/a><\/p>\n<h2 data-start=\"1163\" data-end=\"1216\">O que \u00e9 o fluxo para remo\u00e7\u00e3o de \u00f3xidos e como ele \u00e9 utilizado?<\/h2>\n<p data-start=\"1218\" data-end=\"1381\"><em><strong>Fluxo para remo\u00e7\u00e3o de \u00f3xido <\/strong><\/em>foi especificamente formulado para agir sobre as camadas de \u00f3xido superficiais e as inclus\u00f5es n\u00e3o met\u00e1licas finas que se formam durante a fus\u00e3o e a manuten\u00e7\u00e3o da temperatura. Na pr\u00e1tica:<\/p>\n<ul data-start=\"1383\" data-end=\"1894\">\n<li data-start=\"1383\" data-end=\"1541\"><strong data-start=\"1385\" data-end=\"1401\">Aplica\u00e7\u00e3o:<\/strong> Adicionado diretamente \u00e0 superf\u00edcie da massa fundida durante a manuten\u00e7\u00e3o da temperatura ou antes do vazamento. O fundente agrega os \u00f3xidos, formando uma esc\u00f3ria leve que pode ser removida.<\/li>\n<li data-start=\"1542\" data-end=\"1689\"><strong data-start=\"1544\" data-end=\"1564\">Dica operacional:<\/strong> Agite suavemente, por movimento rotativo ou manualmente, para evitar a forma\u00e7\u00e3o de turbul\u00eancia. Retire a camada superior com frequ\u00eancia para impedir a reintrodu\u00e7\u00e3o de \u00f3xidos.<\/li>\n<li data-start=\"1690\" data-end=\"1894\"><strong data-start=\"1692\" data-end=\"1711\">Caso pr\u00e1tico:<\/strong> Em uma f\u00e1brica que processa 20 toneladas de liga de alum\u00ednio 5xx, o uso de fluxo para remo\u00e7\u00e3o de \u00f3xido combinado com um filtro cer\u00e2mico reduziu a contagem de inclus\u00f5es em 60% e melhorou a lisura da superf\u00edcie da pe\u00e7a fundida.<\/li>\n<\/ul>\n<h2 data-start=\"2040\" data-end=\"2092\">O que \u00e9 o fundente para o reservat\u00f3rio de distribui\u00e7\u00e3o e por que ele \u00e9 importante?<\/h2>\n<p data-start=\"2094\" data-end=\"2205\"><em><strong>Fluxo para cuba de distribui\u00e7\u00e3o<\/strong><\/em>\u00a0\u00e9 aplicado no <strong data-start=\"2129\" data-end=\"2184\">tundish durante a lingotagem cont\u00ednua ou a transfer\u00eancia da concha<\/strong>. Suas principais fun\u00e7\u00f5es:<\/p>\n<ul data-start=\"2207\" data-end=\"2767\">\n<li data-start=\"2207\" data-end=\"2326\"><strong data-start=\"2209\" data-end=\"2234\">Preven\u00e7\u00e3o da oxida\u00e7\u00e3o:<\/strong> Forma uma camada protetora sobre o alum\u00ednio fundido, reduzindo a reoxida\u00e7\u00e3o durante o manuseio.<\/li>\n<li data-start=\"2327\" data-end=\"2435\"><strong data-start=\"2329\" data-end=\"2352\">Estabiliza\u00e7\u00e3o do fluxo:<\/strong> Minimiza a turbul\u00eancia no distribuidor e nos moldes, evitando o arrastamento de \u00f3xidos.<\/li>\n<li data-start=\"2436\" data-end=\"2608\"><strong data-start=\"2438\" data-end=\"2458\">Dica operacional:<\/strong> Combine o fluxo do reservat\u00f3rio de distribui\u00e7\u00e3o com o pr\u00e9-instalado <em><strong>filtro de espuma cer\u00e2mica <\/strong><\/em>no distribuidor. Isso melhora a captura de inclus\u00f5es e reduz os defeitos superficiais nas etapas posteriores do processo.<\/li>\n<li data-start=\"2609\" data-end=\"2767\"><strong data-start=\"2611\" data-end=\"2634\">Perspectiva do setor:<\/strong> As usinas que combinam o fluxo do reservat\u00f3rio intermedi\u00e1rio com uma filtragem adequada relatam uma redu\u00e7\u00e3o de 25\u201330% nos defeitos superficiais em pe\u00e7as fundidas estruturais de grande porte.<\/li>\n<\/ul>\n<h2 data-start=\"2999\" data-end=\"3059\">Como funciona o fluxo de refino nas opera\u00e7\u00f5es industriais?<\/h2>\n<p data-start=\"3061\" data-end=\"3144\"><strong><em>Fluxo de refino <\/em><\/strong>\u00e9 essencial para <strong data-start=\"3096\" data-end=\"3143\">remo\u00e7\u00e3o de hidrog\u00eanio e controle preciso das inclus\u00f5es<\/strong>:<\/p>\n<ul data-start=\"3146\" data-end=\"3636\">\n<li data-start=\"3146\" data-end=\"3290\"><strong data-start=\"3148\" data-end=\"3164\">Aplica\u00e7\u00e3o:<\/strong> Adicionado antes ou durante a desgaseifica\u00e7\u00e3o rotativa ou a inje\u00e7\u00e3o de g\u00e1s inerte. O fluxo promove a nuclea\u00e7\u00e3o de bolhas, melhorando a libera\u00e7\u00e3o do hidrog\u00eanio.<\/li>\n<li data-start=\"3291\" data-end=\"3458\"><strong data-start=\"3293\" data-end=\"3313\">Dica operacional:<\/strong> Em fundi\u00e7\u00f5es de sucata de alum\u00ednio ou de ligas com alto teor de material reciclado, o fluxo de refino restaura a qualidade da fundi\u00e7\u00e3o, reduzindo o hidrog\u00eanio dissolvido e minimizando os \u00f3xidos finos.<\/li>\n<li data-start=\"3459\" data-end=\"3636\"><strong data-start=\"3461\" data-end=\"3480\">Dados pr\u00e1ticos:<\/strong> Em ensaios industriais, a adi\u00e7\u00e3o de fluxo de refino antes do tratamento no<em><strong>Unidade de desgaseifica\u00e7\u00e3o\u00a0<\/strong><\/em>reduziu o teor de hidrog\u00eanio de 0,25 ppm para 0,08 ppm e diminuiu as microinclus\u00f5es em mais de 50%.<\/li>\n<\/ul>\n<h2 data-start=\"3861\" data-end=\"3921\">O que \u00e9 o fluxo de desescoria\u00e7\u00e3o e como ele deve ser aplicado?<\/h2>\n<p data-start=\"3923\" data-end=\"4012\"><em><strong>Fluxo de desescoria\u00e7\u00e3o\u00a0<\/strong><\/em>\u00e9 usado no <strong data-start=\"3958\" data-end=\"3982\">etapa final de refino<\/strong> para consolidar a esc\u00f3ria residual:<\/p>\n<ul data-start=\"4014\" data-end=\"4440\">\n<li data-start=\"4014\" data-end=\"4157\"><strong data-start=\"4016\" data-end=\"4032\">Aplica\u00e7\u00e3o:<\/strong> Adicionado ap\u00f3s o tratamento de fus\u00e3o ou a fase de repouso, antes do vazamento. O fundente reage com os \u00f3xidos remanescentes, formando uma esc\u00f3ria facilmente remov\u00edvel.<\/li>\n<li data-start=\"4158\" data-end=\"4272\"><strong data-start=\"4160\" data-end=\"4180\">Dica operacional:<\/strong> Utilize em conjunto com ferramentas de remo\u00e7\u00e3o de esc\u00f3ria com concha para uma remo\u00e7\u00e3o eficiente da esc\u00f3ria, evitando a recontamina\u00e7\u00e3o.<\/li>\n<li data-start=\"4273\" data-end=\"4440\"><strong data-start=\"4275\" data-end=\"4301\">Experi\u00eancia profissional:<\/strong> Em fundi\u00e7\u00f5es que processam lotes mistos de sucata, o fluxo desescoriador reduziu o arrastamento de esc\u00f3ria em 50\u201360%, melhorando o rendimento da fundi\u00e7\u00e3o e reduzindo o retrabalho.<\/li>\n<\/ul>\n<figure id=\"attachment_83286\" aria-describedby=\"caption-attachment-83286\" style=\"width: 1137px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-83286\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-solutions-for-cleaner-aluminum-melts.webp\" alt=\"Trabalhador aplicando fluxo para remo\u00e7\u00e3o de \u00f3xidos ao alum\u00ednio fundido em forno de manuten\u00e7\u00e3o, mostrando a forma\u00e7\u00e3o de esc\u00f3ria e o processo de remo\u00e7\u00e3o da esc\u00f3ria\" width=\"1137\" height=\"758\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-solutions-for-cleaner-aluminum-melts.webp 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-solutions-for-cleaner-aluminum-melts-300x200.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-solutions-for-cleaner-aluminum-melts-768x512.webp 768w\" sizes=\"auto, (max-width: 1137px) 100vw, 1137px\" \/><figcaption id=\"caption-attachment-83286\" class=\"wp-caption-text\"><em>\u00a0 \u00a0O fluxo para remo\u00e7\u00e3o de \u00f3xidos \u00e9 adicionado ao alum\u00ednio fundido durante a fase de manuten\u00e7\u00e3o da temperatura; ele agrega os \u00f3xidos, formando uma esc\u00f3ria leve, que \u00e9 removida para melhorar a pureza da fus\u00e3o e a qualidade da fundi\u00e7\u00e3o.<\/em><\/figcaption><\/figure>\n<h2 style=\"text-align: center;\" data-start=\"4578\" data-end=\"4645\"><a style=\"background-color: #fff3c4; display: inline-block; padding: 12px 28px; border-radius: 30px; color: #7a5a2a; text-decoration: none; font-size: 18px; font-weight: bold; text-align: center; border: 1px solid #E6D3A1;\" href=\"https:\/\/web.whatsapp.com\/send?phone=8617344611163&amp;text=\" target=\"_blank\" rel=\"noopener\">N\u00e3o sabe qual tipo de fluxo \u00e9 o mais adequado para voc\u00ea? Entre em contato com nossos especialistas para obter suporte t\u00e9cnico.<\/a><\/h2>\n<h2 data-start=\"4578\" data-end=\"4645\">Integra\u00e7\u00e3o do Flux com equipamentos industriais de purifica\u00e7\u00e3o de material fundido<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4647\" data-end=\"5018\">\n<thead data-start=\"4647\" data-end=\"4694\">\n<tr data-start=\"4647\" data-end=\"4694\">\n<th class=\"\" data-start=\"4647\" data-end=\"4659\" data-col-size=\"sm\">Equipamentos<\/th>\n<th class=\"\" data-start=\"4659\" data-end=\"4671\" data-col-size=\"sm\">Tipo de fluxo<\/th>\n<th class=\"\" data-start=\"4671\" data-end=\"4694\" data-col-size=\"md\">Benef\u00edcio operacional<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4740\" data-end=\"5018\">\n<tr data-start=\"4740\" data-end=\"4825\">\n<td data-start=\"4740\" data-end=\"4758\" data-col-size=\"sm\">Desgaseificador rotativo<\/td>\n<td data-start=\"4758\" data-end=\"4774\" data-col-size=\"sm\">Fluxo de refino<\/td>\n<td data-start=\"4774\" data-end=\"4825\" data-col-size=\"md\">Melhora a remo\u00e7\u00e3o de hidrog\u00eanio e a captura de inclus\u00f5es<\/td>\n<\/tr>\n<tr data-start=\"4826\" data-end=\"4934\">\n<td data-start=\"4826\" data-end=\"4848\" data-col-size=\"sm\">Filtro de espuma cer\u00e2mica<\/td>\n<td data-start=\"4848\" data-end=\"4879\" data-col-size=\"sm\">Remo\u00e7\u00e3o de \u00f3xido \/ Fluxo para reservat\u00f3rio de distribui\u00e7\u00e3o<\/td>\n<td data-col-size=\"md\" data-start=\"4879\" data-end=\"4934\">Ret\u00e9m \u00f3xidos de fluxo; melhora a qualidade da superf\u00edcie do lingote<\/td>\n<\/tr>\n<tr data-start=\"4935\" data-end=\"5018\">\n<td data-start=\"4935\" data-end=\"4951\" data-col-size=\"sm\">Concha com escumadeira<\/td>\n<td data-col-size=\"sm\" data-start=\"4951\" data-end=\"4969\">Fluxo de desescoria\u00e7\u00e3o<\/td>\n<td data-col-size=\"md\" data-start=\"4969\" data-end=\"5018\">Facilita a remo\u00e7\u00e3o da esc\u00f3ria; evita a recontamina\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"5020\" data-end=\"5167\"><strong data-start=\"5020\" data-end=\"5039\">Dica industrial:<\/strong> Nas fundi\u00e7\u00f5es de alum\u00ednio, a combina\u00e7\u00e3o do fluxo com o desgaseamento e a filtragem reduz os defeitos de fundi\u00e7\u00e3o em at\u00e9 30% e aumenta o rendimento.<\/p>\n<h2 data-start=\"5262\" data-end=\"5316\">Guia pr\u00e1tico passo a passo para o uso de fluxo na ind\u00fastria<\/h2>\n<ol data-start=\"5318\" data-end=\"5769\">\n<li data-start=\"5318\" data-end=\"5429\"><strong data-start=\"5321\" data-end=\"5345\">Etapa de remo\u00e7\u00e3o de \u00f3xidos:<\/strong> Adicione o fluxo para remo\u00e7\u00e3o de \u00f3xidos na temperatura de manuten\u00e7\u00e3o; mexa delicadamente; retire a esc\u00f3ria com frequ\u00eancia.<\/li>\n<li data-start=\"5430\" data-end=\"5548\"><strong data-start=\"5433\" data-end=\"5462\">Etapa de transfer\u00eancia \/ cuba de distribui\u00e7\u00e3o:<\/strong> Aplique o fluxo do distribuidor durante a transfer\u00eancia da panela de vazamento ou no pr\u00f3prio distribuidor para manter a prote\u00e7\u00e3o da massa fundida.<\/li>\n<li data-start=\"5549\" data-end=\"5652\"><strong data-start=\"5552\" data-end=\"5572\">Etapa de desgaseifica\u00e7\u00e3o:<\/strong> Introduza o fluxo de refino antes ou durante a desgaseifica\u00e7\u00e3o; monitore o teor de hidrog\u00eanio.<\/li>\n<li data-start=\"5653\" data-end=\"5769\"><strong data-start=\"5656\" data-end=\"5675\">Fase pr\u00e9-despejo:<\/strong> Aplique o fluxo de desescoria\u00e7\u00e3o; realize a remo\u00e7\u00e3o da esc\u00f3ria residual e prepare a massa fundida para a fundi\u00e7\u00e3o.<\/li>\n<\/ol>\n<p data-start=\"5771\" data-end=\"5982\"><em data-start=\"5771\" data-end=\"5788\">Nota pr\u00e1tica:<\/em> Ajuste a dosagem do fluxo com base no tipo de liga, na contamina\u00e7\u00e3o da massa fundida e no hist\u00f3rico do processo. O uso excessivo pode aumentar o volume da esc\u00f3ria sem melhorar a qualidade da massa fundida; o uso insuficiente deixa res\u00edduos de \u00f3xidos e hidrog\u00eanio.<\/p>\n<h2 data-start=\"5989\" data-end=\"6039\">\u00a0Desafios operacionais comuns e solu\u00e7\u00f5es<\/h2>\n<ul data-start=\"6041\" data-end=\"6505\">\n<li data-start=\"6041\" data-end=\"6173\"><strong data-start=\"6043\" data-end=\"6071\">Sensibilidade \u00e0 temperatura:<\/strong> O fluxo reage de maneira ideal dentro de uma faixa espec\u00edfica de temperatura. Evite adicionar o fluxo muito cedo ou muito tarde.<\/li>\n<li data-start=\"6174\" data-end=\"6277\"><strong data-start=\"6176\" data-end=\"6198\">Mistura incompleta:<\/strong> Certifique-se de que a distribui\u00e7\u00e3o seja uniforme; \u00e1reas com material fundido n\u00e3o tratado reduzem a efic\u00e1cia.<\/li>\n<li data-start=\"6278\" data-end=\"6381\"><strong data-start=\"6280\" data-end=\"6302\">Integra\u00e7\u00e3o de sucata:<\/strong> Um alto teor de material reciclado exige maior atividade do fluxo e monitoramento frequente.<\/li>\n<li data-start=\"6382\" data-end=\"6505\"><strong data-start=\"6384\" data-end=\"6414\">Sincroniza\u00e7\u00e3o de equipamentos:<\/strong> A desgaseifica\u00e7\u00e3o, a filtra\u00e7\u00e3o e a adi\u00e7\u00e3o de fluxo devem ser sincronizadas corretamente para maximizar a efici\u00eancia.<\/li>\n<\/ul>\n<p data-start=\"6507\" data-end=\"6629\"><strong data-start=\"6507\" data-end=\"6526\">Dica industrial:<\/strong> Mantenha um registro do tipo de liga, do tipo de fluxo, da dosagem e dos resultados observados para otimizar continuamente as opera\u00e7\u00f5es.<\/p>\n<h2 data-start=\"6636\" data-end=\"6673\">M\u00e9tricas de desempenho no mundo real<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"6675\" data-end=\"6983\">\n<thead data-start=\"6675\" data-end=\"6723\">\n<tr data-start=\"6675\" data-end=\"6723\">\n<th class=\"\" data-start=\"6675\" data-end=\"6687\" data-col-size=\"sm\">Tipo de fluxo<\/th>\n<th class=\"\" data-start=\"6687\" data-end=\"6700\" data-col-size=\"sm\">M\u00e9trica-chave<\/th>\n<th class=\"\" data-start=\"6700\" data-end=\"6723\" data-col-size=\"sm\">Melhoria t\u00edpica<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"6769\" data-end=\"6983\">\n<tr data-start=\"6769\" data-end=\"6840\">\n<td data-start=\"6769\" data-end=\"6785\" data-col-size=\"sm\">Remo\u00e7\u00e3o de \u00f3xido<\/td>\n<td data-col-size=\"sm\" data-start=\"6785\" data-end=\"6802\">\u00d3xidos superficiais<\/td>\n<td data-col-size=\"sm\" data-start=\"6802\" data-end=\"6840\">Redu\u00e7\u00e3o de 80\u201390% antes da filtra\u00e7\u00e3o<\/td>\n<\/tr>\n<tr data-start=\"6841\" data-end=\"6913\">\n<td data-start=\"6841\" data-end=\"6857\" data-col-size=\"sm\">Fluxo de refino<\/td>\n<td data-col-size=\"sm\" data-start=\"6857\" data-end=\"6876\">Teor de hidrog\u00eanio<\/td>\n<td data-col-size=\"sm\" data-start=\"6876\" data-end=\"6913\">Reduzido de 0,25 ppm para 0,08 ppm<\/td>\n<\/tr>\n<tr data-start=\"6914\" data-end=\"6983\">\n<td data-start=\"6914\" data-end=\"6932\" data-col-size=\"sm\">Fluxo de desescoria\u00e7\u00e3o<\/td>\n<td data-col-size=\"sm\" data-start=\"6932\" data-end=\"6948\">Esc\u00f3ria residual<\/td>\n<td data-col-size=\"sm\" data-start=\"6948\" data-end=\"6983\">Redu\u00e7\u00e3o de 50\u201360% ap\u00f3s a remo\u00e7\u00e3o da camada superficial<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"6985\" data-end=\"7098\"><em>Dados coletados em opera\u00e7\u00f5es de fundi\u00e7\u00e3o de alum\u00ednio ao longo de v\u00e1rios anos e validados em rela\u00e7\u00e3o a<strong> <a href=\"https:\/\/www.asminternational.org\/books-handbooks\/\" target=\"_blank\" rel=\"noopener\"><span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;Manual de Metais da ASM&nbsp;<\/span><\/a><\/strong>padr\u00f5es<\/em><\/p>\n<h2 data-start=\"7105\" data-end=\"7154\">Pr\u00e1ticas recomendadas de armazenamento e manuseio<\/h2>\n<ul data-start=\"7156\" data-end=\"7404\">\n<li data-start=\"7156\" data-end=\"7228\">Armazene o fluxo em <strong data-start=\"7172\" data-end=\"7202\">condi\u00e7\u00f5es secas e controladas<\/strong> para manter a reatividade.<\/li>\n<li data-start=\"7229\" data-end=\"7278\">Uso <strong data-start=\"7235\" data-end=\"7253\">rastreamento de lotes<\/strong> para garantia de qualidade.<\/li>\n<li data-start=\"7279\" data-end=\"7325\">Minimize a exposi\u00e7\u00e3o antes de adicionar \u00e0 massa fundida.<\/li>\n<li data-start=\"7326\" data-end=\"7404\">Os operadores devem usar <strong data-start=\"7350\" data-end=\"7357\">EPI<\/strong>, pois os p\u00f3s de fluxo podem causar irrita\u00e7\u00e3o na pele e nos olhos.<\/li>\n<\/ul>\n<h2 data-start=\"7411\" data-end=\"7425\">Conclus\u00e3o<\/h2>\n<p data-start=\"7427\" data-end=\"7721\">Usando <strong data-start=\"7433\" data-end=\"7505\">Fluxo para remo\u00e7\u00e3o de \u00f3xidos, fluxo para cuba de distribui\u00e7\u00e3o, fluxo para refino e fluxo para desescoria\u00e7\u00e3o<\/strong> em um fluxo de trabalho integrado \u00e9 essencial para a purifica\u00e7\u00e3o de alum\u00ednio fundido na ind\u00fastria. Ao combinar o tratamento com fundente com <strong data-start=\"7621\" data-end=\"7642\">sistemas de desgaseifica\u00e7\u00e3o<\/strong>, <strong data-start=\"7644\" data-end=\"7663\">filtros cer\u00e2micos<\/strong>, e com t\u00e9cnicas adequadas de desmoldagem, as fundi\u00e7\u00f5es podem alcan\u00e7ar:<\/p>\n<ul data-start=\"7723\" data-end=\"7931\">\n<li data-start=\"7723\" data-end=\"7781\">O fundente se funde com n\u00edveis mais baixos de hidrog\u00eanio e inclus\u00f5es<\/li>\n<li data-start=\"7782\" data-end=\"7840\">Melhoria das propriedades mec\u00e2nicas e superficiais das pe\u00e7as fundidas<\/li>\n<li data-start=\"7841\" data-end=\"7881\">Maior rendimento e menores taxas de refugo<\/li>\n<li data-start=\"7882\" data-end=\"7931\">Resultados de produ\u00e7\u00e3o consistentes e repet\u00edveis<\/li>\n<\/ul>\n<figure id=\"attachment_83287\" aria-describedby=\"caption-attachment-83287\" style=\"width: 617px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-83287\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/\u56db\u79cdflux\uff08\u62fc\u5199\u9519\u8bef\uff09.webp\" alt=\"fluxo para remo\u00e7\u00e3o de \u00f3xido, fluxo para cobertura isolante, fluxo de refino e fluxo para remo\u00e7\u00e3o de esc\u00f3ria\" width=\"617\" height=\"411\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/\u56db\u79cdflux\uff08\u62fc\u5199\u9519\u8bef\uff09.webp 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/\u56db\u79cdflux\uff08\u62fc\u5199\u9519\u8bef\uff09-300x200.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/\u56db\u79cdflux\uff08\u62fc\u5199\u9519\u8bef\uff09-768x512.webp 768w\" sizes=\"auto, (max-width: 617px) 100vw, 617px\" \/><figcaption id=\"caption-attachment-83287\" class=\"wp-caption-text\"><em>fluxo para remo\u00e7\u00e3o de \u00f3xido, fluxo para cobertura isolante, fluxo de refino e fluxo para remo\u00e7\u00e3o de esc\u00f3ria<\/em><\/figcaption><\/figure>\n<h2>Perguntas frequentes<\/h2>\n<details>\n<summary>1. Qual \u00e9 a principal finalidade do fundente na metalurgia do alum\u00ednio?<\/summary>\n<p>O fluxo remove \u00f3xidos e inclus\u00f5es n\u00e3o met\u00e1licas e reduz o hidrog\u00eanio, garantindo um alum\u00ednio mais puro e maior qualidade de fundi\u00e7\u00e3o.<\/p>\n<\/details>\n<details>\n<summary>2. Como fa\u00e7o para escolher o fluxo adequado para a minha liga?<\/summary>\n<p>A escolha depende do tipo de liga e do grau de contamina\u00e7\u00e3o. O fluxo para remo\u00e7\u00e3o de \u00f3xidos atua sobre os \u00f3xidos superficiais, o fluxo para o reservat\u00f3rio de distribui\u00e7\u00e3o protege durante a transfer\u00eancia, o fluxo para refino auxilia na desgaseifica\u00e7\u00e3o e o fluxo para desescoria\u00e7\u00e3o consolida a esc\u00f3ria residual.<\/p>\n<\/details>\n<details>\n<summary>3. O fluxo, por si s\u00f3, pode garantir pe\u00e7as fundidas sem defeitos?<\/summary>\n<p>N\u00e3o. O fluxo melhora a pureza da massa fundida, mas deve ser combinado com pr\u00e1ticas adequadas de desgaseifica\u00e7\u00e3o, filtragem e remo\u00e7\u00e3o de esc\u00f3ria para se obter pe\u00e7as fundidas sem defeitos.<\/p>\n<\/details>\n<details>\n<summary>4. Quando se deve adicionar o fluxo para remo\u00e7\u00e3o de \u00f3xido?<\/summary>\n<p>Adicione durante a manuten\u00e7\u00e3o da temperatura ou antes do vazamento, na temperatura adequada de fus\u00e3o. Mexer delicadamente e retirar a espuma regularmente aumentam a efic\u00e1cia.<\/p>\n<\/details>\n<details>\n<summary>5. Como o fluxo do reservat\u00f3rio intermedi\u00e1rio melhora a qualidade?<\/summary>\n<p>Ele forma uma camada protetora sobre o metal fundido no distribuidor, reduzindo a oxida\u00e7\u00e3o e a turbul\u00eancia, o que ajuda a prevenir inclus\u00f5es e defeitos superficiais.<\/p>\n<\/details>\n<details>\n<summary>6. Quais s\u00e3o as melhores pr\u00e1ticas para refinar o fluxo?<\/summary>\n<p>Adicione antes ou durante a desgaseifica\u00e7\u00e3o, assegure uma distribui\u00e7\u00e3o uniforme e ajuste a dosagem de acordo com o n\u00edvel de contamina\u00e7\u00e3o. O uso adequado reduz o hidrog\u00eanio e as inclus\u00f5es finas.<\/p>\n<\/details>\n<details>\n<summary>7. Como o fluxo desescoriador ajuda na etapa final?<\/summary>\n<p>Ele consolida a esc\u00f3ria residual antes do vazamento, facilitando a remo\u00e7\u00e3o da esc\u00f3ria e evitando a recontamina\u00e7\u00e3o da massa fundida.<\/p>\n<\/details>\n<details>\n<summary>8. O fluxo pode reduzir as taxas de refugo?<\/summary>\n<p>Sim. A aplica\u00e7\u00e3o adequada do fluxo minimiza os defeitos, melhorando o rendimento e reduzindo o desperd\u00edcio nas opera\u00e7\u00f5es industriais com alum\u00ednio.<\/p>\n<\/details>\n<details>\n<summary>9. Como o fluxo deve ser armazenado?<\/summary>\n<p>Mantenha o fluxo seco, em condi\u00e7\u00f5es controladas, e identifique claramente os lotes para preservar a reatividade e a consist\u00eancia.<\/p>\n<\/details>\n<details>\n<summary>10. Existem refer\u00eancias do setor sobre o uso de fluxo?<\/summary>\n<p>Sim. A aplica\u00e7\u00e3o do Flux pode ser comparada com o Manual de Metais da ASM e com as normas ISO de processamento de alum\u00ednio para se identificar as melhores pr\u00e1ticas.<\/p>\n<\/details>","protected":false},"excerpt":{"rendered":"<p>High-quality aluminum castings start with clean and well-treated molten metal. In industrial aluminum foundries, impurities such as oxide films, dross, and dissolved hydrogen are the&hellip;<\/p>","protected":false},"author":1,"featured_media":91974,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120,138],"tags":[1055,1056,1044,1047,1051,1050,1053,1054,1057,1059,1043,1039,1045,1046,1058,1038,1037,1040,1041,144,1049,1042,1048],"class_list":["post-786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes","category-seo","tag-flux-used-in-aluminium-strip","tag-flux-used-in-aluminum-ingot","tag-flux-used-in-aluminum-metallurgy","tag-flux-used-in-aluminum-or-aluminium","tag-flux-used-in-cast-aluminum","tag-flux-used-in-castable-refractory","tag-flux-used-in-ceramic-insulation","tag-flux-used-in-continuous-casting","tag-flux-used-in-foundry","tag-flux-used-in-foundry-factory","tag-flux-used-in-liquid-aluminum","tag-flux-used-in-materials-and-metallurgy","tag-flux-used-in-melting-aluminum","tag-flux-used-in-melting-point-of-aluminum","tag-flux-used-in-metal-foundry","tag-flux-used-in-metal-metallurgy","tag-flux-used-in-metallurgical-engineering","tag-flux-used-in-metallurgical-industry","tag-flux-used-in-metallurgical-products","tag-flux-used-in-metallurgy","tag-flux-used-in-metallurgy-company","tag-flux-used-in-metallurgy-of-aluminium","tag-flux-used-in-molten-aluminum"],"yoast_head":"<!-- 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