{"id":2096,"date":"2023-02-28T13:05:28","date_gmt":"2023-02-28T10:05:28","guid":{"rendered":"https:\/\/metallsmaster.ru\/?p=2096"},"modified":"2023-02-28T13:05:28","modified_gmt":"2023-02-28T10:05:28","slug":"sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody","status":"publish","type":"post","link":"https:\/\/metallsmaster.pro\/pt\/a-composicao-de-um-eletrodo-de-soldagem-ou-do-que-os-eletrodos-sao-feitos\/","title":{"rendered":"Composi\u00e7\u00e3o do eletrodo de soldagem ou do que os eletrodos s\u00e3o feitos"},"content":{"rendered":"<p>As opera\u00e7\u00f5es de soldagem s\u00e3o realizadas com eletrodos de soldagem, que devem atender aos padr\u00f5es de qualidade e garantir uma soldagem de alta qualidade. Um eletrodo de soldagem consiste em uma haste met\u00e1lica e um revestimento aplicado a ela. No entanto, tamb\u00e9m est\u00e3o dispon\u00edveis eletrodos de soldagem sem revestimento, que podem ser usados em determinadas aplica\u00e7\u00f5es que exigem propriedades espec\u00edficas.<\/p>\n<p>Os eletrodos de soldagem s\u00e3o produzidos com arames especiais, que podem ser feitos de diversos metais, dependendo do metal a ser soldado. Os di\u00e2metros dos arames variam de 1 a 12 mil\u00edmetros e os comprimentos podem chegar a 450 mil\u00edmetros.<\/p>\n<p>As classes dos eletrodos de soldagem s\u00e3o determinadas pelo seu teor de carbono, f\u00f3sforo e sil\u00edcio. A composi\u00e7\u00e3o qu\u00edmica do fio do eletrodo deve obedecer a regulamenta\u00e7\u00f5es rigorosas, visto que os eletrodos s\u00e3o fabricados para soldar diversos metais.<\/p>\n<p>Na soldagem a arco manual, os eletrodos de soldagem s\u00e3o revestidos com um revestimento que protege a po\u00e7a de fus\u00e3o da absor\u00e7\u00e3o de oxig\u00eanio e nitrog\u00eanio. Isso \u00e9 importante, pois o excesso de oxig\u00eanio e nitrog\u00eanio na solda pode reduzir a ductilidade do metal. Existem v\u00e1rios m\u00e9todos para reduzir o teor de oxig\u00eanio e nitrog\u00eanio na solda, incluindo o uso de eletrodos que produzem uma grande quantidade de esc\u00f3ria durante a fus\u00e3o, o que reveste a po\u00e7a de fus\u00e3o e a protege da penetra\u00e7\u00e3o de g\u00e1s.<\/p>\n<p>Assim, um eletrodo de soldagem consiste em uma haste met\u00e1lica e um revestimento, e sua composi\u00e7\u00e3o \u00e9 determinada pelo seu teor de carbono, f\u00f3sforo e sil\u00edcio. Na soldagem a arco manual, os eletrodos s\u00e3o revestidos com um revestimento que protege a po\u00e7a de fus\u00e3o da absor\u00e7\u00e3o de oxig\u00eanio e nitrog\u00eanio, preservando assim a ductilidade do metal.<\/p>\n<p>Os eletrodos de soldagem podem ser classificados como espessos ou finos, dependendo do seu revestimento. Revestimentos finos s\u00e3o usados para garantir arcos est\u00e1veis e qualidade de solda satisfat\u00f3ria. Eletrodos de soldagem com revestimentos espessos, por outro lado, conferem alta resist\u00eancia e ductilidade \u00e0s pe\u00e7as soldadas.<\/p>\n<p>Os componentes do revestimento do eletrodo de soldagem incluem agentes formadores de esc\u00f3ria e g\u00e1s, bem como elementos de liga. Eletrodos de soldagem com revestimento espesso cont\u00eam mais elementos de liga, o que melhora as propriedades das soldas. Esses eletrodos s\u00e3o frequentemente utilizados para soldar estruturas que exigem soldas de alta qualidade.<\/p>\n<p>Para evitar a perda de elementos de liga durante o processo de soldagem, componentes especiais, como ferroligas, s\u00e3o adicionados ao revestimento dos eletrodos de soldagem. Esses componentes protegem o revestimento da perda de elementos de liga, proporcionando cord\u00f5es de solda com propriedades semelhantes \u00e0s do metal base.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2097 aligncenter\" src=\"https:\/\/metallsmaster.pro\/wp-content\/uploads\/2023\/02\/sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody.webp\" alt=\"Composi\u00e7\u00e3o do eletrodo de soldagem ou do que os eletrodos s\u00e3o feitos\" width=\"600\" height=\"600\" srcset=\"https:\/\/metallsmaster.pro\/wp-content\/uploads\/2023\/02\/sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody.webp 600w, https:\/\/metallsmaster.pro\/wp-content\/uploads\/2023\/02\/sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody-300x300.webp 300w, https:\/\/metallsmaster.pro\/wp-content\/uploads\/2023\/02\/sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody-150x150.webp 150w, https:\/\/metallsmaster.pro\/wp-content\/uploads\/2023\/02\/sostav-svarochnogo-jelektroda-ili-iz-chego-sdelany-jelektrody-190x190.webp 190w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>O trabalho de soldagem \u00e9 realizado utilizando eletrodos de soldagem, que devem atender aos padr\u00f5es de qualidade e garantir\u2026<\/p>","protected":false},"author":1,"featured_media":2097,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-2096","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-svarochnye-elektrody-i-provoloki"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Dimon@1873\"\/>\n\t<link rel=\"canonical\" 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