{"id":19457,"date":"2024-12-11T17:58:42","date_gmt":"2024-12-11T20:58:42","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=19457"},"modified":"2024-12-11T17:58:43","modified_gmt":"2024-12-11T20:58:43","slug":"aditivos","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/aditivos\/","title":{"rendered":"Aditivos"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Os <strong>aditivos<\/strong> s&#xE3;o subst&#xE2;ncias incorporadas ao &#xF3;leo lubrificante para melhorar ou refor&#xE7;ar suas propriedades, adaptando-o &#xE0;s diversas condi&#xE7;&#xF5;es de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_df0939d41b6b180a5482dd03cebfafea\" data-link=\"https:\/\/hangarmma.com.br\/blog\/operacao-do-motor-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/operacao-do-motor-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">opera&#xE7;&#xE3;o do motor<\/a>. A seguir, os principais aditivos e suas fun&#xE7;&#xF5;es:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a) <strong>Antioxidantes<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Previnem a degrada&#xE7;&#xE3;o do &#xF3;leo causada pela oxida&#xE7;&#xE3;o, que ocorre quando o &#xF3;leo &#xE9; exposto ao oxig&#xEA;nio do ar em altas temperaturas. Sem esses aditivos, podem formar-se borras, dep&#xF3;sitos s&#xF3;lidos e compostos corrosivos que comprometem o funcionamento do motor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">b) <strong>Dispersantes<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Impedem que res&#xED;duos s&#xF3;lidos, como compostos de chumbo e produtos de combust&#xE3;o, se acumulem em partes cr&#xED;ticas como os an&#xE9;is do pist&#xE3;o. Em vez disso, esses res&#xED;duos s&#xE3;o mantidos em suspens&#xE3;o no &#xF3;leo at&#xE9; serem filtrados pelo sistema de lubrifica&#xE7;&#xE3;o. Isso ajuda a manter o motor limpo e eficiente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">c) <strong>Antiespumantes<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Controlam a forma&#xE7;&#xE3;o de espuma no &#xF3;leo. A espuma pode reduzir a efic&#xE1;cia da lubrifica&#xE7;&#xE3;o, causar falhas na <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> do sistema e levar a um funcionamento inadequado do motor. Esses aditivos garantem que o &#xF3;leo mantenha sua integridade durante a opera&#xE7;&#xE3;o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&#xD3;leos Multiviscosos<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Esses &#xF3;leos cont&#xEA;m um aditivo especial conhecido como <strong>melhorador do &#xED;ndice de viscosidade (VI Improver)<\/strong>, que ajuda a manter a viscosidade do &#xF3;leo est&#xE1;vel em uma ampla faixa de temperaturas. No entanto, esse aditivo pode ser menos eficaz na dispers&#xE3;o de res&#xED;duos de chumbo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por essa <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_617bafa94b322b082f5e41b31e5d2200\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ratio\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ratio\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">raz&#xE3;o<\/a>, em climas quentes onde n&#xE3;o h&#xE1; dificuldades com partidas a frio, alguns pilotos preferem &#xF3;leos <strong>minerais monograduados<\/strong>, que n&#xE3;o possuem o VI Improver, mas ainda oferecem boa lubrifica&#xE7;&#xE3;o em temperaturas elevadas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Os aditivos s\u00e3o subst\u00e2ncias incorporadas ao \u00f3leo lubrificante para melhorar ou refor\u00e7ar suas propriedades, adaptando-o \u00e0s diversas condi\u00e7\u00f5es de opera\u00e7\u00e3o do motor. A seguir, os principais aditivos e suas fun\u00e7\u00f5es: a) Antioxidantes Previnem a degrada\u00e7\u00e3o do \u00f3leo causada pela oxida\u00e7\u00e3o, que ocorre quando o \u00f3leo \u00e9 exposto ao oxig\u00eanio do ar em altas temperaturas. Sem [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-19457","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aditivos - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/aditivos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aditivos - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Os aditivos s\u00e3o subst\u00e2ncias incorporadas ao \u00f3leo lubrificante para melhorar ou refor\u00e7ar suas propriedades, adaptando-o \u00e0s diversas condi\u00e7\u00f5es de opera\u00e7\u00e3o do motor. A seguir, os principais aditivos e suas fun\u00e7\u00f5es: a) Antioxidantes Previnem a degrada\u00e7\u00e3o do \u00f3leo causada pela oxida\u00e7\u00e3o, que ocorre quando o \u00f3leo \u00e9 exposto ao oxig\u00eanio do ar em altas temperaturas. 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