{"id":1929,"date":"2017-08-09T16:26:03","date_gmt":"2017-08-09T15:26:03","guid":{"rendered":"https:\/\/www.ultraseal-impregnation.com\/?p=1929"},"modified":"2017-08-09T16:26:03","modified_gmt":"2017-08-09T15:26:03","slug":"porosidad-de-las-piezas-de-fundicion","status":"publish","type":"post","link":"https:\/\/www.ultraseal-impregnation.com\/es\/2017\/08\/09\/porosidad-de-las-piezas-de-fundicion\/","title":{"rendered":"Porosidad de las piezas de fundici\u00f3n"},"content":{"rendered":"<p>La porosidad aparece en muchos componentes met\u00e1licos de fundici\u00f3n, aunque es especialmente prevalente en las coladas por moldeo de aluminio y magnesio.  Hay tres tipos de porosidad:<\/p>\n<p>\u00a0<\/p>\n<p><strong>POROSIDAD POR FLUJO:<\/strong> Produce defectos superficiales o internos generados por una presi\u00f3n insuficiente o por las condiciones de flujo del metal en el proceso.<\/p>\n<p><strong>POROSIDAD POR GASES:<\/strong>\u00a0Generalmente se da a nivel interno, generada por gases de varios tipos atrapados en el molde. La porosidad por gases proviene de tres fuentes diferentes en las coladas por moldeo: aire atrapado, vapor y lubricante quemado.<\/p>\n<p><strong>POROSIDAD POR CONTRACCI\u00d3N:<\/strong> La m\u00e1s habitual y la m\u00e1s dif\u00edcil de controlar, causada por un cambio en el volumen del metal al pasar de estado l\u00edquido a s\u00f3lido.<\/p>\n<p>La porosidad de las piezas de fundici\u00f3n tienen impacto en todos los eslabones de la cadena de suministro y fabricaci\u00f3n, puesto que est\u00e1 presente en distinta medida en todas las piezas de fundici\u00f3n. Aparecen como una serie de vac\u00edos en la estructura, adoptando tres formas b\u00e1sicas:<\/p>\n<p><!-- x-tinymce\/html --><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2049 alignleft\" src=\"https:\/\/www.ultraseal-impregnation.com\/es\/wp-content\/uploads\/sites\/9\/2017\/08\/3PorosityTypes-460x306.jpg\" alt=\"\" width=\"460\" height=\"306\" srcset=\"https:\/\/www.ultraseal-impregnation.com\/es\/wp-content\/uploads\/sites\/9\/2017\/08\/3PorosityTypes-460x306.jpg 460w, https:\/\/www.ultraseal-impregnation.com\/es\/wp-content\/uploads\/sites\/9\/2017\/08\/3PorosityTypes.jpg 760w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: left\"><strong>Ejemplos de aplicaci\u00f3n<\/strong><\/p>\n<div class=\"columns\">\n<div class=\"column\">\n<ul>\n<li>Bloques de motor<\/li>\n<li>Cajas de cambios<\/li>\n<li>Cabezales de cilindros<\/li>\n<li>Bombas\/componentes de bombas<\/li>\n<\/ul>\n<\/div>\n<div class=\"column\">\n<ul>\n<li>Cubiertas de motores<\/li>\n<li>Carcasas de filtros<\/li>\n<li>Componentes de compresores<\/li>\n<li>Carcasas de termostatos<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La porosidad aparece en muchos componentes met\u00e1licos de fundici\u00f3n, aunque es especialmente prevalente en las&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1038,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"class_list":["post-1929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centro-de-conocimientos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfQu\u00e9 es la porosidad de las piezas de fundici\u00f3n? | Centro de conocimientos | Ultraseal International<\/title>\n<meta name=\"description\" content=\"La porosidad aparece en muchos componentes met\u00e1licos de fundici\u00f3n, aunque es especialmente prevalente en las coladas por moldeo de aluminio y magnesio. 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