{"id":141964,"date":"2026-01-12T18:07:11","date_gmt":"2026-01-12T18:07:11","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-del-cromo-y-del-niobio-en-la-corrosion-de-aleaciones-aluminio-zinc-magnesio\/"},"modified":"2026-01-12T18:07:11","modified_gmt":"2026-01-12T18:07:11","slug":"efecto-del-cromo-y-del-niobio-en-la-corrosion-de-aleaciones-aluminio-zinc-magnesio","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/efecto-del-cromo-y-del-niobio-en-la-corrosion-de-aleaciones-aluminio-zinc-magnesio\/","title":{"rendered":"Efecto del cromo y del niobio en la corrosion de aleaciones aluminio-zinc-magnesio."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Helena Moreira Ana <\/strong><\/h2>\n<p>En el presente trabajo se ha estudiado la corrosion electroquimica de aleacciones de al-zn-mg y la influencia de los aleantes cr y nb, asi como el efecto del tratamiento termico aplicado, en presencia de iones cl-.  para relacionar los datos electroquimicos con la microestructura de las aleaciones, se ha realizado, en primer lugar, un estudio detallado de la misma utilizando las tecnicas de microscopia optica, electronica de barrido, de transmision, de transmision de barrido y la tecnica de microanalisis por dispersion de rayos-x. Para el estudio electroquimico se utilizaron las tecnicas potenciodinamicas, de impedancia y las medidas de potencial de corrosion en diferentes disoluciones.  la adicion de cr y nb provoca una disminucion del tama\u00f1o de los granos, asi como un aumento de la resistencia a la corrosion de las aleaciones de al-zn-mg siendo el efecto del cr mas acentuado que el del nb, en ambos casos.  el tratamiento termico afecta tanto a la microestructura como a la resistencia a la corrosion, aumentando esta ultima en las aleaciones con tratamiento termico b y c.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto del cromo y del niobio en la corrosion de aleaciones aluminio-zinc-magnesio.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto del cromo y del niobio en la corrosion de aleaciones aluminio-zinc-magnesio. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Helena Moreira Ana <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>LLuis Cabot Pere<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ernesto Perez Gonzalez <\/li>\n<li>Xavier Domenech Antunez (vocal)<\/li>\n<li>Luis Bilurbina Alter (vocal)<\/li>\n<li>Pere Molera Sol? (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Helena Moreira Ana En el presente trabajo se ha estudiado la corrosion electroquimica de aleacciones de al-zn-mg [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[951,332,1424,199,305,560,1423],"tags":[1429,256673,256674,30333,1474,1430],"class_list":["post-141964","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-ciencias-tecnologicas","category-electroquimica","category-fisica","category-ingenieria-y-tecnologia-quimicas","category-quimica-fisica","category-tecnologia-de-la-corrosion","tag-ernesto-perez-gonzalez","tag-helena-moreira-ana","tag-lluis-cabot-pere","tag-luis-bilurbina-alter","tag-pere-molera-sol","tag-xavier-domenech-antunez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/141964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=141964"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/141964\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=141964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=141964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=141964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}