{"id":25859,"date":"2018-03-09T09:17:24","date_gmt":"2018-03-09T09:17:24","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-del-caracter-magnetico-y-estructural-de-aleaciones-ferromagneticas-amorfas-y-nanocristalinas-obtenidas-por-solidificacion-rapida-y-aleado-mecanico\/"},"modified":"2018-03-09T09:17:24","modified_gmt":"2018-03-09T09:17:24","slug":"analisis-del-caracter-magnetico-y-estructural-de-aleaciones-ferromagneticas-amorfas-y-nanocristalinas-obtenidas-por-solidificacion-rapida-y-aleado-mecanico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pais-vasco-euskal-herriko-unibertsitatea\/analisis-del-caracter-magnetico-y-estructural-de-aleaciones-ferromagneticas-amorfas-y-nanocristalinas-obtenidas-por-solidificacion-rapida-y-aleado-mecanico\/","title":{"rendered":"An\u00e1lisis del car\u00e1cter magn\u00e9tico y estructural de aleaciones ferromagn\u00e9ticas amorfas y nanocristalinas obtenidas por solidificaci\u00f3n r\u00e1pida y aleado mecanico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carmen Miguel Alonso <\/strong><\/h2>\n<p>En esta tesis se presentan diferentes aspectos de la conducta magn\u00e9tica de aleaciones amorfas y nanocristalinas ricas en fe o co obtenidas por solidificacion r\u00e1pida (sr) o por aleado mec\u00e1nico (ma).  las aleaciones sr presentan  caracter\u00edsticas microestructurales, en su proceso de nanocristalizaci\u00f3n, similares en las dos composiciones investigadas. para la composici\u00f3n fe-finemet la fase segregada en el proceso de nanocristalizaci\u00f3n consiste en cristales alfa-fe(si), mientras que la aleaci\u00f3n co-finemet contiene cristales de co y de cob. El control de la temperatura de curie evidencia complicados procesos de relajaci\u00f3n estructural asociados al proceso de formaci\u00f3n de clusters. Tratamientos t\u00e9rmicos sin y con agentes mec\u00e1nicos y magn\u00e9ticos externos permiten favorecer o inhibir la formaci\u00f3n de dichos clusters, origin\u00e1ndose cambios en la conducta magnetostrictiva y en la respuesta de magnetoimpedancia de las muestras.  el estudio microestructura de la amorfizaci\u00f3n de la aleaci\u00f3n fe100-xbx por  ma permite la determinaci\u00f3n de la cin\u00e9tica de descritalizaci\u00f3n. Las muestras presentan una fase amorfa de composici\u00f3n fe\/b y diferentes cantidades cristalinas de alfa-fe y de boruros de hierro (fe2b y feb), donde la distribuci\u00f3n cuantitativa de fases, su tama\u00f1o de grano y las propiedades magn\u00e9ticas dependen de la composici\u00f3n nominal y del tiempo de molienda, siendo los par\u00e1metros de caracterizaci\u00f3n magn\u00e9tica (campo coercitivo e imanaci\u00f3n a saturaci\u00f3n) muy diferentes a los de cintas amorfas sr ricas en fe lo cual sugiere un claro potencial de optimizaci\u00f3n (por ejemplo, a trav\u00e9s de adecuados tratamientos de recocido) del comportamiento magn\u00e9tico extr\u00ednsecode las muestras aleadas mec\u00e1nicamente en este rango composicional.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis del car\u00e1cter magn\u00e9tico y estructural de aleaciones ferromagn\u00e9ticas amorfas y nanocristalinas obtenidas por solidificaci\u00f3n r\u00e1pida y aleado mecanico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis del car\u00e1cter magn\u00e9tico y estructural de aleaciones ferromagn\u00e9ticas amorfas y nanocristalinas obtenidas por solidificaci\u00f3n r\u00e1pida y aleado mecanico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carmen Miguel Alonso <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/09\/2003<\/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> Val Altuna Juan  Jos\u00e9 Del<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: angel Alegria loinaz <\/li>\n<li> Ramirez de arellano-ponte Antonio (vocal)<\/li>\n<li> Gonz\u00e1lez fern\u00e1ndez Jes\u00fas Mar\u00eda (vocal)<\/li>\n<li>p. Zhukov arcady (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carmen Miguel Alonso En esta tesis se presentan diferentes aspectos de la conducta magn\u00e9tica de aleaciones amorfas [&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":[12909],"tags":[40497,75109,75112,75113,75111,75110],"class_list":["post-25859","post","type-post","status-publish","format-standard","hentry","category-pais-vasco-euskal-herriko-unibertsitatea","tag-angel-alegria-loinaz","tag-carmen-miguel-alonso","tag-gonzalez-fernandez-jesus-maria","tag-p-zhukov-arcady","tag-ramirez-de-arellano-ponte-antonio","tag-val-altuna-juan-jose-del"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25859","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=25859"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25859\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=25859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=25859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=25859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}