{"id":1649,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/perdidas-magneticas-en-materiales-amorfos-y-nanocristalinos\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"perdidas-magneticas-en-materiales-amorfos-y-nanocristalinos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/perdidas-magneticas-en-materiales-amorfos-y-nanocristalinos\/","title":{"rendered":"Perdidas magneticas en materiales amorfos y nanocristalinos."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Perez Del Real Rafael <\/strong><\/h2>\n<p>En este trabajo se ha estudiado el comportamiento de las perdidas magneticas con respecto a los tratamientos termicos efectuados en materiales de composicion fe73.5cunb3si16.5b6. Se ha comprobado que cuando las muestras son recocidas a 550 c durante una hora se produce la reduccion de las perdidas magneticas debido a la aparicion de nanocristales de fesi, lo que conlleva la reduccion de la magnetostriccion. Sin embargo, cuando la muestra es recocida a 650 c durante una hora, se produce un gran aumento de las perdidas por histeresis, apareciendo ademas una relajacion que se podria asociar a la aparicion de nanocristales de feb.  por otra parte, muestras de la misma composicion han sido recubiertas con sio2 mediante pulverizacion catodica. Al recocer las muestras recubiertas a 550 c una hora se ha observado la aparicion de una anisotropia magnetica transversal al eje de la cinta y producida por las \u00abback stresses\u00bb que aparecen durante el tratamiento.  con esta anisotropia aumentan las perdidas por histeresis, mientras que se produce una tenue relajacion (observada en las perdidas por ciclo por unidad de volumen) asociada a la aparicion de los nanocristalitos de fesi.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Perdidas magneticas en materiales amorfos y nanocristalinos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Perdidas magneticas en materiales amorfos y nanocristalinos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Perez Del Real Rafael <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Antonio Hernando Grande<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Salvador Velayos Hermida <\/li>\n<li>Jos\u00e9 Rivas (vocal)<\/li>\n<li>Marcos Tejedor Gancedo (vocal)<\/li>\n<li>Manuel V\u00e1zquez Villalabeitia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Perez Del Real Rafael En este trabajo se ha estudiado el comportamiento de las perdidas magneticas con [&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":[199,1008,1007],"tags":[5484,7132,5486,745,7131,743],"class_list":["post-1649","post","type-post","status-publish","format-standard","hentry","category-fisica","category-fisica-del-estado-solido","category-propiedades-magneticas-de-los-solidos","tag-antonio-hernando-grande","tag-jose-rivas","tag-manuel-vazquez-villalabeitia","tag-marcos-tejedor-gancedo","tag-perez-del-real-rafael","tag-salvador-velayos-hermida"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1649","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=1649"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1649\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=1649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=1649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=1649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}