{"id":29800,"date":"2018-03-09T09:23:05","date_gmt":"2018-03-09T09:23:05","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/diseno-obtencion-y-caracterizacion-de-nuevos-materiales-magneticos-fecuzr-una-aplicacion-en-biomedicina\/"},"modified":"2018-03-09T09:23:05","modified_gmt":"2018-03-09T09:23:05","slug":"diseno-obtencion-y-caracterizacion-de-nuevos-materiales-magneticos-fecuzr-una-aplicacion-en-biomedicina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/diseno-obtencion-y-caracterizacion-de-nuevos-materiales-magneticos-fecuzr-una-aplicacion-en-biomedicina\/","title":{"rendered":"Dise\u00f1o, obtenci\u00f3n y caracterizaci\u00f3n de nuevos materiales magn\u00e9ticos: fecuzr. una aplicaci\u00f3n en biomedicina"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Multigner Dom\u00ednguez Marta M. <\/strong><\/h2>\n<p>Este trabajo consta de dos partes: por un lado trata de la obtenic\u00f3n y caracterizaci\u00f3n de aleaciones de fecuzr y por otro, de la combinaci\u00f3n de materiales magn\u00e9ticos duros y blandos para la fabricaci\u00f3n de un esf\u00ednter urinario artificial.  se han fabricado mediante aleado mec\u00e1nico de alta energ\u00eda cuatro aleaciones con distinta composici\u00f3n (fe0.5cu0.5)93zr7, (fe0.7cu0.3)93zr7, (fe0.5cuo.5)85zr15 y (fe0.7cu0.3)85zr15. El producto final es un polvo homog\u00e9neo con un tama\u00f1o de part\u00edcula del orden de 100um. La caracterizaci\u00f3n estructural realizada mediante difracci\u00f3n de rayos x y microscop\u00eda de transmisi\u00f3n muestra que las aleacciones que contienen un 7% de zr son nanocristalinas con un tama\u00f1o medio de grano de 6 nm, mientras que las que tiene un 15 at de zr son amorfas. la estructura cristalina de las aleaciones con 7% at.De zr es la misma que la que presentan las aleaciones fe100-xcux: fcc para x=50 y bcc para x=30. La caracterizaci\u00f3n magn\u00e9tica de las muestras revela una rica fenomenolog\u00eda, entre la que cabe destacar la dependencia de la evoluci\u00f3n t\u00e9rmica de la imanaci\u00f3n con la intensidad del campo magn\u00e9tico aplicado. Con campos magn\u00e9ticos poco intensos, las cruvas de imanaci\u00f3n presentan una temperatura de curie inferior a la temperatura ambiente. Sin embargo, bajo campos magn\u00e9ticos intensos la temperatura de curie se deplaza hacia temperaturas superiores (100 k) y la imanaci\u00f3n sigue la ley de bloch. Este fen\u00f3meno se relaciona con efectos de magnetovolumen, motivo por el cual se ha dise\u00f1ado y construido un novedoso sistema experimental para medir magnetostricci\u00f3n de volumen en muestras en forma de polvo. Este sistema ha permitido confirmar la hip\u00f3tesis de que a temperatura ambiente, al aplicar campos magn\u00e9ticos elevados la muestra se hace ferromagn\u00e9tica mediante un efecto de magnetovolumen.  tambi\u00e9n se ha llevado a cabo la caracterizaci\u00f3n estructural y magn\u00e9tica de la descomposici\u00f3n t\u00e9rmica de las cuatro a<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dise\u00f1o, obtenci\u00f3n y caracterizaci\u00f3n de nuevos materiales magn\u00e9ticos: fecuzr. una aplicaci\u00f3n en biomedicina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dise\u00f1o, obtenci\u00f3n y caracterizaci\u00f3n de nuevos materiales magn\u00e9ticos: fecuzr. una aplicaci\u00f3n en biomedicina <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Multigner Dom\u00ednguez Marta M. <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/04\/2004<\/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>Guillermo Rivero Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Hernando grande <\/li>\n<li>Fernando Briones fernandez pola (vocal)<\/li>\n<li> Barandiaran Garc\u00eda Jos\u00e9 Manuel (vocal)<\/li>\n<li> Garcia paez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Multigner Dom\u00ednguez Marta M. Este trabajo consta de dos partes: por un lado trata de la obtenic\u00f3n [&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":[1],"tags":[5484,12959,5457,84089,5455,84088],"class_list":["post-29800","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-antonio-hernando-grande","tag-barandiaran-garcia-jose-manuel","tag-fernando-briones-fernandez-pola","tag-garcia-paez-jose-maria","tag-guillermo-rivero-rodriguez","tag-multigner-dominguez-marta-m"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/29800","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=29800"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/29800\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=29800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=29800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=29800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}