{"id":99905,"date":"2018-03-11T10:21:11","date_gmt":"2018-03-11T10:21:11","guid":{"rendered":""},"modified":"2018-03-11T10:21:11","modified_gmt":"2018-03-11T10:21:11","slug":"analisis-de-la-influencia-del-grado-de-deformacion-plastica-en-fra%c2%ado-en-el-comportamiento-frente-a-la-corrosion-localizada-de-uniones-soldadas-de-aceros-inoxidables-austena%c2%adticos-mediante-te","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/valladolid\/analisis-de-la-influencia-del-grado-de-deformacion-plastica-en-fra%c2%ado-en-el-comportamiento-frente-a-la-corrosion-localizada-de-uniones-soldadas-de-aceros-inoxidables-austena%c2%adticos-mediante-te\/","title":{"rendered":"An\u00e1lisis de la influencia del grado de deformaci\u00f3n pl\u00e1stica en fr\u00edo en el comportamiento frente a la corrosi\u00f3n localizada de uniones soldadas de aceros inoxidables austen\u00edticos mediante t\u00e9cnicas macro y microelectroqu\u00edmicas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Del Pilar De Tiedra Frontaura <\/strong><\/h2>\n<p>Los aceros inoxidables austen\u00edticos se emplean ampliamente en la industria actual porque re\u00fanen una excelente combinaci\u00f3n de propiedades y caracter\u00edsticas, tales como: resistencia a la corrosi\u00f3n en un amplio rango de medios, tenacidad a bajas temperaturas, buena resistencia a altas temperaturas, buena soldabilidad y f\u00e1ciles de fabricar. en los procesos de conformado de estos materiales es frecuente encontrarse con operaciones que implican deformaci\u00f3n pl\u00e1stica en fr\u00edo y procesos de soldadura. El efecto combinado de la deformaci\u00f3n pl\u00e1stica y el subsiguiente tratamiento de sensibilizaci\u00f3n aportado por la soldadura induce en el material importantes transformaciones microestructurales que modifican su comportamiento frente a procesos de corrosi\u00f3n, como la corrosi\u00f3n intergranular, corrosi\u00f3n por picaduras. en este trabajo se utiliza una microcelda para realizar ensayos electroqu\u00edmicos de pa, epr y eprdl sobre cada una de las zonas, metal\u00fargicamente diferentes, generadas en las uniones soldadas de aceros tipo aisi 304 y aisi 316l con y sin acritud previa. Se pretende estudiar su diferente susceptibilidad frente a procesos de corrosi\u00f3n localizada. para validar el uso de la microcelda en la medida de los diferentes par\u00e1metros se realiza previamente un an\u00e1lisis comparativo de los resultados de los distintos ensayos realizados a escala macrosc\u00f3pica (ensayos convencionales) y a escala microsc\u00f3pica (microcelda) sobre probetas deformadas y\/o sensibilizadas de los aceros objeto de estudio. Este an\u00e1lisis nos permitir\u00e1 conocer las posibles diferencias entre los ensayos realizados en ambas escalas y, apoy\u00e1ndonos en el estudio microestructural,  justificar las ventajas e inconveniente de cada una de ellas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis de la influencia del grado de deformaci\u00f3n pl\u00e1stica en fr\u00edo en el comportamiento frente a la corrosi\u00f3n localizada de uniones soldadas de aceros inoxidables austen\u00edticos mediante t\u00e9cnicas macro y microelectroqu\u00edmicas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis de la influencia del grado de deformaci\u00f3n pl\u00e1stica en fr\u00edo en el comportamiento frente a la corrosi\u00f3n localizada de uniones soldadas de aceros inoxidables austen\u00edticos mediante t\u00e9cnicas macro y microelectroqu\u00edmicas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Del Pilar De Tiedra Frontaura <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/03\/2010<\/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>Cristina Garc\u00eda  Cabaz\u00f3n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel federico L\u00f3pez aparicio <\/li>\n<li>Jos\u00e9 Manuel Ruiz roman (vocal)<\/li>\n<li>Jos\u00e9 ram\u00f3n Ibars almonacil (vocal)<\/li>\n<li>Javier O\u00f1oro l\u00f3pez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Del Pilar De Tiedra Frontaura Los aceros inoxidables austen\u00edticos se emplean ampliamente en la industria actual 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