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               <mods:abstract>Azken hamarkadetan, bibrazioen aurkako aplikazioen helburu nagusia osagaien bizitza erabilgarria, erosotasuna eta segurtasuna areagotzea izan da. Hala ere, gaur egungo aplikazioek lan-baldintza aldakorretara moldatzeko malgutasuna behar dute.&#xd;
Hori dela eta, material adimenduak gero eta gehiago erabiltzen ari dira industriako sektore ezberdinetan. Material talde honen barruan elastomero magnetoerreologikoak daude, eremu magnetiko baten eraginpean beraien propietateak aldatzen dituztelako.&#xd;
Tesi doktoral honen helburu nagusia elastomero magnetoerreologikoen propietate magnetotermiko biskoelastikoak aztertzea da, aplikazio industrialetan elastomero magnetoerreologikoen erabilpena areagotu ahal izateko.&#xd;
Hiru matrize ezberdin eta zortzi partikula-kontzentrazio bolumetriko erabili dira elastomero magnetoerreologiko isotropo eta anisotropoak sintetizatzean. Galerafaktorea eta metatze-modulua aztertzen dituen irizpide berria proposatu da sintetizaturiko laginen tarte biskoelastiko lineala definitzeko. Gainera, tarte honen sintesieta karakterizazio-aldagaiekiko menpekotasuna aztertu da. Tarte biskoelastiko lineala definitu ostean, sintesi- eta karakterizazio-aldagaien eragina propietate magnetobiskoelastiko linealetan aztertu dira. Horrela, material hauen atenuazio maximoaren&#xd;
aldakuntza definitu da.&#xd;
Bestalde, konpresio-entsegu magnetodinamiko berria diseinatu eta fabrikatu da, elastomero magnetoerreologikoak frekuentzia altuetan neurtu ahal izateko. Konpresioko propietateak neurtzeko prozedura definitu eta gero, elastomero magnetoerreologiko isotropoen konpresio-tarte biskoelastiko lineala aztertu da. Horrela, partikulakontzentrazioaren, frekuentziaren eta eremu magnetikoaren eragina propietate magnetobiskoelastiko linealetan definitu da.&#xd;
Azkenik, bi modelo magneto-biskoelastiko berri garatu dira, bata elastomero magnetoerreologiko isotropoetarako eta bestea anisotropoetarako. Bi ereduetan, bilakaera biskoelastikoa aurreikusteko lau parametroko deribatu frakzionarioen eredua erabili da. Arrhenius-en eredua erabiliz tenperaturearen eragina modelatu da, eta proposaturiko eredu biskoelastikoari gehitu zaio. Gainera, proposaturiko ereduko parametro bakoitzean partikula-kontzentrazioak duen eragina aztertu eta modelatu da. Elastomero magnetoerreologiko isotropoetan eremu magnetikoak eragiten duen modulu magneto&#xd;
induzitua modelatzeko, dipolo-dipolo interakzioetan oinarritua dagoen eredua garatu da. Elastomero magnetoerreologiko anisotropoei dagokienez, eremu magnetikoarekiko menpekotasuna modelatzeko material hauen permeabilitate magnetikoetan oinarritua dagoen eredua garatu da. Eredu biskoelastikoa eta eredu magnetikoa elkartuz, elastomero magnetoerreologiko anisotropoen bilakaera  magnetobiskoelastikoa aurreikusten duen eredu berri bakar bat garatu da.</mods:abstract>
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               <mods:accessCondition type="useAndReproduction">© Iker Agirre Olabide</mods:accessCondition>
               <mods:subject>
                  <mods:topic>Medida de propiedades mecánicas</mods:topic>
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               <mods:subject>
                  <mods:topic>Propiedades mágneticas de los sólidos</mods:topic>
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               <mods:subject>
                  <mods:topic>Simulación</mods:topic>
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                  <mods:title>Analysis of the magneto-thermo-dynamic behaviour of magnetorheological elastomers</mods:title>
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