{"id":3784,"date":"2022-10-20T12:01:43","date_gmt":"2022-10-20T12:01:43","guid":{"rendered":"https:\/\/bdih.spri.eus\/fidagarritasun-mekanikoko-eta-egitura-osotasuneko-unitatea\/"},"modified":"2026-05-25T05:03:08","modified_gmt":"2026-05-25T05:03:08","slug":"structural-integrity-unit","status":"publish","type":"post","link":"https:\/\/bdih.spri.eus\/en\/structural-integrity-unit\/","title":{"rendered":"Fidagarritasun Mekanikoko eta Egitura Osotasuneko Unitatea"},"content":{"rendered":"<p>Materialak eta osagaiak mekanikoki ezaugarritzeko ekipoak daude. Saiakuntzetan karga dinamikoak sartzen dira, deformazio-abiadura baxuetatik (1 \u00b5m\/orduko, termofluentzia edo tenperatura altuko creep saiakuntzetan ohikoa) 14 m\/s-ko abiaduretaraino (talka-saiakuntzak). Saiakuntza hauen maiztasunak hainbat minututan ziklo batetik (neke termomekanikoko saiakuntzetan) 200 Hz-raino (nekeko makina erresonanteetan) hartzen ditu.<\/p>\n<p>Kargak uniaxialak (tentsio-konpresioa) edo biaxialak (tentsio-konpresioa gehi tortsioa) izan daitezke, nitrogeno likido tenperaturatik (77 k) 1200 \u00b0 C-rainoko tenperatura-tartean (dagozkion histeresi kurbak lortuz).<\/p>\n<p>S-N kurbak zehazten dira (tentsioa vs. ziklo kopurua edo denbora), bai materialetarako, bai osagai edo egituretarako.<\/p>\n<p>Aztertzeko, FIB bidez mikra gutxi batzuen mikroakats artifizialak sar daitezke nahi den posizioan. Substratu baten eta pelikula mehe edota estaldura baten arteko fasearteak ezaugarritu daitezke, atxikipen-energia eta faseartearen zailtasuna zehaztuz. Pitzadurak oso goiz detektatzeko termografia infragorria dago, 100 \u00b5m-ko bereizmenarekin.<\/p>\n<p>Geratzen diren bizi zikloak eta ziklo totalak kalkulatzen dira, hondar-tentsioen efektua kontuan hartuz. Hondar-tentsioak X izpien difrakzioaren bidez neurtzen dira, eta eskala mikroskopikoan dauden hondar-tentsioak FIB-DIC teknikaren bidez.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Materialak eta osagaiak mekanikoki ezaugarritzeko ekipoak daude. Saiakuntzetan karga dinamikoak sartzen dira, deformazio-abiadura baxuetatik (1 \u00b5m\/orduko, termofluentzia edo tenperatura altuko creep saiakuntzetan ohikoa) 14 m\/s-ko abiaduretaraino (talka-saiakuntzak). Saiakuntza hauen maiztasunak hainbat minututan ziklo batetik (neke termomekanikoko saiakuntzetan) 200 Hz-raino (nekeko makina erresonanteetan) hartzen ditu. Kargak uniaxialak (tentsio-konpresioa) edo biaxialak (tentsio-konpresioa gehi tortsioa) izan daitezke, nitrogeno&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3787,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fidagarritasun Mekanikoko eta Egitura Osotasuneko Unitatea - BDIH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bdih.spri.eus\/en\/structural-integrity-unit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fidagarritasun Mekanikoko eta Egitura Osotasuneko Unitatea - BDIH\" \/>\n<meta property=\"og:description\" content=\"Materialak eta osagaiak mekanikoki ezaugarritzeko ekipoak daude. Saiakuntzetan karga dinamikoak sartzen dira, deformazio-abiadura baxuetatik (1 \u00b5m\/orduko, termofluentzia edo tenperatura altuko creep saiakuntzetan ohikoa) 14 m\/s-ko abiaduretaraino (talka-saiakuntzak). Saiakuntza hauen maiztasunak hainbat minututan ziklo batetik (neke termomekanikoko saiakuntzetan) 200 Hz-raino (nekeko makina erresonanteetan) hartzen ditu. 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