{"id":54433,"date":"2025-01-06T09:57:49","date_gmt":"2025-01-06T08:57:49","guid":{"rendered":"https:\/\/www.nae.fr\/2025\/01\/06\/permeabilite-gazeuse-des-polymeres-et-composites-a-matrices-organiques-aux-temperatures-cryogeniques-these-sous-embargo\/"},"modified":"2025-01-06T09:57:49","modified_gmt":"2025-01-06T08:57:49","slug":"permeabilite-gazeuse-des-polymeres-et-composites-a-matrices-organiques-aux-temperatures-cryogeniques-these-sous-embargo","status":"publish","type":"post","link":"https:\/\/nae-pp.dev-webadn.com\/en\/2025\/01\/06\/permeabilite-gazeuse-des-polymeres-et-composites-a-matrices-organiques-aux-temperatures-cryogeniques-these-sous-embargo\/","title":{"rendered":"Perm\u00e9abilit\u00e9 gazeuse des polym\u00e8res et composites \u00e0 matrices organiques aux temp\u00e9ratures cryog\u00e9niques (th\u00e8se sous embargo)"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><blockquote>Dans le contexte de transition \u00e9cologique actuel, le domaine du transport a\u00e9ronautique s&rsquo;est engag\u00e9 dans le d\u00e9veloppement de motorisations neutres en \u00e9missions de gaz \u00e0 effet de serre. Avec un taux massique \u00e9nerg\u00e9tique trois fois sup\u00e9rieur \u00e0 celui des \u00e9nergies fossiles, l&rsquo;hydrog\u00e8ne repr\u00e9sente alors le vecteur \u00e9nerg\u00e9tique id\u00e9al pour cette transition. N\u00e9anmoins, la n\u00e9cessit\u00e9 d&rsquo;optimiser la densit\u00e9 \u00e9nerg\u00e9tique embarqu\u00e9e impose son stockage sous sa forme liquide \u00e0 20K, et il est donc primordial d&rsquo;identifier les mat\u00e9riaux les plus adapt\u00e9s \u00e0 ces contraintes applicatives, \u00e0 la fois l\u00e9gers, r\u00e9sistants \u00e0 basse temp\u00e9rature et \u00e9tanches \u00e0 cet \u00e9l\u00e9ment au faible encombrement st\u00e9rique. Les initiatives r\u00e9centes dans le domaine spatial ont d\u00e9montr\u00e9 que les r\u00e9servoirs en composites \u00e0 matrices organiques pouvaient \u00eatre performants pour le stockage cryog\u00e9nique. Avec un gain de masse de pr\u00e8s de 40% par rapport \u00e0 l&rsquo;utilisation d&rsquo;aluminium, ces r\u00e9servoirs en mat\u00e9riaux composites ouvrent de r\u00e9elles perspectives dans le domaine a\u00e9ronautique.<\/blockquote><br>Pour en savoir plus : <a href=\"https:\/\/imt-mines-albi.hal.science\/tel-04850805v1\" target=\"_blank\" rel=\"noopener\">Perm\u00e9abilit\u00e9 gazeuse des polym\u00e8res et composites \u00e0 matrices organiques aux temp\u00e9ratures cryog\u00e9niques (th\u00e8se sous embargo)<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Dans le contexte de transition \u00e9cologique actuel, le domaine du transport a\u00e9ronautique s&rsquo;est engag\u00e9 dans le d\u00e9veloppement de motorisations neutres en \u00e9missions de gaz \u00e0 effet de serre. Avec un taux massique \u00e9nerg\u00e9tique trois fois sup\u00e9rieur \u00e0 celui des \u00e9nergies fossiles, l&rsquo;hydrog\u00e8ne repr\u00e9sente alors le vecteur \u00e9nerg\u00e9tique id\u00e9al pour cette transition. N\u00e9anmoins, la n\u00e9cessit\u00e9 d&rsquo;optimiser [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":54434,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34,57,16],"tags":[35,43,31,58],"class_list":["post-54433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innovation-et-technologique","category-nouveaux-carburants","category-rti","tag-actualites","tag-allegement-et-performances-des-structures","tag-composites","tag-hydrogene"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perm\u00e9abilit\u00e9 gazeuse des polym\u00e8res et composites \u00e0 matrices organiques aux temp\u00e9ratures cryog\u00e9niques (th\u00e8se sous embargo) | Ton Site<\/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:\/\/www.nae.fr\/2025\/01\/06\/permeabilite-gazeuse-des-polymeres-et-composites-a-matrices-organiques-aux-temperatures-cryogeniques-these-sous-embargo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perm\u00e9abilit\u00e9 gazeuse des polym\u00e8res et composites \u00e0 matrices organiques aux temp\u00e9ratures cryog\u00e9niques (th\u00e8se sous embargo) | Ton Site\" \/>\n<meta property=\"og:description\" content=\"Dans le contexte de transition \u00e9cologique actuel, le domaine du transport a\u00e9ronautique s&rsquo;est engag\u00e9 dans le d\u00e9veloppement de motorisations neutres en \u00e9missions de gaz \u00e0 effet de serre. Avec un taux massique \u00e9nerg\u00e9tique trois fois sup\u00e9rieur \u00e0 celui des \u00e9nergies fossiles, l&rsquo;hydrog\u00e8ne repr\u00e9sente alors le vecteur \u00e9nerg\u00e9tique id\u00e9al pour cette transition. N\u00e9anmoins, la n\u00e9cessit\u00e9 d&rsquo;optimiser [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.nae.fr\/2025\/01\/06\/permeabilite-gazeuse-des-polymeres-et-composites-a-matrices-organiques-aux-temperatures-cryogeniques-these-sous-embargo\/\" \/>\n<meta property=\"og:site_name\" content=\"NAE\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-06T08:57:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.nae.fr\/wp-content\/uploads\/2026\/06\/hal-logo-text.png\" \/>\n\t<meta property=\"og:image:width\" content=\"495\" \/>\n\t<meta property=\"og:image:height\" content=\"255\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"adminwa\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminwa\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" 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