{"id":3519,"date":"2024-04-28T21:09:36","date_gmt":"2024-04-28T19:09:36","guid":{"rendered":"https:\/\/aaoptoelectronic.com\/?p=3519"},"modified":"2024-04-28T21:09:37","modified_gmt":"2024-04-28T19:09:37","slug":"essais-non-destructifs-de-plaques-composites-par-vibrometrie-holographique","status":"publish","type":"post","link":"https:\/\/aaoptoelectronic.com\/fr\/essais-non-destructifs-de-plaques-composites-par-vibrometrie-holographique\/","title":{"rendered":"Contr\u00f4le non destructif de plaques composites par vibrom\u00e9trie holographique"},"content":{"rendered":"<p>Rapport sur une m\u00e9thode de surveillance optique \u00e0 grand champ pour r\u00e9v\u00e9ler les d\u00e9laminations locales dans les plaques composites en sandwich \u00e0 un d\u00e9bit vid\u00e9o par vibrom\u00e9trie holographique. Les mesures sans contact des ondes de flexion \u00e0 basse fr\u00e9quence sont effectu\u00e9es par holographie h\u00e9t\u00e9rodyne \u00e0 moyenne temporelle. Elle permet d'obtenir des images \u00e0 bande \u00e9troite des amplitudes vibratoires nanom\u00e9triques locales hors plan sous excitation sinuso\u00efdale et de r\u00e9v\u00e9ler les d\u00e9fauts de d\u00e9laminage qui provoquent des r\u00e9sonances locales des ondes de flexion. La taille du d\u00e9faut peut \u00eatre estim\u00e9e \u00e0 partir de la premi\u00e8re fr\u00e9quence de r\u00e9sonance de l'onde de flexion et des param\u00e8tres m\u00e9caniques de la couche observ\u00e9e de la plaque composite.<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/aaoptoelectronic.com\/wp-content\/uploads\/2024\/04\/Article-Non-destructive-testing-of-composite-plates-by-holographic-vibrometry.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 Article-Non-destructive-testing-of-composite-plates-by-holographic-vibrometry.\"><\/object><a id=\"wp-block-file--media-a6cdbcec-45e9-415e-8d1a-8bd2dc3daa1e\" href=\"https:\/\/aaoptoelectronic.com\/wp-content\/uploads\/2024\/04\/Article-Non-destructive-testing-of-composite-plates-by-holographic-vibrometry.pdf\">Article-Contr\u00f4le non destructif de plaques composites par vibrom\u00e9trie holographique<\/a><a href=\"https:\/\/aaoptoelectronic.com\/wp-content\/uploads\/2024\/04\/Article-Non-destructive-testing-of-composite-plates-by-holographic-vibrometry.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-a6cdbcec-45e9-415e-8d1a-8bd2dc3daa1e\">T\u00e9l\u00e9charger<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Rapport sur une m\u00e9thode de surveillance optique \u00e0 grand champ pour r\u00e9v\u00e9ler les d\u00e9laminations locales dans les plaques composites en sandwich \u00e0 un d\u00e9bit vid\u00e9o par vibrom\u00e9trie holographique. Les mesures sans contact des ondes de flexion \u00e0 basse fr\u00e9quence sont effectu\u00e9es par holographie h\u00e9t\u00e9rodyne \u00e0 moyenne temporelle. Elle permet d'obtenir des images \u00e0 bande \u00e9troite des amplitudes vibratoires nanom\u00e9triques locales hors du plan sous excitation sinuso\u00efdale et de r\u00e9v\u00e9ler les d\u00e9fauts de d\u00e9laminage qui provoquent des r\u00e9sonances locales de ... <a title=\"Contr\u00f4le non destructif de plaques composites par vibrom\u00e9trie holographique\" class=\"read-more\" href=\"https:\/\/aaoptoelectronic.com\/fr\/essais-non-destructifs-de-plaques-composites-par-vibrometrie-holographique\/\" aria-label=\"En savoir plus sur Non-destructive testing of composite plates by holographic vibrometry\">Lire plus<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-3519","post","type-post","status-publish","format-standard","hentry","category-articles"],"_links":{"self":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/posts\/3519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/comments?post=3519"}],"version-history":[{"count":1,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/posts\/3519\/revisions"}],"predecessor-version":[{"id":3521,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/posts\/3519\/revisions\/3521"}],"wp:attachment":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/media?parent=3519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/categories?post=3519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/tags?post=3519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}