{"id":18484,"date":"2023-06-19T10:31:49","date_gmt":"2023-06-19T08:31:49","guid":{"rendered":"http:\/\/cedrat-technologies.com\/produit\/patchs-piezo-composites-appliques-a-la-detection-de-defauts-par-focalisation-des-ondes-de-lamb\/"},"modified":"2023-07-20T11:20:22","modified_gmt":"2023-07-20T09:20:22","slug":"patchs-piezo-composites-appliques-a-la-detection-de-defauts-par-focalisation-des-ondes-de-lamb","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/patchs-piezo-composites-appliques-a-la-detection-de-defauts-par-focalisation-des-ondes-de-lamb\/","title":{"rendered":"Patchs pi\u00e9zo-composites appliqu\u00e9s \u00e0 la d\u00e9tection de d\u00e9fauts par focalisation des ondes de Lamb"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Patchs pi\u00e9zo-composites appliqu\u00e9s \u00e0 la d\u00e9tection de d\u00e9fauts par focalisation des ondes de Lamb. Les applications SHM (Structural Health Monitoring) bas\u00e9es sur les ultrasons reposent g\u00e9n\u00e9ralement sur l&rsquo;utilisation de patchs pi\u00e9zo\u00e9lectriques pour \u00e9mettre et recevoir des ondes acoustiques de surface ultrasonores. Le principe consiste \u00e0 \u00e9tudier la propagation des ondes \u00e0 travers une structure afin d&rsquo;\u00e9valuer son \u00e9tat de sant\u00e9. En raison du nombre \u00e9lev\u00e9 d&rsquo;\u00e9chos et des modes de propagation possibles des ondes acoustiques \u00e0 l&rsquo;int\u00e9rieur de la structure, ces applications souffrent de la lourdeur du traitement des signaux. Cet article pr\u00e9sente un patch pi\u00e9zo\u00e9lectrique composite et son \u00e9lectronique qui ont \u00e9t\u00e9 con\u00e7us et test\u00e9s avec succ\u00e8s pour r\u00e9duire la complexit\u00e9 des sch\u00e9mas de d\u00e9tection SHM.<\/p>\n","protected":false},"featured_media":15110,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"yes"},"product_brand":[],"product_cat":[1491,1411,1412,1464,1408,1409,1410],"product_tag":[],"class_list":{"0":"post-18484","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-domaine-fr","7":"product_cat-materiaux-essais","8":"product_cat-piezo-fr","9":"product_cat-publications-fr","10":"product_cat-transducteurs-ndt-shm","11":"product_cat-transducteurs-soniques","12":"product_cat-transducteurs-ultrasoniques","14":"first","15":"instock","16":"downloadable","17":"virtual","18":"purchasable","19":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/comments?post=18484"}],"version-history":[{"count":0,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18484\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/15110"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=18484"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=18484"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=18484"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=18484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}