{"id":18520,"date":"2023-06-19T10:32:28","date_gmt":"2023-06-19T08:32:28","guid":{"rendered":"http:\/\/cedrat-technologies.com\/produit\/essai-dun-actionneur-piezoelectrique-amplifie-dans-une-combinaison-de-vibrations-et-daccelerations\/"},"modified":"2023-07-20T11:20:10","modified_gmt":"2023-07-20T09:20:10","slug":"essai-dun-actionneur-piezoelectrique-amplifie-dans-une-combinaison-de-vibrations-et-daccelerations","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/essai-dun-actionneur-piezoelectrique-amplifie-dans-une-combinaison-de-vibrations-et-daccelerations\/","title":{"rendered":"Essai d&rsquo;un actionneur pi\u00e9zo\u00e9lectrique amplifi\u00e9 dans une combinaison de vibrations et d&rsquo;acc\u00e9l\u00e9rations"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Les Sandia National Laboratories ont d\u00e9j\u00e0 test\u00e9 leur capacit\u00e9 \u00e0 imposer une charge vibratoire radiale de 7,5 g-rms (30 g en cr\u00eate) jusqu&rsquo;\u00e0 2 kHz sur un objet de 25 livres avec une acc\u00e9l\u00e9ration superpos\u00e9e de 50 g dans leur installation de centrifugation. Pour ce faire, un agitateur m\u00e9canique Unholtz-Dickie de 3 000 livres a \u00e9t\u00e9 fix\u00e9 \u00e0 l&rsquo;extr\u00e9mit\u00e9 du bras de la centrifugeuse pour cr\u00e9er une \u00ab\u00a0Vibrafuge\u00a0\u00bb. Cependant, la combinaison de directions de vibration non radiales et d&rsquo;acc\u00e9l\u00e9rations lin\u00e9aires sup\u00e9rieures \u00e0 50 g n&rsquo;est actuellement pas possible en raison des capacit\u00e9s de charge de l&rsquo;agitateur et des contraintes exerc\u00e9es sur les composants internes de l&rsquo;agitateur par l&rsquo;acc\u00e9l\u00e9ration combin\u00e9e de la centrifugeuse.<\/p>\n","protected":false},"featured_media":15204,"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":[1491,1499,1411,1412,1464],"product_tag":[],"class_list":{"0":"post-18520","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-domaine-fr","7":"product_cat-essais-mesures-fr","8":"product_cat-materiaux-essais","9":"product_cat-piezo-fr","10":"product_cat-publications-fr","12":"first","13":"instock","14":"downloadable","15":"virtual","16":"purchasable","17":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18520","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=18520"}],"version-history":[{"count":0,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18520\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/15204"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=18520"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=18520"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=18520"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=18520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}