{"id":2896,"date":"2017-08-01T15:45:45","date_gmt":"2017-08-01T15:45:45","guid":{"rendered":"http:\/\/nanovea.com\/?p=2896"},"modified":"2021-06-22T22:04:47","modified_gmt":"2021-06-22T22:04:47","slug":"test-de-micro-grattage-revetement-polymerique","status":"publish","type":"post","link":"https:\/\/nanovea.com\/fr\/test-de-micro-grattage-revetement-polymerique\/","title":{"rendered":"Test de micro-grattage du rev\u00eatement polym\u00e8re"},"content":{"rendered":"<p><a href=\"https:\/\/nanovea.com\/micro-scratch-tester\/\">Essais par rayures<\/a> est devenue l'une des m\u00e9thodes les plus largement appliqu\u00e9es pour \u00e9valuer la force coh\u00e9sive et adh\u00e9sive des rev\u00eatements. La charge critique, \u00e0 laquelle un certain type de d\u00e9faillance du rev\u00eatement se produit lorsque la charge appliqu\u00e9e augmente progressivement, est largement consid\u00e9r\u00e9e comme un outil fiable pour d\u00e9terminer et comparer les propri\u00e9t\u00e9s adh\u00e9sives et coh\u00e9sives des rev\u00eatements. Le p\u00e9n\u00e9trateur le plus couramment utilis\u00e9 pour les essais de rayure est le p\u00e9n\u00e9trateur conique en diamant Rockwell. Cependant, lorsque le test de rayure est effectu\u00e9 sur un rev\u00eatement polym\u00e8re souple d\u00e9pos\u00e9 sur un substrat fragile tel qu'une tranche de silicium, le p\u00e9n\u00e9trateur conique a tendance \u00e0 traverser le rev\u00eatement en formant des rainures plut\u00f4t qu'en cr\u00e9ant des fissures ou une d\u00e9lamination. La fissuration de la tranche de silicium fragile se produit lorsque la charge augmente encore. Par cons\u00e9quent, il est essentiel de d\u00e9velopper une nouvelle technique pour \u00e9valuer les propri\u00e9t\u00e9s de coh\u00e9sion ou d'adh\u00e9sion des rev\u00eatements souples sur un substrat fragile.<\/p>\n<p><a href=\"https:\/\/nanovea.com\/App-Notes\/micro-scrape-test.pdf\">Test de micro-grattage du rev\u00eatement polym\u00e8re<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L'essai de rayure s'est d\u00e9velopp\u00e9 pour devenir l'une des m\u00e9thodes les plus largement appliqu\u00e9es pour \u00e9valuer la force coh\u00e9sive et adh\u00e9sive des rev\u00eatements. La charge critique, \u00e0 laquelle un certain type de d\u00e9faillance du rev\u00eatement se produit lorsque la charge appliqu\u00e9e augmente progressivement, est largement consid\u00e9r\u00e9e comme un outil fiable pour d\u00e9terminer et comparer la force adh\u00e9sive et [...]<\/p>","protected":false},"author":1,"featured_media":2891,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7,349,337,345,346],"tags":[294],"class_list":["post-2896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-laboratory-testing","category-mechanical-testing","category-scratch-testing-adhesive-failure","category-scratch-testing-cohesive-failure","tag-micro-scrape-test"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/comments?post=2896"}],"version-history":[{"count":2,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2896\/revisions"}],"predecessor-version":[{"id":2898,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2896\/revisions\/2898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/media\/2891"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/media?parent=2896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/categories?post=2896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/tags?post=2896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}