{"id":2877,"date":"2017-06-29T16:04:10","date_gmt":"2017-06-29T16:04:10","guid":{"rendered":"http:\/\/nanovea.com\/?p=2877"},"modified":"2021-06-22T21:37:52","modified_gmt":"2021-06-22T21:37:52","slug":"astm-d7187-nanoscratching","status":"publish","type":"post","link":"https:\/\/nanovea.com\/fr\/astm-d7187-nanoscratching\/","title":{"rendered":"ASTM D7187 Effet de temp\u00e9rature par nano-grattage"},"content":{"rendered":"<p>ASTM D7187, la r\u00e9sistance de la peinture aux rayures et aux marques joue un r\u00f4le essentiel dans son utilisation finale. Une peinture automobile sensible aux rayures rend son entretien et sa r\u00e9paration difficiles et co\u00fbteux. Diff\u00e9rentes architectures de rev\u00eatement de l'appr\u00eat, de la couche de base et de la couche transparente ont \u00e9t\u00e9 d\u00e9velopp\u00e9es pour obtenir la meilleure r\u00e9sistance aux rayures et aux marques. <a href=\"https:\/\/nanovea.com\/nano-scratch-tester\/\">Test de nano-rayures<\/a> a \u00e9t\u00e9 d\u00e9velopp\u00e9e comme une m\u00e9thode d'essai standard pour mesurer les aspects m\u00e9canistes du comportement aux rayures\/marques des rev\u00eatements de peinture, comme d\u00e9crit dans la norme ASTM D7187.<a href=\"#_edn1\" name=\"_ednref1\"><\/a>. Diff\u00e9rents m\u00e9canismes de d\u00e9formation \u00e9l\u00e9mentaire, \u00e0 savoir la d\u00e9formation \u00e9lastique, la d\u00e9formation plastique et la fracture, se produisent \u00e0 diff\u00e9rentes charges pendant l'essai de rayure. Il permet une \u00e9valuation quantitative de la r\u00e9sistance plastique et de la r\u00e9sistance \u00e0 la rupture des rev\u00eatements de peinture.<\/p>\n<p><a href=\"https:\/\/nanovea.com\/App-Notes\/astm-d7187-temperature.pdf\">ASTM D7187 Effet de temp\u00e9rature par nano-grattage<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D7187, the resistance of the paint to scratch and mar plays a vital role in its end use. Automotive paint susceptible to scratches makes it difficult and costly to maintain and repair. Different coating architectures of the primer, basecoat, and clearcoat have been developed to achieve the best scratch\/mar resistance. Nanoscratch testing has been [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2870,"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":[7,339,349,337,346],"tags":[290,292,291,182],"class_list":["post-2877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-high-temperature-mechanical-testing","category-laboratory-testing","category-mechanical-testing","category-scratch-testing-cohesive-failure","tag-astm-d7187","tag-mar-resistance","tag-nanoscratching","tag-scratch-resistance"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2877","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=2877"}],"version-history":[{"count":3,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2877\/revisions"}],"predecessor-version":[{"id":2881,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/posts\/2877\/revisions\/2881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/media\/2870"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/media?parent=2877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/categories?post=2877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/fr\/wp-json\/wp\/v2\/tags?post=2877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}