{"id":15246,"date":"2024-05-06T00:00:00","date_gmt":"2024-05-05T22:00:00","guid":{"rendered":"https:\/\/lati.com\/the-phenomenon-of-stress-cracking-effects-and-prevention\/"},"modified":"2024-05-06T00:00:00","modified_gmt":"2024-05-05T22:00:00","slug":"the-phenomenon-of-stress-cracking-effects-and-prevention","status":"publish","type":"post","link":"https:\/\/lati.com\/en\/the-phenomenon-of-stress-cracking-effects-and-prevention\/","title":{"rendered":"The Phenomenon of Stress Cracking: Effects and Prevention"},"content":{"rendered":"<h2>What is Stress Cracking?<\/h2>\n<p>Have you ever noticed transparent plastic objects marked by internal cracks even though they have never been used? It is very likely that the material in question has been affected by the <strong>phenomenon of stress cracking<\/strong>, which is a fracture caused by the combined action of internal stresses and often a liquid that permeates the molecular structure, facilitating the formation of cracks. <\/p>\n<h2>The Effects of Stress Cracking<\/h2>\n<p>Stress cracking is a problem that is difficult to prevent and requires careful evaluation of the exposure scenarios to which our object may be subjected. It primarily affects amorphous polymers, such as polycarbonate, but can also occur in semi-crystalline materials like polyethylene or polyamides.<x id=\"gid_0\"><\/x>For mechanical failure and crack formation to occur, the simultaneous presence of internal or external stresses on the material and a chemical product that penetrates the polymer structure is necessary, compromising the secondary bonds between macromolecular chains and causing brittle fracture. The phenomenon manifests over time, even after months, and is favored by high temperature, reagent concentration, and fatigue.  <\/p>\n<h2>How to Prevent Stress Cracking<\/h2>\n<p>To prevent stress cracking fractures, it is necessary to carry out a <strong>correct selection of polymers<\/strong>, a careful <strong>evaluation<\/strong> of the <strong>chemical substances<\/strong> present in the work environment, and an <strong>adequate design<\/strong> of the artifacts that avoids geometries or processes that promote and accelerate the structural problems discussed here.<\/p>\n<p>Do you want to discover the secrets of environmental stress cracking?<br \/>\n<a href=\"https:\/\/lati.com\/en\/download\/\">Consult and download our new guide to the chemical resistance of polymers:<\/a><br \/>\n<a href=\"https:\/\/www.lati.com\/it\/downloads\/letteratura\/\"><img decoding=\"async\" style=\"border-style: solid; border-width: 1px; float: left; height: 255px; width: 180px;\" src=\"https:\/\/www.lati.com\/filer\/canonical\/1714975527\/2741\/\" alt=\"\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stress cracking is a problem that is difficult to prevent and requires careful evaluation of the exposure scenarios to which our object may be subjected.<\/p>\n","protected":false},"author":1,"featured_media":3010,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-15246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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