{"id":1409,"date":"2008-10-08T12:38:46","date_gmt":"2008-10-08T17:38:46","guid":{"rendered":"https:\/\/www.ulprospector.com\/knowledge\/?p=1409"},"modified":"2018-02-09T14:01:04","modified_gmt":"2018-02-09T20:01:04","slug":"pe-dynamic-stress-sweep","status":"publish","type":"post","link":"https:\/\/ulprospector.ul.com\/1409\/pe-dynamic-stress-sweep\/","title":{"rendered":"Dynamic Stress Sweep of Plastics"},"content":{"rendered":"<p align=\"left\">By Associated Polymer Labs, Inc.<\/p>\n<p>Stress sweeps, also referred to as amplitude sweeps, are used as an efficient way to characterize plastic material stability. The wider the linear viscoelastic range the more stable the material.<\/p>\n<p>The wax material had a behavior similar to salad dressing. Stable to a certain stress, then the viscosity decreases gradually.<\/p>\n<p>The following is a typical example for impression wax.<\/p>\n<table border=\"0\" width=\"20\" align=\"center\">\n<tbody>\n<tr>\n<td><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www2.ulprospector.com\/images\/articles\/assocpolymerlabs\/dynamic_stress_sweep.jpg\" alt=\"Impression Wax: Stable to a certain stress\" width=\"551\" height=\"432\" \/><\/td>\n<\/tr>\n<tr>\n<td class=\"idesGrey\">\n<div align=\"center\">The wax material had a behavior similar to salad dressing. Stable to a certain stress, then the viscosity decreases gradually.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Dynamic Stress Sweep can be used for:<\/p>\n<ul>\n<li>Determination of the limits of linear viscoelasticity.<\/li>\n<li>Characterization of samples that exhibit extreme nonlinear behavior, such as filled thermoplastics, thermoplastic blends, etc.<\/li>\n<li>Normal quality control test for food applications, lotions, etc.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>By Associated Polymer Labs, Inc. Stress sweeps, also referred to as amplitude sweeps, are used as an efficient way to characterize plastic material stability. The wider the linear viscoelastic range the more stable the material. The wax material had a &hellip; <a href=\"https:\/\/ulprospector.ul.com\/1409\/pe-dynamic-stress-sweep\/\">Continued<\/a><\/p>\n","protected":false},"author":20,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[27,21],"tags":[46,274],"ppma_author":[1237],"class_list":{"0":"post-1409","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-design","7":"category-plastics-2","8":"tag-associated-polymer-labs","9":"tag-design","10":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dynamic Stress Sweep of Plastics - Prospector Knowledge Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ulprospector.ul.com\/1409\/pe-dynamic-stress-sweep\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dynamic Stress Sweep of Plastics - Prospector Knowledge Center\" \/>\n<meta property=\"og:description\" content=\"By Associated Polymer Labs, Inc. Stress sweeps, also referred to as amplitude sweeps, are used as an efficient way to characterize plastic material stability. The wider the linear viscoelastic range the more stable the material. 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