{"id":110,"count":4,"description":"<h2>Taotlusmaterjalid<\/h2>\r\n<a href=\"https:\/\/www.astm.org\/d0882-18.html\" target=\"_blank\" rel=\"noopener\">ASTM D882<\/a> kehtib \u00f5hukese plastkile puhul, mille paksus on tavaliselt alla 1,0 mm (0,04 tolli). Siia kuuluvad kiled ja paindlikud plastid, mida kasutatakse pakendites, meditsiiniseadmetes ja mitmesugustes t\u00f6\u00f6stuslikes rakendustes.\r\n<h2>Katseprotsess<\/h2>\r\n<ol>\r\n \t<li><strong>Proovi ettevalmistamine<\/strong>: L\u00f5igake proovid kilest, tagades, et need on vigadeta. T\u00fc\u00fcpilised n\u00e4idise m\u00f5\u00f5tmed on 25,4 mm (1 tolli) laiad ja v\u00e4hemalt 150 mm (6 tolli) pikad.<\/li>\r\n \t<li><strong>Konditsioneerimine<\/strong>: Enne katsetamist tuleb n\u00e4idiseid konditsioneerida standardtemperatuuril ja -niiskuses (tavaliselt 23 \u00b0C ja 50% suhteline \u00f5huniiskus) v\u00e4hemalt 40 tundi.<\/li>\r\n \t<li><strong>Testimine<\/strong>: Tehke katse, kasutades t\u00f5mbekatse masinat. Paigaldage n\u00e4idis haardesse, tagades \u00f5ige joonduse, et v\u00e4ltida libisemist v\u00f5i eba\u00fchtlast pingejaotust.<\/li>\r\n \t<li><strong>Testide l\u00e4biviimine<\/strong>: Rakendage t\u00f5mbej\u00f5udu pideva haarde eraldamise kiirusega, kuni n\u00e4idis puruneb. Registreerige j\u00f5ud ja pikenemine.<\/li>\r\n<\/ol>\r\n[embed]https:\/\/youtu.be\/DVxj_f6DNmI[\/embed]\r\n<h2>Testitulemuste t\u00f5lgendamine<\/h2>\r\n<ul>\r\n \t<li><strong>T\u00f5mbetugevus<\/strong>: Maksimaalne t\u00f5mbej\u00f5ud, mida materjal talub.<\/li>\r\n \t<li><strong>Pikenemine murdumisel<\/strong>: Materjali venivus enne purunemist, v\u00e4ljendatuna protsentides esialgsest pikkusest.<\/li>\r\n \t<li><strong>Elastsusmoodul<\/strong>: The ratio of stress to strain in the elastic deformation phase, indicating the material's stiffness.<\/li>\r\n<\/ul>\r\n<h2>Katse olulisus<\/h2>\r\n<ul>\r\n \t<li><strong>Kvaliteedikontroll<\/strong>: Tagab, et materjalid vastavad konkreetsetele tugevuse ja paindlikkuse n\u00f5uetele nende kavandatud kasutuse puhul.<\/li>\r\n \t<li><strong>Materjalide v\u00f5rdlus<\/strong>: V\u00f5imaldab v\u00f5rrelda erinevaid plastmaterjale v\u00f5i sama materjali erinevaid partiisid.<\/li>\r\n \t<li><strong>Disaini valideerimine<\/strong>: Aitab neid materjale kasutavate toodete disaini ja vastupidavuse valideerimisel.<\/li>\r\n<\/ul>\r\n<h2>Instrumentide n\u00f5uded<\/h2>\r\n[caption id=\"attachment_4119\" align=\"aligncenter\" width=\"300\"]<a href=\"https:\/\/www.qualitester.com\/et\/toode\/tensile-tester-tst-01\/\"><img class=\"size-medium wp-image-4119\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/TST-01-Tensile-Tester-02-2-300x300.jpg\" alt=\"ASTM D882 \u00d5huke plastist lehtede t\u00f5mbetugevuse tester\" width=\"300\" height=\"300\" \/><\/a> <a href=\"https:\/\/www.qualitester.com\/et\/toode\/tensile-tester-tst-01\/\" target=\"_blank\" rel=\"noopener\">ASTM D882 \u00d5huke plastist lehtede t\u00f5mbetugevuse tester<\/a>[\/caption]\r\n<ul>\r\n \t<li><strong>T\u00f5mbekatse masin<\/strong>: Peab olema v\u00f5imeline rakendama vajalikku j\u00f5udu ja m\u00f5\u00f5tma venitust t\u00e4pselt.<\/li>\r\n \t<li><strong>Haaratsid<\/strong>: Peab sobima katsetatava materjali jaoks, et v\u00e4ltida libisemist ja tagada j\u00f5u \u00fchtlane jaotumine.<\/li>\r\n \t<li><strong>Keskkonnakontroll<\/strong>: Seadmed proovide konditsioneerimiseks vajaliku standardtemperatuuri ja -niiskuse s\u00e4ilitamiseks.<\/li>\r\n<\/ul>\r\n<h4>Ettevaatusabin\u00f5ud:<\/h4>\r\n<ul>\r\n \t<li><strong>Proovi ettevalmistamine<\/strong>: Veenduge, et n\u00e4idised on l\u00f5igatud t\u00e4pselt ja ilma vigadeta.<\/li>\r\n \t<li><strong>Masina kalibreerimine<\/strong>: Kalibreerige regulaarselt t\u00f5mbekatse masinat, et tagada t\u00e4psed tulemused.<\/li>\r\n \t<li><strong>Kohandamine<\/strong>: Joondage n\u00e4idised \u00f5igesti haardesse, et v\u00e4ltida eba\u00fchtlast pingete jaotumist.<\/li>\r\n<\/ul>","link":"https:\/\/www.qualitester.com\/et\/tootekategooria\/astm\/astm-d882\/","name":"ASTM D882","slug":"astm-d882","taxonomy":"product_cat","parent":99,"meta":[],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/et\/wp-json\/wp\/v2\/product_cat\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/et\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.qualitester.com\/et\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/et\/wp-json\/wp\/v2\/product_cat\/99"}],"wp:post_type":[{"href":"https:\/\/www.qualitester.com\/et\/wp-json\/wp\/v2\/product?product_cat=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}