{"id":9863,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1004\/"},"modified":"2026-04-16T09:53:04","modified_gmt":"2026-04-16T01:53:04","slug":"astm-d1004","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lv\/standard\/astm-d1004\/","title":{"rendered":"ASTM D1004"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D1004 un Graves pl\u012bsumu un pl\u012bsumu iztur\u012bbas tests<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Graves Tear - Ko tas m\u0113ra<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"1299\" data-end=\"1314\">Graves asara<\/strong> test\u0101 nov\u0113rt\u0113 sp\u0113ku, kas nepiecie\u0161ams, lai <strong data-start=\"1352\" data-end=\"1372\">uzs\u0101kt pl\u012bsumu ra\u0161anos<\/strong> ar iegrieztu paraugu. At\u0161\u0137ir\u012bb\u0101 no cit\u0101m asaru metod\u0113m, kas m\u0113ra izplat\u012b\u0161anos, \u0161\u012b metode koncentr\u0113jas uz <em data-start=\"1475\" data-end=\"1504\">br\u012bdis, kad s\u0101kas asaro\u0161ana<\/em>, sniedzot ieskatu par sprieguma koncentr\u0101cijas reakciju un materi\u0101la iztur\u012bbu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Plastmasas pl\u0113ves un loksnes iztur\u012bbas pret pl\u012bsumiem tests<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"1642\" data-end=\"1666\">iztur\u012bbas pret pl\u012bsumiem tests<\/strong> saska\u0146\u0101 ar ASTM D1004 standartu izmanto prec\u012bzi noteiktu parauga \u0123eometriju, zemu slodzes koeficientu <em data-start=\"1750\" data-end=\"1761\">51 mm\/min<\/em>, un past\u0101v\u012bga satv\u0113riena \u0101truma atdal\u012b\u0161anas ma\u0161\u012bna. \u0160\u0101da konfigur\u0101cija nodro\u0161ina, ka tests atspogu\u013co patieso materi\u0101la uzved\u012bbu, nemask\u0113jot tr\u016bkumus, ko izraisa biezuma izmai\u0146as vai viet\u0113jie defekti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u0101p\u0113c ir svar\u012bga plastmasas pl\u0113ves un lok\u0161\u0146u pl\u0113ves un loksnes iztur\u012bba pret pl\u012bsumiem?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"2024\" data-end=\"2069\">plastmasas pl\u0113ves un lok\u0161\u0146u pl\u0113ves un loksnes iztur\u012bba pret pl\u012bsumiem<\/strong> ietekm\u0113 galvenos veiktsp\u0113jas faktorus:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Iepakojuma iztur\u012bba p\u0101rkrau\u0161anas laik\u0101<\/li>\n\n\n\n<li>Iztur\u012bba pret caurdur\u0161anas izrais\u012btiem boj\u0101jumiem<\/li>\n\n\n\n<li>Bl\u012bv\u0113juma notur\u012bba meh\u0101nisk\u0101s slodz\u0113s<\/li>\n\n\n\n<li>Piem\u0113rot\u012bba medic\u012bnas, farm\u0101cijas, p\u0101rtikas vai r\u016bpnieciskiem lietojumiem<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0101 k\u0101 pl\u012b\u0161anas iztur\u012bba ir atkar\u012bga no polim\u0113ra sast\u0101va, orient\u0101cijas un apstr\u0101des apst\u0101k\u013ciem, ASTM D1004 standarts pied\u0101v\u0101 standartiz\u0113tu un uzticamu veidu, k\u0101 sal\u012bdzin\u0101t materi\u0101lus ar l\u012bdz\u012bgiem biezuma diapazoniem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1004 galvenie principi un test\u0113\u0161anas nosac\u012bjumi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Kontrol\u0113ta slodze un parauga \u0123eometrija<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D1004 standart\u0101 ir noteikta t\u0101da parauga forma, kas rada <strong data-start=\"2678\" data-end=\"2702\">sprieguma koncentr\u0101cija<\/strong> pie iegriezuma. Tas \u013cauj notikt pl\u012bsumiem noteikt\u0101 apgabal\u0101, nodro\u0161inot atk\u0101rtojamus rezult\u0101tus pat elast\u012bg\u0101m pl\u0113v\u0113m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Maksim\u0101l\u0101 slodze k\u0101 pl\u012bsuma pretest\u012bbas v\u0113rt\u012bba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <em data-start=\"2875\" data-end=\"2918\">maksim\u0101lais sp\u0113ks, kas nov\u0113rots pl\u012bsuma ra\u0161an\u0101s br\u012bd\u012b<\/em> raksturo materi\u0101la iztur\u012bbu pret pl\u012bsumiem. Svar\u012bgi ir tas, ka standarts nosaka, ka pl\u012b\u0161anas sp\u0113kam j\u0101b\u016bt <strong data-start=\"3022\" data-end=\"3029\">ne<\/strong> j\u0101normaliz\u0113 p\u0113c biezuma pla\u0161\u0101s vari\u0101cij\u0101s, jo tas var novest pie neprec\u012bziem secin\u0101jumiem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Materi\u0101lie ierobe\u017eojumi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D1004 vislab\u0101k piem\u0113rot, ja:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Filma <strong data-start=\"3202\" data-end=\"3239\">nav trausla.<\/strong><\/li>\n\n\n\n<li>Materi\u0101la papla\u0161in\u0101jums ir <strong data-start=\"3270\" data-end=\"3288\">maz\u0101k nek\u0101 200%<\/strong><\/li>\n\n\n\n<li>Biezuma izmai\u0146as nep\u0101rsniedz <strong data-start=\"3328\" data-end=\"3336\">\u00b110%<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ie ierobe\u017eojumi saglab\u0101 rezult\u0101tu ticam\u012bbu un \u013cauj izvair\u012bties no k\u013c\u016bd\u0101m, ko izraisa ekstr\u0113ma pagarin\u0101\u0161an\u0101s vai plais\u0101\u0161ana.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1004 testa proced\u016bras soli pa solim<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Parauga sagatavo\u0161ana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sagatavojiet paraugus, iev\u0113rojot standartiz\u0113tos izm\u0113rus un iegriezuma \u0123eometriju. Lai uzlabotu precizit\u0101ti, biezumu m\u0113ra vair\u0101kos punktos iegriezuma zon\u0101.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ma\u0161\u012bnas iestat\u012b\u0161ana<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u0101kotn\u0113j\u0101 sa\u0137eres atdal\u012b\u0161ana: <strong data-start=\"3784\" data-end=\"3795\">25,4 mm<\/strong><\/li>\n\n\n\n<li>Satv\u0113riena \u0101trums: <strong data-start=\"3815\" data-end=\"3828\">51 mm\/min<\/strong><\/li>\n\n\n\n<li>Konstantas satv\u0113riena \u0101truma atdal\u012b\u0161anas re\u017e\u012bms<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Pozicion\u0113\u0161ana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Izl\u012bdziniet parauga garo asi ar rokturu vidusl\u012bniju, lai nov\u0113rstu sagrie\u0161anos vai nevienm\u0113r\u012bgu slodzi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Testa izpilde<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Velciet paraugu, l\u012bdz notiek piln\u012bgs pl\u012bsums. Iek\u0101rta re\u0123istr\u0113 slodzes laika vai slodzes un p\u0101rvietojuma datus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Datu re\u0123istr\u0113\u0161ana un apr\u0113\u0137in\u0101\u0161ana<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maksim\u0101l\u0101 re\u0123istr\u0113t\u0101 pl\u012b\u0161anas slodze l\u012bdz <strong data-start=\"4222\" data-end=\"4251\">tr\u012bs z\u012bm\u012bgie skait\u013ci<\/strong><\/li>\n\n\n\n<li>Maksim\u0101lais pagarin\u0101jums, kas re\u0123istr\u0113ts l\u012bdz <strong data-start=\"4289\" data-end=\"4316\">divi z\u012bm\u012bgie skait\u013ci<\/strong><\/li>\n\n\n\n<li>Vid\u0113j\u0101 v\u0113rt\u012bba un standartnovirze, kas apr\u0113\u0137in\u0101ta katrai pl\u0113ves orient\u0101cijai<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pareiz\u0101 Graves asaru testera izv\u0113le<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lai ieg\u016btu stabilus un prec\u012bzus pl\u012bsuma s\u0101kuma datus, ir svar\u012bgi izmantot pareizo apr\u012bkojumu. Modernai test\u0113\u0161anas iek\u0101rtai j\u0101nodro\u0161ina prec\u012bzi sp\u0113ka m\u0113r\u012bjumi, stabila piedzi\u0146as kontrole, pareiza satv\u0113riena izl\u012bdzin\u0101\u0161ana un piel\u0101gojami parauga stiprin\u0101jumi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lai pal\u012bdz\u0113tu laboratorij\u0101m efekt\u012bvi izpild\u012bt \u0161\u012bs pras\u012bbas, <strong data-start=\"4890\" data-end=\"4928\">Cell Instruments pied\u0101v\u0101 TST-01<\/strong>, daudzpus\u012bga stiepes un pl\u012bsumu test\u0113\u0161anas sist\u0113ma, kas paredz\u0113ta augstas atk\u0101rtojam\u012bbas pl\u0113ves anal\u012bzei. TST-01 ir prec\u012bza \u0101truma kontrole, stingra r\u0101mja konstrukcija un specializ\u0113ti stiprin\u0101jumi, kas piem\u0113roti <strong data-start=\"5128\" data-end=\"5156\">Graves asaru m\u0113r\u012bjumi<\/strong>, t\u0101p\u0113c t\u0101 ir lieliska izv\u0113le uz\u0146\u0113mumiem, kas v\u0113las piln\u012bb\u0101 iev\u0113rot ASTM D1004 standartu, vienlaikus uzlabojot test\u0113\u0161anas darba pl\u016bsmu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tSazinieties ar mums Ieg\u016bstiet ASTM D1004 test\u0113\u0161anas risin\u0101jumu\t\t\t\t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratorij\u0101m, kas mekl\u0113 uzticamu, atk\u0101rtojamu un efekt\u012bvu atbilst\u012bbu <a href=\"https:\/\/www.astm.org\/d1004-21.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM D1004<\/strong><\/a>, progres\u012bvi risin\u0101jumi, piem\u0113ram. <strong data-start=\"6087\" data-end=\"6114\">Cell Instruments TST-01<\/strong> sniedz iev\u0113rojamu v\u0113rt\u012bbu un pal\u012bdz nodro\u0161in\u0101t augstus standartus materi\u0101lu veiktsp\u0113jas nov\u0113rt\u0113\u0161an\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1004 &amp; Graves Tear &amp; Tear Resistance Test Graves Tear \u2014 What It Measures The Graves tear test evaluates the force required to initiate tearing in a notched specimen. Unlike other tear methods that measure propagation, this method focuses on the moment where tearing begins, providing insight into stress concentration response and material toughness. [&hellip;]<\/p>","protected":false},"featured_media":8068,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[611],"class_list":["post-9863","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard\/9863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media\/8068"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media?parent=9863"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard-category?post=9863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}