{"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\/uz\/standard\/astm-d1004\/","title":{"rendered":"ASTM D1004"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D1004 va Graves yirtish va yirtishga chidamlilik sinovi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Graves yoshi \u2014 u nima o'lchaydi<\/h3>\n\n\n\n<p>The <strong data-start=\"1299\" data-end=\"1314\">Graves yori<\/strong> test kuch talab qilinadigan kuchni baholaydi <strong data-start=\"1352\" data-end=\"1372\">Yirtishni boshlang<\/strong> Kesikli namuna. Tarqalishni o'lchaydigan boshqa yirtish usullaridan farqli o'laroq, ushbu usul diqqatni ... <em data-start=\"1475\" data-end=\"1504\">Yoriq paydo bo'la boshlaydigan lahza<\/em>, stress konsentratsiyasi javobi va material qattiqligi haqida tushuncha beradi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Plastik plyonka va varaqlar uchun yirtilishga chidamlilik sinovi<\/h3>\n\n\n\n<p>The <strong data-start=\"1642\" data-end=\"1666\">Yirtilishga chidamlilik testi<\/strong> ASTM D1004 bo'yicha aniq belgilangan namuna geometriyasi va past yuklash tezligi ishlatiladi. <em data-start=\"1750\" data-end=\"1761\">51 mm\/min<\/em>, va doimiy tortish kuchi tezligidagi ajratish mashinasi. Ushbu konfiguratsiya sinovning qalinlik o'zgarishi yoki mahalliy nuqsonlar tufayli yuzaga keladigan zaifliklarni yashirmasdan materialning haqiqiy xulq-atvorini aks ettirishini ta'minlaydi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nega plastik film va varaqlarning yirtilishga chidamliligi muhim<\/h3>\n\n\n\n<p>The <strong data-start=\"2024\" data-end=\"2069\">Plastik plyonka va listning yirtilishga chidamliligi<\/strong> asosiy ish samaradorligi omillariga ta'sir qiladi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qadoqlashning ishlov berish paytida chidamliligi<\/li>\n\n\n\n<li>Teshilish boshlangan nosozliklarga chidamlilik<\/li>\n\n\n\n<li>Mexanik yuklar ta'sirida muhrni saqlash<\/li>\n\n\n\n<li>Tibbiy, farmatsevtika, oziq-ovqat yoki sanoat ilovalari uchun moslik<\/li>\n<\/ul>\n\n\n\n<p>Chopish kuchi polimer tarkibi, orientatsiyasi va qayta ishlash sharoitlariga bog'liq bo'lganligi sababli, ASTM D1004 o'xshash qalinlik diapazoniga ega materiallarni solishtirish uchun standartlashtirilgan va ishonchli usulni taklif etadi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1004 ning asosiy tamoyillari va sinov sharoitlari<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Nazoratli yuklash va namuna geometriyasi<\/h3>\n\n\n\n<p>ASTM D1004 namuna shaklini talab qiladi, u ... hosil qiladi <strong data-start=\"2678\" data-end=\"2702\">stress konsentratsiyasi<\/strong> Kesik yaqinida. Bu yirtilishni aniqlangan hududda sodir bo'lishiga imkon beradi va hattoki egiluvchan plyonkalarda ham takrorlanadigan natijalarni ta'minlaydi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Yirtilishga chidamlilik qiymati sifatida maksimal yuk<\/h3>\n\n\n\n<p>The <em data-start=\"2875\" data-end=\"2918\">Yirtilish boshlanishida kuzatilgan maksimal kuch<\/em> materialning yirtilishga chidamliligini ifodalaydi. Muhimi, standart yirtish kuchlari bo'lishi kerakligini belgilaydi. <strong data-start=\"3022\" data-end=\"3029\">emas<\/strong> Keng o'zgarishlar bo'yicha qalinlik bo'yicha normallashtirilmasin, chunki bu noto'g'ri xulosalarga olib kelishi mumkin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Moddiy cheklovlar<\/h3>\n\n\n\n<p>ASTM D1004 quyidagi hollarda eng yaxshi qo'llanadi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Film <strong data-start=\"3202\" data-end=\"3239\">Mo'rt tarzda ishdan chiqmaydi<\/strong><\/li>\n\n\n\n<li>Material kengaytmasi <strong data-start=\"3270\" data-end=\"3288\">200% dan kam<\/strong><\/li>\n\n\n\n<li>Qalinlik o'zgarishi ichida qoladi <strong data-start=\"3328\" data-end=\"3336\">\u00b110%<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Ushbu cheklovlar natijalarning ishonchliligini saqlaydi va haddan tashqari cho'zilish yoki sinish hodisalaridan kelib chiqadigan xatoliklardan saqlaydi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1004 sinov protsedurasining bosqichma-bosqich bayoni<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Namuna tayyorlash<\/h3>\n\n\n\n<p>Namunalaringizni standart o'lchamlar va kesik geometiyasiga muvofiq tayyorlang. Aniqlikni oshirish uchun kesik qilingan sohadagi bir nechta nuqtada qalinlikni o'lchang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Mashina sozlamalari<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Boshlang'ich tutqich ajralishi: <strong data-start=\"3784\" data-end=\"3795\">25,4 mm<\/strong><\/li>\n\n\n\n<li>Tutqichni ushlash tezligi: <strong data-start=\"3815\" data-end=\"3828\">51 mm\/min<\/strong><\/li>\n\n\n\n<li>Doimiy tortish tezligidagi ajratish rejimi<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Pozitsiyalash<\/h3>\n\n\n\n<p>Namunaning uzun o'qini qisqichlarning markaziy chizig'i bilan moslashtiring, burilish yoki notekis yuklanishning oldini olish uchun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Sinovni ijro etish<\/h3>\n\n\n\n<p>Namunni to'liq uzilguncha torting. Mashina yuk-vaqt yoki yuk-siljish ma'lumotlarini qayd etadi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Ma'lumotlarni qayd etish va hisoblash<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qayd etilgan maksimal yirtish yuki <strong data-start=\"4222\" data-end=\"4251\">uchta sezilarli raqam<\/strong><\/li>\n\n\n\n<li>Qayd etilgan maksimal cho'zilish <strong data-start=\"4289\" data-end=\"4316\">ikki sezilarli raqam<\/strong><\/li>\n\n\n\n<li>Har bir film orientatsiyasi uchun o'rtacha qiymat va standart og'ish hisoblandi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">To'g'ri Graves yosh testi testirini tanlash<\/h2>\n\n\n\n<p>To'g'ri uskuna ishlatish barqaror va yuqori aniqlikdagi yirtish boshlanishi ma'lumotlarini olish uchun zarurdir. Zamonaviy sinov mashinasi aniq kuch o'lchovi, barqaror harakatlantirish boshqaruvi, to'g'ri ushlagichlarni joylashtirish va moslashuvchan namuna montajlarini ta'minlashi kerak.<\/p>\n\n\n\n<p>Laboratoriyalarga ushbu talablarni samarali bajarishda yordam berish uchun, <strong data-start=\"4890\" data-end=\"4928\">Cell Instruments TST-01 ni taklif etadi<\/strong>, yuqori takrorlanuvchanlikdagi film tahlili uchun mo'ljallangan ko'p qirrali tortish va yirtish sinovlari tizimi. TST-01 aniq tezlik boshqaruvi, qattiq ramka konstruktsiyasi va uchun mos maxsus uskunalar bilan jihozlangan <strong data-start=\"5128\" data-end=\"5156\">Graves yoriq o'lchovlari<\/strong>, bu esa ASTM D1004 standartiga to'liq rioya qilishni va sinov ish jarayonini yaxshilashni maqsad qilgan kompaniyalar uchun ajoyib tanlovdir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tBiz bilan bog'laning va ASTM D1004 sinov yechimini oling\t\t\t\t<\/h2>\n\n\n\n<p>Ishonchli, takrorlanadigan va samarali muvofiqlikni izlayotgan laboratoriyalar uchun <a href=\"https:\/\/www.astm.org\/d1004-21.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM D1004<\/strong><\/a>, ilg'or yechimlar, masalan <strong data-start=\"6087\" data-end=\"6114\">Cell Instruments TST-01<\/strong> Muzokarali qiymatni ta'minlash va materiallarning ishlashini baholashda yuqori standartlarga rioya qilinishini ta'minlashga yordam berish.<\/p>\n\n\n\n<p><\/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\/uz\/wp-json\/wp\/v2\/standard\/9863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/media\/8068"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/media?parent=9863"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/standard-category?post=9863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}