{"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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1004 va Graves yirtish va yirtishga chidamlilik testi   Graves yirtishi \u2014 u nima o'lchaydi   Graves yirtish testi tishli namunada yirtilishni boshlash uchun zarur kuchni baholaydi. Propagatsiyani o'lchaydigan boshqa yirtish usullaridan farqli o'laroq, ushbu usul yirtilish boshlanadigan lahzaga e'tibor qaratadi va stress konsentratsiyasiga bo'lgan javob hamda material qattiqligi haqida ma'lumot beradi. [\u2026]<\/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}]}}