Mexanik kuchlanish – defor- masiyalangan (siqilgan, cho’zilgan va b.) qattiq jism ko’ndalang kesimining yuza birligiga to’g’ri keladigan elastiklik kuchi. Ushbu S = \u2014i\u00a3- tenglik b-n ifoda- lanadi, bunda G’e1 \u2014 elastiklik kuchi, S\u2014 yuza. Deformasiyalanish jarayonida qattiq jismni tashkil etuvchi zarra- lar \u2014 atom va molekulalarning ma’lum qismi bir-birlariga nisbatan siljiy- Di. Bunday siljishga qattiq jism tar- kibidagi zaryadlangan zarralar orasi- dagi elektromagnit kuchlari qarshilik ko’rsatadi. Natijada deformasilana- yotgan qattiq jismda mikdor jihatdan tashqi qo’yilgan kuchga teng, unga qarama- qarshi yo’nalgan ichki kuch \u2014 elastiklik kuchi vujudga keladi. Xususiy holda bir tomonlama cho’zilish (yoki siqilish) dan iborat de-formasiyalar uchun M. k. 8 ning nisbiy uzayish e ga bog’liqligi Guk qonuni orqali bunday ifodalanadi: 5 = ee, bunda E ~ o’zgarmas kattalik; u deformasiyalanayotgan sterjenning Mate- rialiga va fizik holatiga bog’liq. Taj- ribalar 8 ning e ga chiziqli bog’lanishi faqat elastik deformasiyaning kichik qiymatlarida aniq bajarilishini ko’rsatadi. Nisbiy uzayishning nisbatan katta qiymatlarida va, ayniqsa, noelastik de- formasiya vujudga kelganida chiziqli bo- glanishdan chetlanishi kuzatiladi. Rasm- da polipropilen sterjenning t-rasi 245 K ga teng bo’lgan holati uchun M.k. b-n nisbiy uzayish orasidagi bog’lanish grafigi keltirilgan. Bu bog’lanishni uch qismga bo’lish mumkin: 0 dan a gacha bo’lgan qismda chiziqli bog’lanish to’la bajariladi, bunda nisbiy uzayish bir necha foizdan oshmaydi, a dan ‘ gacha oraliqda chiziqli bog’lanishdan chetla- shish kuzatiladi, ammo bunda ham yuqori elastik deformasiya sodir bo’lib, nis- biy uzayish bir necha yuz foizga etib boradi. Bog’lanishning \u042c dan keying qismida esa sterjen uziladi. Kuzati- layotgan jismdagi M.k. faqat shu jism-ga boshqa jismlarning bevosita ta’si- ri natijasidagina emas, balki traning o’zgarishi, elektr yoki magnit maydoni ta’siri, jismning bir fazadan ikkinchi fazaga utishi va b. tufayli vujudga ke- lishi mumkin.<\/p>\n","protected":false},"excerpt":{"rendered":"
Mexanik kuchlanish – defor- masiyalangan (siqilgan, cho’zilgan va b.) qattiq jism ko’ndalang kesimining yuza birligiga to’g’ri keladigan elastiklik kuchi. Ushbu S = \u2014i\u00a3- tenglik b-n ifoda- lanadi, bunda G’e1 \u2014 … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[217],"tags":[],"class_list":["post-120029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-m-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"kr","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/120029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/comments?post=120029"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/120029\/revisions"}],"predecessor-version":[{"id":120055,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/120029\/revisions\/120055"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/media?parent=120029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/categories?post=120029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/tags?post=120029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}