110G13L PO‘LATINING MIKROSTRUKTURAVIY TUZILISHI VA  MEXANIK XOSSALARIGA TERMIK ISHLOV BERISHNING TA’SIRI

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3 июн 2025

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110G13L PO‘LATINING MIKROSTRUKTURAVIY TUZILISHI VA MEXANIK XOSSALARIGA TERMIK ISHLOV BERISHNING TA’SIRI

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MAQOLA ANNOTATSIYASI

110G13L po‘latiga termik ishlov berish uning ekspluatatsion xususiyatlarini yaxshilashda muhim rol o‘ynaydi. Yuqori marganesli austenitli po‘lat 1050–1150 °C oralig‘ida o‘tkazilgan toblashdan keyingina kerakli xossalarga ega bo‘ladi. Termik ishlov berishning asosiy maqsadi karbid fazalarini eritish, austenit strukturasini barqarorlashtirish va mexanik xossalarini oshirishdan iborat. Biroq keyingi qizdirish karbid birikmalarining ajralib chiqishiga olib keladi, bu esa po‘latning ishqalanishga bardoshliligini pasaytiradi. Rentgenostrukturaviy tahlil tadqiqotlari 600 °C dan yuqori haroratlarda α-faza mavjudligini aniqladi. Bu esa sovitish paytida sodir bo‘ladigan fazaviy o‘zgarishlarni tasdiqlaydi. Po‘lat mikrostrukturasiga marganesning ta’siri sezilarli bo‘lmadi. Uglerodning ko‘payishi esa mustahkamlik xususiyatlari oshishiga yordam beradi. G‘ovaklik va darzlar kabi quyma nuqsonlar po‘latning mexanik xususiyatlariga, ayniqsa, dinamik yuklamalarda salbiy ta’sir ko‘rsatadi. Kimyoviy tarkibni optimallashtirish va xrom, vanadiy kabi elementlar bilan legirlash zarbiy qovushqoqlik va yeyilishga chidamlilikni oshirish imkonini beradi. Modifikatorlarni kiritish qotishma strukturasini yaxshilaydi, ammo bu usullarni sanoatda qo‘llash qo‘shimcha o‘rganishni talab qiladi. 110G13L mahsulotlariga ishlab chiqarish jarayonida termik ishlov berish asosiy bosqich bo‘lib qolmoqda, ammo bu quyish nuqsonlarini to‘liq bartaraf etmaydi. Bu esa texnologik jarayonlarni yanada takomillashtirishni talab qiladi.

MUALIFLAR

Teglar

# термическая обработка# модификатор# микротвердость# аустенит# austenite# microhardness# heat treatment# карбид# carbide# modifikator# karbid# termik ishlov berish# mikro qattiqlik# marganesli po‘lat# yeyilishga bardoshli po‘lat# austenit# perlitli faza# zarbiy qovushqoqlik# марганцевая сталь# износостойкая сталь# перлитная фаза# ударная вязкость# manganese steel# wear-resistant steel# pearlite phase# modi�ier# impact toughness

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ROI:

https://eroi.uz/11.0094/A0625-0028

DOI:

Mavjud emas

Foydalanilgan adabiyotlar

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Ten, E. B., Bazlova, T. A., & Likholobov, E. Y. (2015). Effect of out-of-furnace treatment on the structure and mechanical properties of steel 110G13l. Metallurgical Science and Heat Treatment, 57, 146–150. https://doi.org/10.1007/s11041-015-9853-y

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