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Abstract
Nano o‘lchamli zarrachalar asosida antikorrozion qoplamalar olish texnologiyasi zamonaviy materialshunoslik, kimyoviy texnologiya va mashinasozlik sanoatining dolzarb yo‘nalishlaridan biridir. Ushbu maqolada metall buyumlarni korroziyadan himoyalashda nanozarrachalar asosidagi kompozitsion qoplamalarning ahamiyati, ularni olish texnologik bosqichlari, qo‘llaniladigan nanomateriallar, polimer matritsalar, qoplama hosil qilish usullari va himoya mexanizmlari ilmiy jihatdan tahlil qilinadi. Tadqiqot mazmunida SiO₂, TiO₂, ZnO, Al₂O₃, grafen oksidi, nanogil, halloyzit nanotubalari va inhibitor yuklangan nanokonteynerlar asosidagi qoplamalarning metall yuzada zich, barqaror va funksional himoya qatlami hosil qilishi yoritiladi. Nanokompozit qoplamalar korroziy muhitning metall yuzaga kirib borishini sekinlashtiradi, ion va namlik diffuziyasini kamaytiradi, mikrodefektlarni to‘ldiradi hamda ayrim hollarda “aqlli” yoki o‘z-o‘zini tiklovchi himoya xususiyatini namoyon qiladi. So‘nggi ilmiy sharhlarda nanokompozit qoplamalar metall va qotishmalarni himoyalashda istiqbolli materiallar sifatida ko‘rsatilgan, chunki ular oddiy passiv to‘siq vazifasidan tashqari faol inhibitor ajratish, passivatsiya va o‘z-o‘zini tiklash mexanizmlarini ham ta’minlay oladi. (PMC)
References
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