مروری بر نقش انواع افزودنی های نانو روان کار بر بهبود خواص تریبولوژیکی روان کارها
محورهای موضوعی : یافته های نوین کاربردی و محاسباتی در سیستم های مکانیکی
عباس تقی پور
1
(گروه مهندسی مکانیک، واحد دزفول، دانشگاه آزاد اسلامی، دزفول، ایران.)
کلید واژه: پایداری پراکندگی, مکانیزم روان کاری, خواص تریبولوژیکی, افزودنی نانو روان کار,
چکیده مقاله :
استفاده از نانوافزودنی ها در روان کننده ها یکی از مؤثرترین روش های کنترل اصطکاک و سایش است که برای حفظ انرژی، کاهش آلاینده ها و حفاظت از محیط زیست از اهمیت بالایی برخوردار است. با رشد علم و فناوری، پیشرفت های زیادی در زمینه افزودنی های نانو روان کار در تحقیقات علمی و کاربردهای صنعتی حاصل شده است. در این تحقیق به طور خلاصه به دسته بندی مواد افزودنی نانو روان کار و بررسی خواص تریبولوژیکی این افزودنی ها پرداخته شده است. بر اساس عناصر تشکیل دهنده نانو مواد، افزودنی های نانو روان کار برای سه گروه افزودنی ها بر پایه نانو فلزات، افزودنی ها بر پایه نانو کربن و افزودنی ها بر پایه نانوکامپوزیت تشریح گردیدند. علاوه بر این انواع مکانیزم های روان کاری افزودنی های نانو روان کار شامل تشکیل تریبو فیلم، عملکرد خود ترمیم کننده و اثر هم افزایی نیز بیان شده است. درنهایت، چالش ها و چشم انداز افزودنی های نانو روان کارها بیان شده است که طراحی و سنتز افزودنی های جدید با خاصیت روان کنندگی و ضدسایش در آینده را نشان می دهد.
Using nano additives in lubricants is one of the most effective ways to control friction and wear, which is significant for energy conservation, emission reduction, and environmental protection. With scientific and technological development, great advances have been made in nano lubricant additives in scientific research and industrial applications. This review summarizes the categories of nano lubricant additives and illustrates the tribological properties of these additives. Based on the component elements of nanomaterials, nano lubricant additives are discussed in three types, nanometal-based, nanocarbon-based, and nanocomposite-based additives in the review systematically. Moreover, the review summarizes the lubrication mechanisms of nano lubricant additives, including tribofilm formation, micro-bearing effect, self-repair performance, and synergistic effect. At last, the challenges and prospects of nano lubricant additives are proposed, which guide the design and synthesis of novel additives with significant lubrication and antiwear properties in the future.
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