پس از اختراع خودرو، بشر بزودی به رابطه میان مقاومت هوا و حرکت اتومبیل پی برد. به مرور زمان با بهبود عملکرد خودروها از جهات مختلف و بالارفتن قیمت سوخت، بهبود آیرودینامیکی نیز به مسأله‌ای اساسی تبدیل شد. پژوهشگران دریافتند ...

Nowadays, light weight and high strength metals are being used in various industries such as automotive and aerospace. Using aluminum-magnesium alloys is an efficient way to reduce the weight of a specific part. These ...

Ti-6Al-4V titanium alloy has great application in medicine and military industries due to its capabilities, namely high strength to weight ratio and corrosion resistance. In the current research, the effect of aging treatment ...

Comeld" is a novel technology which can be applied in connecting composites and metals by manufacture of an array of metal pins on the metal part and layup the composite layers on the pins to make an adhesive and mechanical ...

در تحقیق حاضر در مورد اثرات ارتفاع دندانه در میکروکانال دندانه‌دار دو بعدی، بر روی پارامترهای انتقال حرارت و دینامیک سیالات محاسباتی جریان آرام نانوسیال آب-اکسید آلومینیم است. بررسی‌های این تحقیق به صورت عددی با نرم افزار ...

In recent decade, the new advanced nanofluids, composed from various particles, have attracted the attention of researchers. This class of nanofluids, which can be prepared by suspending several types (two or more than ...

The use of aluminum alloys in various industries, especially the automotive industries, to have less structural weight, is on the rise. The use of semi-solid forming process in addition to changes in the microstructure ...

In this numerical study the the heat transfer and laminar nanofluid flow in the three-dimensional microchannels with triangular cross-section is simulated. For increase the heat transfer from the walls of the channel, ...

از آن جهت که مواد کامپوزیتی به خصوص کامپوزیت‌ها با زمینه پلیمری ساختارهای آسیب‌پذیری نسبت به صدمات ایجاد شده در فرم ترک و شکستگی هستند. در سال‌های اخیر تلاش‌های علمی جدید در جهت ایجاد یک واحد کنترل داخلی صورت گرفته است، ...

Nowadays, titanium-based alloys are among the most attractive metallic materials for biomedical applications (as implants) due to their non-biodegradability, low density, good mechanical properties as well as their good ...

Magnesium and its alloys are light, biodegradable, biocompatible metals that have promising applications as biomaterials. Magnesium is potentially useful for orthopedic and cardiovascular applications. However, the ...

In this study, a new method for joining aluminum tubes in subsurface structures using steel converting and aluminum welding are presented and reviewed. But near the weld area is under high thermal cycle and will ...