نتایج جستجو برای: planar flow casting pfc process
تعداد نتایج: 1806745 فیلتر نتایج به سال:
UNLABELLED A simple, low-cost, versatile, and potentially scalable casting method is proposed for the fabrication of micro- and nano-thin films, herein termed as ultrasonic "substrate vibration-assisted drop casting" (SVADC). The impingement of a solution drop onto a substrate in a simple process called drop casting, usually results in spreading of the liquid solution and the formation of a non...
This paper describes activities relating to mold level control in continuous casting process as case examples of our process control solution business, in which we clarify and evaluate the process phenomena and design the control system. Initially, a mold level control model has been formulated by fluid flow analysis technique that evaluates molten steel flow in the mold quantitatively. The mod...
The use of aluminum alloys are of significant use in industry. Studying of design parameters of such products is important as not much work has been done for optimizing it. The generic formulation involves the flow, velocity, continuity fluid dynamics and shape related issues. The time for filling the mould and shape factor also play major role in performance of the casting process. In this pap...
در تحقیق حاضر نوارهای آمورف Co68.15Fe4.35Si12.5B15 توسط فرایند ریختهریسی نوارهای عریض[1] تولید شدند و به کمک آزمایشهای پراش اشعه ایکس (XRD)، آنالیز حرارتی تفاضلی (DTA) و اندازهگیری خواص مغناطیسی مشخصهیابی شدند. انرژی فعالسازی تبلور نوارهای آمورف به روش DTA تحت نرخهای گرمایش مختلف و به کمک مدلهای سینتیکی کیسینجر[2] و اوگیس- بنت[3] برابر با kJ/mol 5/673 تعیین شد. بررسی نتایج خواص مغناطیسی...
Abstract: The horizontal continuous casting process has received a significant attention for near net shape casting of non ferrous metals and alloys. Numerical Simulation has been widely used for process design and optimization of continuous casting process. In the present study, a 3-dimensional heat flow model was developed to simulate the heat transfer and solidification in a horizontal b...
In present work amorphous alloys Co 48 Fe 25 Si 4 B 19 Nb -R (R = Nd, Sm, Tb, Yb) were obtained by planar flow casting in the form of ribbons with 3-5 mm wide and 35-45μm thickness. It was found that crystallization process goes into two stages depends on used rare-earth addition its content alloy differential thermal analysis method. Glass-forming ability criteria calculated. is shown paramagn...
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