نتایج جستجو برای: planar flow casting pfc process
تعداد نتایج: 1806745 فیلتر نتایج به سال:
Planar flow casting (PFC) is a method that can be used to make thin, long, and wide metallic alloy foils by extruding molten liquid through nozzle slot immediately quenching on moving roller. The rates are high enough amorphous glasses may formed have many desirable properties for variety of applications. This paper reviews how PFC processes were developed, examines the typical operability rang...
In the present research, amorphous Fe73.5Si13.5B9Nb3Cu1 Finemet foils, 21-26µm in thickness and 5mm in width, were prepared by Planar Flow Casting (PFC) process. Wound cores of amorphous Finemet foils were simultaneously annealed and heat treated at 540°C for 60, 120 and 240 minutes in steam and air flow to form oxide insulating coating layer on both surfaces of the foils. The structure of nano...
The effects of gating system and pattern geometry on the metal flow in the lost foam casting (LFC) process have been investigated using glass covered mold and video recording system. Unlike convectional casting process, the type of the gating system showed little effect on fillability in lost foam, but pattern thickness had large effect on mold filling. The mold filling behavior seems to be con...
A three-dimensional mathematical and physical model coupling with the heat transfer and the flow of molten metal in the centrifugal casting of the high speed steel roll was established by using CFD software FLUENT. It can be used to analyze the distribution of the temperature filed and the flow filed in the centrifugal casting under the gravity, the electromagnetic stirring force and the centri...
IN order to remain competitive in the worldwide market for continuously cast steel, steel producers are finding it increasingly important to implement process control improvements. Through superior production process monitoring and control, producers are improving steel quality and are meeting customers’ requirements for steel size, grade, quantity, and properties at the lowest cost. Computer m...
Flow pattern and inclusion removal in a novel-designed crucible the planar flow casting process were studied present paper. A color dye water experiment was used to show field validate mathematical modeling. It shown that predicted by Large Eddy Simulation model is maximally consistent with physical The validated predict behavior various prototypes using combinations of multiple facilities. res...
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