solidification process
The Electrochemical Behavior and Heat Removal Study during the Solidification Process of an Al-base Alloy
... the process of heat transfer in the mold from the liquid AlMe alloy, several mechanisms has been commonly considered, such as the conduction inside the bath liquid AlMe alloy [27], other approaches should be the ...
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Modeling and Simulation with Experimental Validation of Temperature Distribution during Solidification Process in Sand Casting
... make solidification simulation, a powerful tool to help the foundrymen in predicting casting ...the process parameters and their optimum values, simulation of solidification process is done by ...
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Role of Thermal Driven Buoyancy Flow on Solidification Process of Continuous Slab Caster
... on solidification process of continuous slab ...and solidification model is developed and result obtain from model are combined with non-dimensional formula to discuss the role of thermal driven ...
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Thermal Simulation of Solidification Process in Continuous Casting
... research, solidification process and associated heat transfer in a square continuous casting mold are suitably modeled, and the governing equations are solved by a numerical ...solution process, and ...
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Effect of Pressure on Solidification Process and Mechanical Properties During Semi-Solid Casting by Computational Fluid Dynamics (CFD)
... Figure 3 shows the liquid fraction at 0, 15 s after pouring upon the pressures of 1, 50 and 100 atm. As seen, in the case of atmospheric pressure (1atm), the solidification proceeds as usually from periphery ...
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Solidification Process and Behavior of Alloying Elements in Ni Based Superalloy Inconel718
... process, there exists a large difference between the equili- brium diagram calculated by Thermo-Calc and the exper- imental one for this kind of alloy. This is because the diagram calculated by Thermo-Calc is for ...
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Prediction of Thermal Properties In A Solidification Process
... and small variation concept was added to compute the solid and liquid thermal conductivities and specific heat of materials simultaneously. The iterative process in the computation cannot be avoided since the ...
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Research Status of Quality Control of Welded Joints for High Strength Hull Steel
... the process of the high strength steel welding ,the main factors, which influence the properties of the welded joint of steel, are the steel itself, the welding method ,the welding process and the welding ...
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Visualization of Double Diffusive Convection and Unsteady Solidification on a Vertical Circular Cylinder
... magma solidification process on the outer surface of the DCHE in the magma cham- ber, we employed aqueous solution of sodium nitrate in a cubical vessel and the cooled vertical circular cylinder [4] ...
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Temperature Gradient: A Simple Method for Single Crystal Growth
... Photography and simulating of the vertical furnace are showed in the Fig. 1. In this method, the temperature was controlled by the multi-step temperature controller and the R- type thermocouple is used as the heating ...
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Continuous Semi Solid Casting Process for Aluminum Alloy Billets
... As shown in the lower part of Fig. 9, a mixed structure similar to that in the upper part of Fig. 9 was observed with 75 mm round billets except in the chill layer. The granular structure somewhat changed from the ...
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Flattening the Solidification Front by Varying the Wall Thickness of the Mould in Directional Solidification Technology
... tion process are similar to that of ...simulation process is as ...the solidification process by ...simulation process are shown in ...
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Computer Modelling of Manufacturing Processes: The Development of a 2D Axisymmetric Model of the Bridgman Casting Process
... The variable x is the spatial coordinate parallel to the axis and r is the radial coordinate. The term on the left hand side is the change of sensible heat per unit volume. The first and second terms on the right hand ...
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Solidification of Nano Enhanced Phase Change Materials (NEPCM) in a Trapezoidal Cavity: A CFD Study
... The solidification process of nanofluid (water + copper nanoparticles) has been studied numerically in this ...the solidification of Cu-water nanofluid inside the cavity is investigated ...
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Critical Review On Pull-In Of Aluminium In Continuous Casting
... casting process was modelled for aluminum alloy ...casting process, while 85-90 % of heat was taken out through secondary cooling by direct water injecting onto the emerging ...of solidification and ...
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Determination of the origin of anomalous eutectic structures from in-situ observation of recalescence behaviour
... Abstract. A melt encasement (fluxing) method has been used to undercool Ag-Cu alloy at its eutectic composition. The recalescence of the undercooled alloy has been filmed at high frame rate. At low undercooling lamellar ...
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NUMERICAL SIMULATION OF DROPLET IMPACT AND SOLIDIFICATION INCLUDING THERMAL SHRINKAGE IN A THERMAL SPRAY PROCESS
... A numerical study was presented on the effects of thermal shrinkage on the deposition and formation of porosity during the impact of molten tin and nickel droplets on a cold substrate. The Navier-Stokes equations were ...
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Rapid solidification morphologies in Ni3Ge: Spherulites, dendrites and dense-branched fractal structures
... The cooling rate for droplets produced during drop-tube processing is dependent principally upon the ratio of surface area to volume of the droplet. Consequently, a spray containing a wide range of particle sizes will ...
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Mechanical properties of rapidly solidified Ni5Ge3 intermetallic
... The process describe in [6] equates the radiative and convective heat flux through the droplet surface with the total heat loss to obtain the cooling ...post- solidification, ...
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Quality Improvement of Ductile Iron Casting by Thermal Analysis
... Molten metal is generally used to manufacture castings. Molten metal is poured into mould, cavities get filled with liquid metal & it takes the formation of mould cavity. Hence desired shape casting is achieved. ...
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