directional solidification
Cu Phase Crystal with the Single Orientation Under Directional Solidification
... respectively. The L-shaped pattern and rectangular pattern could be observed in Figure 6(b) and (e), respectively. From the pole figure, it is easy to deduced that both for 4 mm and 0.45 mm samples, the application of ...
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Simulation of microstructural evolution in directional solidification of Ti-45at.%Al alloy using cellular automaton method
... for directional solidification from fixed numbers of seeds of 4 and the preferred growth direction of all the seeds <10> were perfectly aligned with the ...
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Numerical simulation on directional solidification of Al-Ni-Co alloy based on FEM
... 1.3 Material’s parameters and boundary conditions The model’s parameters include thermal conductivity, density, speciic heat, enthalpy value, etc. Thermal conductivity, speciic heat and enthalpy are non-linear functions ...
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Microstructural evolution and mechanical properties of Sn-Bi-Cu ternary eutectic alloy produced by directional solidification
... increased solidification rate, that may contribute to a ...during directional solidification may result in a radial temperature gradient, which leads to some Cu 3 Sn fibers do not grow along with the ...
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Directional solidification of metal-gas eutectic and fabrication of regular porous metals
... Abstract: Directional solidification of metal-gas eutectic (Gasar) is a novel process for making regular porous metals. This process is based on a solid-gas eutectic reaction involving a gaseous medium and ...
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Effect of power parameter and induction coil on magnetic field in cold crucible during continuous melting and directional solidification
... Abstract: Bottomless electromagnetic cold crucible is a new apparatus for continuous melting and directional solidiication; however, improving its power eficiency and optimizing the coniguration are important for ...
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Matéria (Rio J.) vol.21 número1
... in solidification experiments is schematized in Figure 1. The directional solidification device was designed to permit heat extraction only through the water-cooled system placed in the lateral mold ...
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Length Scale of the Dendritic Array Tailoring Strength of a 5052 Aluminum Alloy
... The present research aims to characterize 5xxx alloy series, considering chemistries based on the commercial 5052 alloy with three Mg contents (2.4wt.%, 2.6wt.% and 3.2wt.%) through transient directional ...
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Eutectic solidification as explained by the thermodynamics of irreversible processes
... The growth rate is taken into account due to analysis of the micro-field of solute concentration ahead of the solid / liquid interface, while -component of temperature gradient due to a model of heat balance worked out ...
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Relationship Between Aluminum-RichIntermetallic Phases and Microhardness of a Horizontally Solidified AlSiMgFe Alloy
... the solidification, several aspects of physical nature related to the formation of the macrostructure and microstructure of products obtained by casting still need to be effectively understood, especially with ...
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Mat. Res. vol.13 número4
... during solidification has been implemented and the coupling between the microscopic and the macroscopic submodels has been ...The directional solidification of an Al-7 ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.33 número2
... the solidification process, the calculation of dendritic growth is carried through with a computational domain sufficiently small for the phase field and thermal ...
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J. Braz. Chem. Soc. vol.26 número10
... A simple and practical pre-concentration method, dispersive liquid-liquid microextraction based on solidification of a floating organic drop (DLLME-SFO) technique, was proposed for the determination of ...
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An Experimental Study of the Solidification Thermal Parameters Influence upon Microstructure and Mechanical Properties of Al-Si-Cu Alloys
... Figure 7 shows the macrograph of an as-cast ingot evidencing the columnar structure obtained in the solidification. This structure is located from the heat exchange surface to a distance of 70 mm. In this ...
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Meta-stable Solidification Created by the Detonation Method of Coating Formation
... Therefore, solidification of the melted part of particles was ...expected. Solidification differed significantly due to a large range of chemical composition of applied particles (from 15 ...
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Polyether Based Thermoplastic Polyurethane Melt Blown Nonwovens
... their solidification on the forming belt, much less solidification occurs in the ...much solidification has occurred prior to web formation little or no adhesion develops between the fibers on the ...
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Solidification microstructure of M2 high speed steel by different casting technologies
... The present work investigated the solidification microstructure of M2 high speed steel manufactured by iron mould casting and continuous casting, respectively. Due to the higher cooling rate by continuous casting, ...
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Rev. Esc. Minas vol.67 número2
... all destined for vertical upward directional solidiication. In this case the inluence of the convection is minimized when the solute is rejected for to the interdendritic regions, providing the formation of an ...
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Design of an Omni-directional Spherical Robot: Using Fuzzy Control
... Abstract - In this study, an omni-directional spherical mobile robot is implemented. The key feature of this robot is it can move directly in any direction with no constraint. In order to control such a spherical ...
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