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Influence of the Rate of Directional Crystallization and Silicon Content on the Structure and Strength of the Al–Si–Cu Alloy
AbstractThe structure and strength of Al x Si–2 wt % Cu ( x = 15, 17, and 20 wt %) alloys obtained by directional solidification at a rate of 0.1 and...
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Effect of solidification direction on the thermodynamic parameters and dam** capacity of a CuAlBeNbNi shape memory alloy
In this study, we present a systematic investigation into the influence of solidification direction on the thermodynamic parameters and mechanical...
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Directional crystallization with a mushy region. Part 1: linear analysis of dynamic stability
In this paper, a linear analysis of dynamic stability of the directional solidification process with a two-phase region is carried out. We show the...
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Microstructural evolution in directional solidification of Nb-doped Co-Sn/Ni–Sn eutectic alloys
(Co 76 Sn 24 ) 99.5 Nb 0.5 and (Ni 81.3 Sn 18.7 ) 99.5 Nb 0.5 eutectic alloys were directionally solidified and the microstructural evolutions were investigated....
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Gradient-Stable Algorithm for the Dynamics of the Phase Field in Modeling of Directional Solidification in Si–As
AbstractThe main provisions of the phase-field method for concentrated solutions and the problems of numerical modeling of a thermodynamically...
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Directional crystallization with a mushy region. Part 2: nonlinear analysis of dynamic stability
In this paper, we develop a nonlinear theory of self-oscillatory solidification mode during directional crystallization in the presence of a...
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Analysis of gravity effects during binary alloy directional solidification by comparison of microgravity and Earth experiments with in situ observation
AbstractUnder terrestrial conditions, solidification processes are influenced to a large degree by the gravity effects such as natural convection or...
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Convection effect on solidification microstructure: dendritic arm spacing and microsegregation
Convection affect primary crystalline structure, particularly, the dendrite crystal velocity and dendrite tip radius. The present work aims on the...
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Classical Solidification Structures in Single-Step Metal Additive Manufacturing
Single-step additive manufacturing (AM) techniques, such as powder-bed fusion and directed energy deposition, paved the way for the direct...
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Phase-field study of the effects of the multi-controlling parameters on columnar dendrite during directional solidification in hexagonal materials
Abstract.The growth of hexagonal columnar dendrite during directional solidification with respect to the multi-controlling parameters such as...
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Competitive dendrite growth during directional solidification of a transparent alloy: Modeling and experiment
Abstract.A two-dimensional (2-D) cellular automaton-finite difference method (CA-FDM) model and in situ observation experiments of directional...
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Numerical Simulation of the Process of Preparation of Multisilicon by the Directional Solidification Method
AbstractA technique for numerical simulation of the process of directional solidification of multisilicon in a square crucible is considered. The...
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Trap** of Impurity in a Dilute Solution: Phase-Field Simulation of Solidification
AbstractThe process of impurity redistribution in the vicinity of diffuse interface between the liquid and solid phases has been investigated by...
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Simulation of M23C6 precipitation mechanism during solidification of Ni40A coated on phosphorus removal roll by phase field method
The inseparability of material macroscopic properties and microstructure has prompted scholars to continuously delve into microstructural studies....
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On the theory of non-stationary directional solidification with a phase transition layer
In order to get a deeper physical insight into the problem of directional solidification, which is a common feature both for the materials processing...
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Primary dendrite arm spacing and preferential orientations of the Ni–Si hypereutectic composites at different solidification rates
A hypereutectic alloy is a metallic alloy which has a composition beyond the eutectic point. As the temperature of a non-eutectic composition is...
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Designing AlCoCrFeNiTi high-entropy alloy with the directional array TiN by magnetic field-assisted laser cladding
The directional array TiN-reinforced AlCoCrFeNiTi high-entropy alloy (HEA) coatings were successfully synthesized by magnetic field-assisted laser...
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Tuning the efficiency of Random Laser Generation in a Suspension of ZnO Nanoparticles by Means of its Directional Freezing
In this paper, we introduce a novel approach to control the random lasing based on multiphoton luminiscence in Zinc oxide (ZnO) nanoparticle water...
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On the theory of directional crystallization with a two-phase region with vigorous convection
A time-dependent process of directional crystallization with a two-phase (mushy) region with allowance for vigorous convection in the liquid phase is...