Anisotropic solid–liquid interfacial energy measurement by grain boundary groove method

Wang, Lilin; Lin, Xin; Huang, Weidong

doi:10.1016/j.jcrysgro.2014.08.017

Cited by 10 publications

(5 citation statements)

References 36 publications

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“…[29] Here, the timetemperature curves are recorded by a Yokogawa LR 4110 temperature recorder. The temperature of the recorder is calibrated by a standard platinum resistance thermometer with an uncertainty of ±0.1 • C. [25,30] The suspensions are placed into a 1-ml hydrophobic plastic tube in which inserted is the probe of the temperature recorder. The hydrophobic plastic tube can inhibit heterogeneous nucleation of ice on its surface.…”

Section: Results and Analysesmentioning

confidence: 99%

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Can secondary nucleation exist in ice banding of freezing colloidal suspensions?

You

Wang

et al. 2016

Chinese Phys. B

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The formation mechanism of ice banding in the system of freezing colloidal suspensions, which is of significance in frost heaving, ice-templating porous materials and biological materials, still remains a mystery. Recently, the theory of secondary nucleation and growth of ice has been proposed to explain the emergence of a new ice lens. However, this theory has not been quantitatively examined. Here, we quantitatively measured the initial interfacial undercooling of a new ice lens and the nucleation undercoolings of suspensions. We found that the interfacial undercooling can not satisfy the nucleation undercooling of ice and hence disprove the secondary nucleation mechanism for ice banding.

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Section: Results and Analysesmentioning

confidence: 99%

“…Here, the time-temperature curves were recorded by a Yokogawa LR 4110 temperature recorder. The temperature of the recorder was calibrated by a standard platinum resistance thermometer with an uncertainty of ±0.1 0 C [24,29]. The suspensions were put into a hydrophobic plastic tube of 1 ml together with the probe of the temperature recorder.…”

Section: / 12mentioning

confidence: 99%

Can secondary nucleation exist in ice banding of freezing colloidal suspensions?

You

Wang

et al. 2016

Chinese Phys. B

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“…The Bridgman freezing setup and experimental procedure have been described in Ref. [16,17]. In the setup, the thermal gradient is produced by two heating and cooling zones separated by a gap.…”

Section: Experimental Methodsmentioning

confidence: 99%

Speed-dependent ice bandings in freezing colloidal suspensions

You

Wang

et al. 2018

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Formation mechanism of speed-dependent ice bandings in freezing colloidal suspensions, of significance in frost heaving and materials science, remains a mystery. With quantitative experiments, we propose a possible mechanism of speed-dependent ice bandings by focusing on the particle packing density and dynamic interface undercooling. The particle packing density ahead of the freezing interface decreases with increasing pulling speeds, attributed to the speed-dependent packing of particles. Through affecting the curvature undercooling of pore ices, the speed-dependent packing of particles can be used to explain speed-dependent thicknesses of ice bandings. The dynamic interface undercooling was obtained to explore curvature undercooling of pore ices and quantitative details of transient interface positions, speeds and undercooling were given. All the evidences imply that the speed-dependent particle packing and dynamic interface undercooling are responsible for speed-dependent ice bandings. (Xin Lin) 2 / 16 direction of the thermal gradient. These perpendicular segregated patterns are of great importance due to their effects on the dynamics of frost heaving [10-12] and mechanical properties of freeze casting porous materials [3,13].Recently, Anderson et al.[9] discovered pulling-speed-dependent ice bandings

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“…It was reported that the original dihedral angle measurement method could not accurately determine the anisotropy of the solid-liquid interfacial energy, but recent improvements in measurement methods have made it possible to measure the solid-liquid interfacial energy with anisotropy taken into account. 64,65) Substantial efforts have continued to be made to experimentally measure solid-liquid interfacial energy. However, due to the challenges in achieving high-precision measurements at high temperatures, there have been limitations in reporting experimental values for solid-liquid interfacial energy.…”

Section: Derivation Of Solid-liquid Interfacial Properties 1 Overviewmentioning

confidence: 99%

Molecular Dynamics of Solidification

Shibuta

2024

ISIJ Int.

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Over many years, mesoscale analysis such as the phase-field method has been the mainstream for numerical simulation of solidification. In contrast, our group has taken the initiative in applying molecular dynamics (MD) simulation to various problems in solidification. In this review, recent advances and contributions of MD simulations for solidification are presented. The primary contribution of MD simulation is the derivation of solid-liquid interfacial properties since it is not easy to measure these properties experimentally with high precision. In addition, recent significant progress in computational environments has dramatically expanded the possibilities of MD simulations for solidification. Now, MD simulations with a scale of billion atoms at the micrometerscale have become a reality, enabling the exploration of analyses previously dominated by mesoscale methods, such as grain growth and dendrite growth. In particular, the dendrite growth at the micrometer-scale presented here represents the first achievement of directly simulating a typical four-fold symmetrical dendrite structure solely through atomic-scale simulations, to the best of the author's knowledge. Moreover, new attempts at the fusion of data-driven methods and MD simulations are presented in this review, aiming to contribute to the rapid development of the field of solidification in the future.

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Anisotropic solid–liquid interfacial energy measurement by grain boundary groove method

Cited by 10 publications

References 36 publications

Can secondary nucleation exist in ice banding of freezing colloidal suspensions?

Can secondary nucleation exist in ice banding of freezing colloidal suspensions?

Speed-dependent ice bandings in freezing colloidal suspensions

Molecular Dynamics of Solidification

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