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Crystal Growth: Principles of Crystallization01:25

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Updated: May 9, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

Unified theoretical framework for polycrystalline pattern evolution.

Ari Adland1, Yechuan Xu, Alain Karma

  • 1Physics Department and Center for Interdisciplinary Research on Complex Systems, Northeastern University, Boston, Massachusetts 02115, USA.

Physical Review Letters
|July 16, 2013
PubMed
Summary
This summary is machine-generated.

Grain growth in materials slows due to bulk dissipation, not just interface limits. Thermal noise can reduce this bulk effect, speeding up coarsening in certain conditions.

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Last Updated: May 9, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

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Published on: June 7, 2018

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Growing Protein Crystals with Distinct Dimensions Using Automated Crystallization Coupled with In Situ Dynamic Light Scattering
09:15

Growing Protein Crystals with Distinct Dimensions Using Automated Crystallization Coupled with In Situ Dynamic Light Scattering

Published on: August 14, 2018

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Statistical Mechanics

Background:

  • Curvature-driven grain growth in polycrystalline materials is typically limited by interface dissipation.
  • Understanding the factors controlling grain coarsening is crucial for materials development.

Purpose of the Study:

  • To investigate the mechanisms limiting grain growth in systems forming modulated phases or nonequilibrium patterns.
  • To analyze the role of bulk dissipation and thermal noise in polycrystalline pattern evolution.

Main Methods:

  • Analytical modeling of grain growth dynamics.
  • Computational simulations of polycrystalline systems.
  • Investigation of lattice translation and dislocation motion.

Main Results:

  • Identified bulk dissipation, linked to lattice translation, as a primary limiter of grain coarsening in specific systems.
  • Demonstrated that thermal noise reduces bulk dissipation, accelerating coarsening.
  • Showed that high Peierls-Nabarro barriers and noise lead to interface-dominated coarsening.

Conclusions:

  • Developed a unified theoretical framework for polycrystalline pattern evolution.
  • The findings offer insights into controlling grain size and microstructure in diverse materials.
  • This work bridges understanding across various length and time scales in materials science.