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How Do Atoms Move During Grain Boundary Migration?

How Do Atoms Move During Grain Boundary Migration?

How Do Atoms Move During Grain Boundary Migration?. Hao Zhang Chemical and Materials Engineering University of Alberta. Acknowledgement. Prof. David Srolovitz Yeshiva Dr. Jack Douglas NIST Dr. James Warren NIST. Grain Boundary Migration. What are Grain boundaries?

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363 views • 34 slides
Atomistic Mechanisms for Grain Boundary Migration

Atomistic Mechanisms for Grain Boundary Migration

Atomistic Mechanisms for Grain Boundary Migration ? Overview of Atomistic Simulations of Grain Boundary Migration. Hao Zhang 1 , David J. Srolovitz 1,2 1 Princeton University 2 Yeshiva University. Z. v(y). Curvature-driven Grain Boundary Migration. U-shaped half loop geometry.

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604 views • 20 slides
Characterization of Atomic Motions Governing Grain Boundary Dynamics

Characterization of Atomic Motions Governing Grain Boundary Dynamics

Characterization of Atomic Motions Governing Grain Boundary Dynamics. Hao Zhang, David J. Srolovitz Princeton University Jack F. Douglas, James A. Warren National Institute of Standards and Technology. I. III. IIa. IIb. IIc. Reminder. Types of Atomic Motions Type I

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158 views • 15 slides
Atomistic Mechanism for Grain Boundary Migration: Molecular Dynamics Studies

Atomistic Mechanism for Grain Boundary Migration: Molecular Dynamics Studies

11. 22. 33. Free Surface. 22. 11. q. I. 33. Grain 2. III. IIa. IIb. IIc. Z. Grain Boundary. X. Grain 1. Y. R. Introduction. 3-d MD Simulations of Flat Boundary Migration. Cooperative Motion. Statistical Measures. Free Surface. Boundary Plane - XY.

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184 views • 1 slides

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