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Gregory S. Rohrer

Carnegie Mellon University - Department of Materials Science and Engineering

Pittsburgh, PA 15213-3890

United States

SCHOLARLY PAPERS

11

DOWNLOADS

759

TOTAL CITATIONS

7

Scholarly Papers (11)

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1.

Comparing Molecular Dynamics Simulations of Grain Growth with Experimental Data

Number of pages: 11 Posted: 14 May 2024
Meizhong Lyu, Zipeng Xu, Gregory S. Rohrer and Elizabeth A. Holm
University of Michigan at Ann Arbor, Carnegie Mellon University, Carnegie Mellon University - Department of Materials Science and Engineering and Carnegie Mellon University - Department of Materials Science and Engineering
Downloads 118 (604,538)

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molecular dynamics (MD), grain growth, nickel, Grain boundaries

2.

Universal Function for Grain Boundary Energies in Bcc Metals

Number of pages: 15 Posted: 28 Jul 2023
Ooraphan Chirayutthanasak, Rajchawit Sarochawikasit, Sahachat Khongpia, Taira Okita, Somsak Dangtip, Gregory S. Rohrer and Sutatch Ratanaphan
King Mongkut's University of Technology- Nanoscience and Nanotechnology Graduate Program, King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering, King Mongkut's University of Technology, University of Tokyo, Thailand Institute of Nuclear Technology, Carnegie Mellon University - Department of Materials Science and Engineering and King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering
Downloads 112 (630,858)

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Grain boundary energy, Anisotropy, Misorientation, Structure

3.

Anisotropic Grain Boundary Area and Energy Distributions in Tungsten

Number of pages: 10 Posted: 28 May 2021
Ooraphan Chirayutthanasak, Rajchawit Sarochawikasit, Apiwat Wisitsorasak, Nopporn Rujisamphan, Timofey Frolov, Tomas Oppelstrup, Somsak Dangtip, Gregory S. Rohrer and Sutatch Ratanaphan
King Mongkut's University of Technology- Nanoscience and Nanotechnology Graduate Program, King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering, King Mongkut’s University of Technology- Department of Physics, King Mongkut's University of Technology- Nanoscience and Nanotechnology Graduate Program, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Thailand Institute of Nuclear Technology, Carnegie Mellon University - Department of Materials Science and Engineering and King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering
Downloads 106 (659,652)
Citation 2

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4.

Grain Boundary Energy Function for α Iron

Number of pages: 19 Posted: 27 May 2021
Rajchawit Sarochawikasit, Cong Wang, Poom Kumam, Hossein Beladi, Taira Okita, Gregory S. Rohrer and Sutatch Ratanaphan
King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering, Northeastern University - Department of Metallurgical Engineering, King Mongkut’s University of Technology (KMUTT) - Center of Excellence in Theoretical and Computational Science Center (TaCS-CoE), Deakin University - Institute for Frontier Materials, University of Tokyo - Center for Engineering, Research Into Artifacts, Carnegie Mellon University - Department of Materials Science and Engineering and King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering
Downloads 79 (809,932)
Citation 4

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Grain boundary energy; Misorientation; Atomistic simulations; bcc metals

5.

Observations of Unexpected Grain Boundary Migration in SrTiO 3

Number of pages: 17 Posted: 23 Jul 2022
Vivekanand Muralikrishnan, He Liu, Lin Yang, Bryan Conry, Christopher Marvel, Martin Harmer, Gregory S. Rohrer, Michael Tonks, Robert Suter, Carl Krill and Amanda Krause
University of Florida, Carnegie Mellon University, University of Florida, University of Florida, Lehigh University, Lehigh University, Carnegie Mellon University - Department of Materials Science and Engineering, University of Florida, Carnegie Mellon University, Ulm University and University of Florida
Downloads 78 (816,709)
Citation 1

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high energy x-ray diffraction microscopy, grain growth, perovskite, microstructure

6.

Relative Grain Boundary Energies from Triple Junction Geometry: Limitations to Assuming the Herring Condition in Nanocrystalline Thin Films

Number of pages: 35 Posted: 14 Jul 2022
Matthew J. Patrick, Gregory S. Rohrer, Ooraphan Chirayutthanasak, Sutatch Ratanaphan, Eric R. Homer, Gus L. W. Hart, Yekaterina Epshteyn and Katayun Barmak
Columbia University, Carnegie Mellon University - Department of Materials Science and Engineering, King Mongkut's University of Technology- Nanoscience and Nanotechnology Graduate Program, King Mongkut’s University of Technology (KMUTT) - Department of Computer Engineering, Brigham Young University, Brigham Young University, University of Utah - Department of Mathematics and Columbia University - Department of Applied Physics and Applied Mathematics
Downloads 66 (907,769)

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Grain boundary junctions, Grain boundary plane, Precession electron diffraction (PED), Crystallographic misorientations, Transmission electron microscopy (TEM)

7.

The Inter-Connections of ∑3 and ∑9 Boundaries and Their Evolution During Grain Growth in Grain Boundary Engineered High Purity Copper

Number of pages: 9 Posted: 21 May 2022
Song Chen, Shuai Ren, Weiguo Wang, Gregory S. Rohrer, Xinfu Gu, Gang Xu, Lihua Hong, Yan Lin, Zongpu Wang and Xiaozheng Feng
Fujian University of Technology, Fujian University of Technology, Fujian University of Technology - Institute of GB Engineering, Carnegie Mellon University - Department of Materials Science and Engineering, University of Science and Technology Beijing, Fujian University of Technology, Fujian University of Technology, Fujian University of Technology, Fujian University of Technology and Fujian University of Technology
Downloads 49 (1,074,648)

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pure copper, ∑3 boundary, ∑9 boundary, grain boundary inter-connection, grain growth

8.

Can the Grain Boundary Stiffness Driving Force Explain Observed Grain Boundary Migration Rates in Polycrystals?

Number of pages: 15 Posted: 18 Sep 2025
Zipeng Xu, Fadi Abdeljawad and Gregory S. Rohrer
Carnegie Mellon University, Lehigh University and Carnegie Mellon University - Department of Materials Science and Engineering
Downloads 42 (1,157,785)

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Grain boundary, grain growth, grain boundary stiffness, grain boundary migration

9.

Dynamic Sampling of Images Based on Neighborhood Variance

Number of pages: 22 Posted: 03 Aug 2023
Zachary Varley, Gregory S. Rohrer and Marc De Graef
Carnegie Mellon University, Carnegie Mellon University - Department of Materials Science and Engineering and Carnegie Mellon University - Department of Materials Science and Engineering
Downloads 40 (1,183,237)

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image sampling, variance, electron microscopy, image scanning

10.

A Reversible Solvent Segregation Transition at Grain Boundaries in Gold-Platinum Alloys

Number of pages: 17 Posted: 21 May 2025
Sebastian Calderon, Wen-Yu Chen, Md Shariful Islam, Sai S. Tripathy, Maarten P. de Boer, Elizabeth C. Dickey and Gregory S. Rohrer
Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University - Department of Materials Science and Engineering and Carnegie Mellon University - Department of Materials Science and Engineering
Downloads 35 (1,249,711)

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Grain boundaries, Segregation, Au alloys, Complexions

11.

The Triple Junction Line Orientation Distribution in Polycrystals

Number of pages: 14 Posted: 23 Sep 2025
Eileen L. Hung, Zipeng Xu and Gregory S. Rohrer
Carnegie Mellon University, Carnegie Mellon University and Carnegie Mellon University - Department of Materials Science and Engineering
Downloads 34 (1,263,436)

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grain boundary, triple line, microstructure