11 July 2023
Obituary—Prof. Dr. Ronald W. Armstrong
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With sadness, we regret to inform you about the passing of Prof. Dr. Ronald W. Armstrong, Editorial Board Member and Guest Editor of Crystals and Metals. We are grateful for his many contributions to the journals and the legacy his research has left in the academic world.
Prof. Dr. Ronald W. Armstrong was a Professor Emeritus at the Department of Mechanical Engineering, A. James Clark School of Engineering, University of Maryland, College Park, MD, USA. He received his Ph.D. degree from Carnegie Mellon University in 1958, and he finished his postdoctoral studies at Leeds University, UK, in 1959. His work focused on dislocation mechanics, constitutive equations, Hall–Petch relations, Zerilli–Armstrong equations, microstructural stereology, high-rate metal deformations, ductile–brittle transition behaviors, and X-ray diffraction imaging.
His work was recognized with a significant number of honors and awards:
We wish to express our deepest condolences to his family and colleagues.
Crystals and Metals Editorial Offices