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Alexander Knowles

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Articles

Accelerated discovery of Cr-based A2+B2 superalloys across 11 elements with a deep-learning CALPHAD surrogate

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By Kan Ma, Alexander Knowles, Anssi Laukkanen, Tatu Pinomaa, Mikko Tahkola, Lassi Linnala, Simon Savukoski, Vincent Gagneur, Joni Kaipainen
| Nature Verified
Abstract Chromium is an attractive platform for next-generation refractory alloys, but its practical use is limited by room-temperature brittleness. Here, we present a multi-criteria discovery workflow for Cr-based A2+B2 superalloys.
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Decoding the interstitial/vacancy nature of dislocation loops with their morphological fingerprints in face-centered cubic structure

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By Sanghun Lee, Long Guo, Adrian Sanz-Moreno, Colin Ophus, Karishma D'Sa, Alexander Knowles, Kan Ma, Lumin Wang, Olivier Tissot, Frédéric Prima, Fei Gao, Huiqiu Deng, Antoine Dartois, Estelle Meslin, Brigitte Décamps, Anna Fraczkiewicz, Marie Loyer-Prost
| Science Magazine Verified
Research Article MATERIALS SCIENCE INTRODUCTION Radiation damage in structural materials inevitably leads to substantial deterioration in both the structural integrity and material performance, including macroscopic void swelling, radiation-induced hardening, and embrittlement (1–3).
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