Jun Ding

Jan 1, 2025 | mdpi.com | Jun Ding

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May 15, 2024 | nature.com | Xiaoxing Ke |Jun Ding |Lin Gu |Qinghua Zhang |Gang Liu

AbstractMolybdenum and its alloys are known for their superior strength among body-centered cubic materials. However, their widespread application is hindered by a significant decrease in ductility at lower temperatures. In this study, we demonstrate the achievement of exceptional ductility in a Mo alloy containing rare-earth La2O3 nanoparticles through rotary-swaging, a rarity in Mo-based materials.

Feb 16, 2024 | nature.com | Sheng Yin |Qin Yu |Jun Ding |Colin Ophus |Mark Asta |Robert Ritchie

AbstractHigh or medium- entropy alloys (HEAs/MEAs) are multi-principal element alloys with equal atomic elemental composition, some of which have shown record-breaking mechanical performance. However, the link between short-range order (SRO) and the exceptional mechanical properties of these alloys has remained elusive.

Dec 20, 2023 | nature.com | Saman Moniri |Yao Yang |Jun Ding |Long Yang |Liangbing Hu |Peter Ercius

AbstractMedium- and high-entropy alloys (M/HEAs) mix several principal elements with near-equiatomic composition and represent a model-shift strategy for designing previously unknown materials in metallurgy1,2,3,4,5,6,7,8, catalysis9,10,11,12,13,14 and other fields15,16,17,18. One of the core hypotheses of M/HEAs is lattice distortion5,19,20, which has been investigated by different numerical and experimental techniques21,22,23,24,25,26.

Sep 14, 2023 | nature.com | Jun Ding |Lihua Wang

AbstractNanosized metals usually exhibit ultrahigh strength but suffer from low homogeneous plasticity. The origin of a strength–ductility trade-off has been well studied for pure metals, but not for random solid solution (RSS) alloys. How RSS alloys accommodate plasticity and whether they can achieve synergy between high strength and superplasticity has remained unresolved.