Author

Ren-Hao Wu

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Open access Sep 2026

A 3D‐Printed SFE‐Graded Alloy Mitigates Cryogenic Discontinuous Plastic Flow and Hydrogen Embrittlement

ABSTRACT The lunar polar permanently shadowed regions, rich in water ice for hydrogen production, impose a trade‐off in FCC alloys: lowering stacking‐fault energy (SFE) enhances hydrogen embrittlement resistance but exacerbates cryogenic discontinuous plastic flow (DPF). To address this, we designed and fabricated via...

Ren-Hao Wu, Ao Geng, Pei-Hao Geng et al. · Advancement of science · 0 citations

Open access Sep 2026

Co-design of grain heterogeneity and precipitate hierarchy for strength-ductility-conductivity synergy in a conductive Cu alloy

In this work, a coupled multiscale microstructural design strategy was developed for a Cu-5Ni-0.7Si-0.4Al alloy by integrating partial recrystallization-induced grain heterogeneity with hierarchical precipitation. Partial recrystallization produced heterogeneous grains spanning the micrometer to submicrometer scale, wh...

Yi-Jie Ban, Qing-Feng Wu, Shi-Woo Lee et al. · Materials Research Letters · 0 citations