{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhang C"],"funding":["Fundamental Research Funds for the Central Universities","111 project of China","Shaanxi Province Innovation Team Project","National Natural Science Foundation of China"],"pagination":["e02349"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12376552"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(30)"],"pubmed_abstract":["Duplex (α+β) Ti alloys often manifest limited uniform elongation (ε<sub>u</sub>) mainly originating from the lack of <c+a> dislocations for insufficient work hardening capability and semi-coherent α/β interfaces for strain incompatibility. The strength-ductility trade-off of duplex Ti alloys is further amplified by interstitial atoms-poisoning effects (e.g., N and O). Here, by selecting N atoms with the strongest hardening ability in Ti alloys, a counterintuitive strategy is proposed that harnesses bifunctional N-dislocation interactions in a model duplex Ti-Cr-Zr-Al alloy to construct a heterogeneous lamella structure, involving the elongated α<sub>p</sub> grains decorated with N-rich low-angle grain boundaries (LAGBs) and densely coherent interstitial-N α'-nanotwinned martensites in β-gr"],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Harnessing Bifunctional Nitrogen-Dislocation Interactions for a Record Ultra-Strong-and-Ductile Duplex Titanium Alloy."],"pmcid":["PMC12376552"],"funding_grant_id":["2024RS-CXTD-58","92360301","52441407","xtr062024006","U2330203","92163201","52431006","523B2004","U23A6013"],"pubmed_authors":["Li X","Li S","Zhang J","Zhang C","Sun J","Liu G"],"additional_accession":[]},"is_claimable":false,"name":"Harnessing Bifunctional Nitrogen-Dislocation Interactions for a Record Ultra-Strong-and-Ductile Duplex Titanium Alloy.","description":"Duplex (α+β) Ti alloys often manifest limited uniform elongation (ε<sub>u</sub>) mainly originating from the lack of <c+a> dislocations for insufficient work hardening capability and semi-coherent α/β interfaces for strain incompatibility. The strength-ductility trade-off of duplex Ti alloys is further amplified by interstitial atoms-poisoning effects (e.g., N and O). Here, by selecting N atoms with the strongest hardening ability in Ti alloys, a counterintuitive strategy is proposed that harnesses bifunctional N-dislocation interactions in a model duplex Ti-Cr-Zr-Al alloy to construct a heterogeneous lamella structure, involving the elongated α<sub>p</sub> grains decorated with N-rich low-angle grain boundaries (LAGBs) and densely coherent interstitial-N α'-nanotwinned martensites in β-gr","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-05-09T17:51:30.953Z","creation":"2026-04-08T01:07:02.671Z"},"accession":"S-EPMC12376552","cross_references":{"pubmed":["40536733"],"doi":["10.1002/advs.202502349"]}}