{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Chung H"],"funding":["ISTK | Korea Institute of Materials Science (KIMS)","National Research Foundation of Korea (NRF)","National Research Foundation of Korea","ISTK | Korea Institute of Materials Science"],"pagination":["145"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9832006"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(1)"],"pubmed_abstract":["Demands for ultrahigh strength in structural materials have been steadily increasing in response to environmental issues. Maraging alloys offer a high tensile strength and fracture toughness through a reduction of lattice defects and formation of intermetallic precipitates. The semi-coherent precipitates are crucial for exhibiting ultrahigh strength; however, they still result in limited work hardening and uniform ductility. Here, we demonstrate a strategy involving deformable semi-coherent precipitates and their dynamic phase transformation based on a narrow stability gap between two kinds of ordered phases. In a model medium-entropy alloy, the matrix precipitate acts as a dislocation barrier and also dislocation glide media; the grain-boundary precipitate further contributes to a significant work-hardening via dynamic precipitate transformation into the type of matrix precipitate. This combination results in a twofold enhancement of strength and uniform ductility, thus suggesting a promising alloy design concept for enhanced mechanical properties in developing various ultrastrong metallic materials."],"journal":["Nature communications"],"pubmed_title":["Doubled strength and ductility via maraging effect and dynamic precipitate transformation in ultrastrong medium-entropy alloy."],"pmcid":["PMC9832006"],"funding_grant_id":["NRF−2020R1A5A6017701","NRF-2019M3D1A1079214","NRF−2020R1C1C1003554","NRF-2020R1A5A6017701","NRF-2020R1C1C1003554","NRF-2022R1A5A1030054","PNK8730"],"pubmed_authors":["Do HS","Lee BJ","Jun H","Choi PP","Sohn SS","Han HN","Choi WS","Ko WS","Chung H"],"additional_accession":[]},"is_claimable":false,"name":"Doubled strength and ductility via maraging effect and dynamic precipitate transformation in ultrastrong medium-entropy alloy.","description":"Demands for ultrahigh strength in structural materials have been steadily increasing in response to environmental issues. Maraging alloys offer a high tensile strength and fracture toughness through a reduction of lattice defects and formation of intermetallic precipitates. The semi-coherent precipitates are crucial for exhibiting ultrahigh strength; however, they still result in limited work hardening and uniform ductility. Here, we demonstrate a strategy involving deformable semi-coherent precipitates and their dynamic phase transformation based on a narrow stability gap between two kinds of ordered phases. In a model medium-entropy alloy, the matrix precipitate acts as a dislocation barrier and also dislocation glide media; the grain-boundary precipitate further contributes to a significant work-hardening via dynamic precipitate transformation into the type of matrix precipitate. This combination results in a twofold enhancement of strength and uniform ductility, thus suggesting a promising alloy design concept for enhanced mechanical properties in developing various ultrastrong metallic materials.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2026-03-17T15:46:09.999Z","creation":"2025-04-19T23:09:02.905Z"},"accession":"S-EPMC9832006","cross_references":{"pubmed":["36627295"],"doi":["10.1038/s41467-023-35863-z"]}}