Manipulating the ordered oxygen complexes to achieve high strength and ductility in medium-entropy alloys

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成果类型：

期刊论文

作者：

Jiao, Meiyuan;Lei, Zhifeng;Wu, Yuan*;Du, Jinlong;Zhou, Xiao-Ye;...

通讯作者：

Wu, Yuan;Lu, ZP;Lei, ZF

作者机构：

[Wang, Shudao; Jiang, Suihe; Wang, Hui; Zhu, Huihui; Jiao, Meiyuan; Li, Wenyue; Yuan, Xiaoyuan; Liu, Xiongjun; Zhang, Xiaobin; Lu, Zhaoping; Wu, Yuan; Cao, Peipei] Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China.

[Lei, ZF; Lei, Zhifeng] Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Peoples R China.

[Du, Jinlong] Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China.

[Zhou, Xiao-Ye] Shenzhen Univ, Sch Civil Engn, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China.

[Liu, Xiaochun] Changsha Univ Sci & Technol, Inst Met, Coll Mat Sci & Engn, Changsha 410114, Peoples R China.

通讯机构：

[Lu, ZP ; Wu, Y] U

[Lei, ZF ] H

Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China.

Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Peoples R China.

语种：

英文

期刊：

Nature Communications

ISSN：

2041-1723

年：

2023

卷：

期：

页码：

806

DOI：

10.1038/s41467-023-36319-0

基金类别：

National Natural Science Foundation of China [11790293, 51871016, 51671021, 51971018, 52101194]; Joint Research Program of NSFC [U20B2025]; Funds for Creative Research Groups of China [51921001]; 111 Project [BP0719004]; Program for Changjiang Scholars and Innovative Research Team in University of China [IRT_14R05]; Fundamental Research Funds for the Central Universities [531118010621]; Fundamental Research Funds for the Central Universities of China [FRF-TP-18-004C1, FRF-BD-19-002B, FRF-MP-20-43Z]

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

Oxygen solute strengthening is an effective strategy to harden alloys, yet, it often deteriorates the ductility. Ordered oxygen complexes (OOCs), a state between random interstitials and oxides, can simultaneously enhance strength and ductility in high-entropy alloys. However, whether this particular strengthening mechanism holds in other alloys and how these OOCs are tailored remain unclear. Herein, we demonstrate that OOCs can be obtained in bcc (body-centered-cubic) Ti-Zr-Nb medium-entropy alloys via adjusting the content of Nb and oxygen. D...

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Manipulating the ordered oxygen complexes to achieve high strength and ductility in medium-entropy alloys

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