Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design

Chao Ding; Gang Niu; Zhihui Zhang; Enmao Wang; Xinpan Yu; Huibin Wu

doi:10.1080/21663831.2024.2394575

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Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design

Original report | 更新时间：2026-08-19

- Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design
- Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design
- 材料研究快报（英文） 2024年12卷第11期页码：843-851
- 作者机构：
  
  1. a Collaborative Innovation Center of Steel Technology University of Science and Technology Beijing
  2. a Collaborative Innovation Center of Steel Technology University of Science and Technology Beijing Beijing People’s Republic of China
  3. b Yangjiang Brach Guangdong Laboratory for Materials Science and Technology (Yangjiang Advanced Alloys Laboratory)
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2024.2394575
  中图分类号：
- 网络首发：2024-08-26，
  
  纸质出版：2024
- 稿件说明：
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Chao Ding, Gang Niu, Zhihui Zhang, 等. Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design[J]. 材料研究快报（英文）, 2024,12(11):843-851.

Chao Ding, Gang Niu, Zhihui Zhang, et al. Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design[J]. Materials Research Letters, 2024, 12(11): 843-851.
Chao Ding, Gang Niu, Zhihui Zhang, 等. Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design[J]. 材料研究快报（英文）, 2024,12(11):843-851. DOI： 10.1080/21663831.2024.2394575.

Chao Ding, Gang Niu, Zhihui Zhang, et al. Enhancing strength and ductility in heterolamellar medium-Mn steel through bamboo-like microstructure design[J]. Materials Research Letters, 2024, 12(11): 843-851. DOI： 10.1080/21663831.2024.2394575.

摘要

Abstract

Nature has long inspired technological innovations

fostering the rapidly developing field of bionics. Inspired by the microstructure of bamboo

we have developed a bamboo-like structure for steel. This novel steel achieves a tensile strength exceeding 1200 MPa and a uniform elongation nearing 68%

resulting in a product of strength and uniform elongation up to 83 GPa·%. The high strength of the steel is primarily attributed to its ultra-fine lamellar grains. Additionally

the graded occurrence of multiple deformation mechanisms collectively maintains its exceptional work-hardening capability. This study presents a new approach to enhancing the performance of medium-Mn steels.

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相关机构

a State Key Laboratory of Automotive Simulation and Control Jilin University Changchun People’s Republic of China

b Key Laboratory of Automobile Materials of Ministry of Education & School of Materials Science and Engineering Jilin University

c College of Materials and Chemistry China Jiliang University

a State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University

b Shanghai Key Laboratory of Spacecraft Mechanism Aerospace System Engineering Shanghai

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