Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy

Pengming Cheng; Shenghua Wu; Peng Zhang; Jie Kuang; Hui Wang; Gang Liu; Jun Sun

doi:10.1080/21663831.2022.2121184

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Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy

Original Reports | 更新时间：2026-08-19

- Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy
- Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy
- 材料研究快报（英文） 2023年11卷第1期页码：90-98
- 作者机构：
  
  1. a State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University
  2. b School of Mechanical Engineering Chengdu University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2121184
  中图分类号：
- 网络首发：2022-09-22，
  
  纸质出版：2023
- 稿件说明：
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Pengming Cheng, Shenghua Wu, Peng Zhang, 等. Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy[J]. 材料研究快报（英文）, 2023,11(1):90-98.

Pengming Cheng, Shenghua Wu, Peng Zhang, et al. Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy[J]. Materials Research Letters, 2023, 11(1): 90-98.
Pengming Cheng, Shenghua Wu, Peng Zhang, 等. Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy[J]. 材料研究快报（英文）, 2023,11(1):90-98. DOI： 10.1080/21663831.2022.2121184.

Pengming Cheng, Shenghua Wu, Peng Zhang, et al. Ductilizing Mo alloys via nanoparticle-stabilized microstructural hierarchy[J]. Materials Research Letters, 2023, 11(1): 90-98. DOI： 10.1080/21663831.2022.2121184.

摘要

Abstract

Swaged Mo-

alloys (

= 0

0.3

and 0.6 wt.%) were subjected to different annealing temperatures (

)

in order to demonstrate the

-sensitive La

effect on microstructural evolution and tensile ductility. Although coarse La

particles were detrimental to ductility

nanosized La

particles were found to increase the ductility by highly stabilizing the deformation-induced hierarchical microstructures of lamellar elongated grains with low-angle grain boundaries inside. A competition between the two opposite effects derived from the La

addition led to an unexpected

-dependence of ductility upon different

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相关机构

a State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing

b Institute of Materials Research Beijing Beiye Advanced Materials Co. Ltd

a School of Materials Science and Engineering Tianjin University

a School of Materials Science and Engineering Tianjin University Tianjin People’s Republic of China

b State Key Laboratory of Precious Metal Functional Materials Tianjin University

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