Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing

Yang Qi; Hu Zhang; Xu Yang; Yilong Wang; Changjun Han; Wei Fan; Jiawei Liang; Haihong Zhu

doi:10.1080/21663831.2023.2285388

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Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing

Report | 更新时间：2026-08-19

- Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing
- Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing
- 材料研究快报（英文） 2024年12卷第1期页码：17-25
- 作者机构：
  
  1. a Wuhan National Laboratory for Optoelectronics School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan
  2. b School of Mechanical and Automotive Engineering South China University of Technology
  3. c State Key Laboratory of Solidification Processing Northwestern Polytechnical University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2285388
  中图分类号：
- 网络首发：2023-11-27，
  
  纸质出版：2024
- 稿件说明：
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Yang Qi, Hu Zhang, Xu Yang, 等. Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing[J]. 材料研究快报（英文）, 2024,12(1):17-25.

Yang Qi, Hu Zhang, Xu Yang, et al. Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing[J]. Materials Research Letters, 2024, 12(1): 17-25.
Yang Qi, Hu Zhang, Xu Yang, 等. Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing[J]. 材料研究快报（英文）, 2024,12(1):17-25. DOI： 10.1080/21663831.2023.2285388.

Yang Qi, Hu Zhang, Xu Yang, et al. Achieving superior high-temperature mechanical properties in Al-Cu-Li-Sc-Zr alloy with nano-scale microstructure via laser additive manufacturing[J]. Materials Research Letters, 2024, 12(1): 17-25. DOI： 10.1080/21663831.2023.2285388.

摘要

Abstract

Traditional aluminum alloys are unsuitable for structural use above 200 ℃ due to precipitate coarsening or dissolution. Laser powder bed fusion (LPBF) additive manufacturing technique enables fabricating novel aluminum alloys with enhanced high-temperature properties. This study focuses on investigating the mechanical properties and microstructural evolution of a novel LPBF-fabricated Al-Cu-Li-Sc-Zr alloy at elevated temperatures. The microstructure is characterized by nano-scale grains and precipitates. Excellent grain structure and precipitate stability result in superior high-temperature mechanical properties. This study advances additively manufactured aluminum alloy design for potential high-temperature applications

offering valuable insights into their behavior in extreme environments.

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相关机构

a Erich Schmid Institute of Materials Science Austrian Academy of Sciences

b Institute of Materials Science Joining and Forming Graz University of Technology

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi'an People’s Republic of China

b Key Laboratory of Metal High Performance Additive Manufacturing and Innovative Design MIIT China Northwestern Polytechnical University

a National Engineering Research Center of Near-net-shape Forming for Metallic Materials South China University of Technology

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