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February 16, 2026Open Access

Welding of Advanced Aluminum–Lithium Alloys: Weldability, Processing Technologies, and Grain Structure Control

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Authors

QLQi LiQWQiman WangYXYangyang Xu

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Overview

Review highlights grain refinement strategies and weldability of aluminum–lithium alloys, suggesting improved welding practices.

Key Points

  • This review examines the welding challenges and microstructural control in aluminum–lithium alloys.
  • Overview of weldability and processing technologies in Al-Li alloys
  • Comparison of major welding processes including laser, arc, and hybrid techniques
  • Examination of microstructural formation mechanisms like equiaxed grain zones and columnar grains
  • Analysis of strategies for microstructural control such as heterogeneous nucleation and dendrite fragmentation
  • Highlights the unique microstructural features affecting mechanical performance
  • Identifies effective grain refinement strategies for improved weld quality
  • Discusses the advantages and limitations of various welding processes

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69926552eb1f82dc367a1388https://doi.org/10.3390/ma19040738
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