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September 10, 2025MaterialsOpen Access

Effect of Zr Additions on the Microstructure and Elevated-Temperature Mechanical Properties of Al–Cu–Mg–Ag–Zn–Mn–Zr Alloys

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Authors

YFYudong FuHYHongda YanBWBin Wei

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Overview

This study shows Zr additions enhance microstructure and mechanical properties in Al–Cu–Mg alloys, indicating their potential for high-temperature use.

Key Points

  • Zr additions optimize microstructure and improve tensile strength of Al–Cu–Mg alloys.
  • The alloy with 0.16 wt.% Zr achieved peak tensile strength of 368.8 MPa at elevated temperatures.
  • Microstructural analysis highlights Zr's role in grain refinement and precipitate formation.
  • Excessive Zr may lead to uneven grain sizes and increased risk of intergranular cracking.

Cite This Study

Fu et al. (2025) studied this question.

synapsesocial.com/papers/68c1d80554b1d3bfb60fa752https://doi.org/10.3390/ma18174062
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