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Enhancing the high-temperature strength of wire arc additively manufactured Al-Cu-Mg-Ag heat-resistant aluminum alloy through synergistic Sc and Zr microalloying
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DOI:10.1016/j.msea.2026.150873.png)
Abstract
En 中文
• Synergistic Sc/Zr microalloying refines grains and optimizes multi-precipitate system in WAAM Al alloy. • Al3(Sc, Zr) phases provide nucleation sites for θ′ phases and suppress their coarsening at high temperatures. • The alloy achieves exceptional strength: 484 MPa at RT, 347 MPa at 200 °C, and >200 MPa at 300 °C.
Journal
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IF:
7
Papers:
3.7W
Citations:
13.8W
