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Laser-directed energy deposition of Y₂O₃ nanoparticle-reinforced GH5188 superalloy with enhanced strength
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DOI：10.1016/j.jallcom.2026.190339.png)
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Abstract
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• A series of Y₂O₃/GH5188 composites were fabricated via the LDED process. • The addition of Y₂O₃ did not compromise the alloy's printability. • The 0.15wt%-Y₂O₃/GH5188 composite achieved a simultaneous increase in strength and hardness. • The 0.15wt%-Y₂O₃/GH5188 composite retains a good part of ductility. • Y₂O₃ nanoparticles dispersed within the matrix may contribute to the strengthening through synergistic effects.
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6.3
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