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Enhanced mechanical properties and oxidation resistance in metallic yttrium through composition-controlled Al alloying
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DOI：10.1016/j.matchar.2026.116853.png)
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Abstract
En 中文
• Al-induced constitutional supercooling refines Y grains from ∼1600 to ∼90 μm. • Y-Y-1Al increases compressive strength and fracture strain by 94% and 123%. • Al additions up to 3 at.% progressively improve oxidation resistance. • -Y2Al enrichment and YAlO3 formation trigger scale cracking in Y-5Al at 900 °C. • A 1-3 at.% Al window balances mechanical and oxidation performance.
Keywords:
Yttrium-based alloy
Al alloying
Grain refinement
Mechanical property
Oxidation resistance
Journal
IF:
5.5
Papers:
1.1W
Citations:
3.4W
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