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Dissimilar laser welding of high-entropy alloys: A systematic review of microstructure and mechanical performance
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DOI：10.1016/j.mtadv.2026.100892.png)
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Abstract
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• Thermophysical mismatch causes heterogeneous structures in dissimilar HEA welds. • Strength–ductility synergy constrained in dissimilar HEA joints. • Narrower HAZs in base metals under steeper thermal gradients. • Intensified brittle fracture in HEA/steel joints with coarse columnar grains. • Weld performance governed by the porosity–segregation trade-off.
Keywords:
High-entropy alloys
Laser welding
Dissimilar joints
Microstructure
HAZ
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