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Spatial heterostructure engineering and enhanced mechanical isotropy in hybrid additive manufacturing of high-strength aluminum alloys via different cyclic interlayer friction stir processing strategies
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K
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DOI：10.1016/j.ijmachtools.2026.104389.png)
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Abstract
En 中文
• A hybrid fusion-solid-state additive manufacturing was established for microstructural tailoring. • Layered and spatial heterostructures were constructed via deterministic interlayer thermomechanical. • Quasi-isotropic mechanical performance was achieved through reciprocating interlayer strategy. • Near-theoretical densification (104-107 porosity reduction) was realized via solid-state consolidation. • Multi strength mechanism synergy in heterostructures decoupled the highly precipitate dependence.
Keywords:
additive manufacturing
spatial heterostructure
mechanical isotropy
friction stir processing
aluminum alloys
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