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Simultaneous improvement in room and intermediate temperature mechanical properties of laser powder bed fusion AlSi10Mg via FeMnCoCr in situ alloying
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DOI：10.1016/j.msea.2026.150887.png)
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Abstract
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• 4 wt% FeMnCoCr in situ alloying enhances the UTS by 16% (RT) and 58% (300 °C). • Nano-sized bcc α-Al15(Fe, Mn, Co, Cr)3Si2 forms and refines the cellular structure. • Solute segregation and local thermal histories promote pronounced heterostructures. • FIB + TEM shows a multilayer interface between the matrix and retained FeMnCoCr powder.
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