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Hot isostatic pressing effects on multiscale mechanical properties and chromium-dependent strength retention in LPBF Fe-based shape memory alloys

Abstract This work investigates the effect of Hot Isostatic Pressing (HIP) on FeMnAlNi and FeMnAlNiCr shape memory alloys (SMAs) fabricated by Laser Powder Bed Fusion (LPBF). Specimens with and without in-situ laser remelting were HIP-treated at 1150 °C and 150 MPa for 4 h, thereby eliminating most...

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Principais autores: Md Muhiul Islam Muhit, Gabriel Awuku Dzukey, Umesh Gandhi, Ala Qattawi
פורמט: Artigo
שפה:Inglês
יצא לאור: Nature Portfolio 2026-05-01
סדרה:Scientific Reports
נושאים:
Laser powder bed fusion
Fe–Mn–Al–Ni
Shape memory alloy
Hot isostatic pressing
Densification
Phase transformation
גישה מקוונת:https://doi.org/10.1038/s41598-026-48695-w
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