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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Auteurs principaux:	Md Muhiul Islam Muhit, Gabriel Awuku Dzukey, Umesh Gandhi, Ala Qattawi
Format:	Artigo
Langue:	Inglês
Publié:	Nature Portfolio 2026-05-01
Collection:	Scientific Reports
Sujets:	Laser powder bed fusion Fe–Mn–Al–Ni Shape memory alloy Hot isostatic pressing Densification Phase transformation
Accès en ligne:	https://doi.org/10.1038/s41598-026-48695-w
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