Microstructure and phase formation in multiphase La–Bi–Pb alloys

Algirdas Mekys

doi:10.1016/j.intermet.2026.109403

Microstructure and phase formation in multiphase La–Bi–Pb alloys

2026-06-20

0

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AI

A

Algirdas Mekys *

A

Abdul Mannan Majeed

S

Sandra Stanionytė

G

Gediminas Kreiza

Š

Šarūnas Vaitekonis

V

Vidmantas Kalendra

P

Patrik Ščajev

DOI：10.1016/j.intermet.2026.109403

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• Novel low-melting ternary La–Bi–Pb alloys (197–251 °C) with 10–22 wt% La are developed. • Pb–Bi liquid phase enables low-temperature formation of Bi2La intermetallics. • The alloys exhibit self-limiting oxidation and improved environmental stability. • CALPHAD modeling combined with experiments reveals composition redistribution mechanisms. • Fractal analysis shows homogeneous La distribution and partial segregation of Bi.

Microstructure and phase formation in multiphase La–Bi–Pb alloys

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