Sone191 Jun 2026

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Nickel‑based superalloys remain indispensable in environments demanding high strength, corrosion resistance, and thermal stability. The designation SONE191 emerged from a 2024 collaborative research initiative aimed at reducing cobalt content while maintaining performance above 900 °C. This paper provides the first comprehensive characterization of SONE191, comparing its properties to established standards and evaluating its readiness for industrial adoption. sone191