Microstructure and tensile performance of an ultrafine-grained Ti-45Al-2Mn-2Nb-0.8vol% TiB2 alloy fabricated by selective electron beam melting

Key Points

• Enhanced tensile performance was achieved, indicating improved strength in the ultrafine-grained alloy.
• The alloy shows a unique microstructure with refined grain sizes, which contributes to its superior mechanical properties.
• Selective electron beam melting was used to fabricate the Ti-45Al-2Mn-2Nb alloy, offering precise control over material characteristics.
• These findings support the potential use of this alloy in advanced engineering applications, particularly in aerospace.