Liu, A. 2025. Investigation of the Ductile-to-Brittle Transition during Scratching of Polycrystalline Dual-phase γ-TiAl Alloy. International Journal of Mechanical and Electrical Engineering. 6, 3 (Jul. 2025), 12–20. DOI:https://doi.org/10.62051/ijmee.v6n3.02.