Investigation of β/α″ interface in Ti-Nb alloy
Jin-hui Sun
Journal of Central South University ›› 2023, Vol. 30 ›› Issue (11) : 3709 -3720.
The β/α″ interface in deformation bands was studied using high resolution transmission electron microscopy (HRTEM) observations in β-type titanium-niobium-based (Ti-Nb) alloys, and the elastic stress near the α″ habit plane was estimated using a topological model of martensitic transformation (TM). The results indicate that the elastic stress near the α″ habit plane is too small to cause β to ω transformation. In addition, the {332} <113>β twin is formed within the stress-induced α″ phase, and is closely related to the
titanium-niobium-based alloys / β to α″ phase transformation / β to ω phase transformation / elastic stress near the α″ habit plane / β/α″ interface
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