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Home/Reference Data/Binary Phase Diagrams/Ti-Al/alpha2-boundary

ALPHA2-Boundary — Ti-Al

Alloy System
Ti-Al
Invariant Point Or Boundary
ALPHA2 Boundary
Component 1 Name
Al
Component 2 Name
Ti
Composition 1 Wt Pct (wt%)
25
Engineering Significance
Ti3Al Intermetallic Has High Strength at Elevated Temperature But Limited Ductility
Phase Alpha
ALPHA2 Ti3Al
Phase Beta
Alpha Hcp
Phase Description
Alpha2 (Ti3Al) Phase Boundary at ~25 at%Al; Ordered Hexagonal DO19 Structure
Reaction Type
Phase Boundary
Temperature C (C)
1,170

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Ti-Al — invariant point or boundary alpha2_boundary · engineering significance Ti3Al intermetallic has high strength at elevated temperature but limited… · phase description Alpha2 (Ti3Al) phase boundary at ~25 at%Al; ordered hexagonal DO19 structure · phase beta alpha_HCP · temperature C 1170 C | Binary Phase Diagrams | Engineering Database