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Home/Reference Data/Binary Phase Diagrams/Al-Cu/theta-phase-boundary

Theta-Phase-Boundary — Al-Cu

Alloy System
Al-Cu
Invariant Point Or Boundary
Theta Phase Boundary
Component 1 Name
Cu
Component 2 Name
Al
Composition 1 Wt Pct (wt%)
52.5
Engineering Significance
CuAl2 Is Main Strengthening Precipitate in 2XXX Alloys (GP Zones -> Theta Prime -> theta)
Phase Alpha
Alpha Al
Phase Beta
Theta CuAl2
Phase Description
Composition and Melting of CuAl2 (theta) Intermetallic
Reaction Type
Phase Boundary
Temperature C (C)
590

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Al-Cu — invariant point or boundary theta_phase_boundary · engineering significance CuAl2 is main strengthening precipitate in 2xxx alloys (GP zones -> theta_prime… · phase description Composition and melting of CuAl2 (theta) intermetallic · composition 1 wt pct 52.5 wt% · reaction type phase_boundary | Binary Phase Diagrams | Engineering Database