Al-Cu phase diagram S.J.T.U. Phase Transformation and Applications Page 13/30 Weight Percent Copper 1100 9102030 40 60 80 100 1084.B7 1C00 L 900 800 700 680.452°c 600 667c 548.2℃ 1500 400 -(AI) (Cu) ap- 300 10 20 30 40 50 60 70 0 90 100 A] Atomic Percent Copper C SJTU Thermodynamics of Materials Spring2007©X.J.Jin Lecture 16 Phase Diagram llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 16 Phase Diagram II Page 13/30 Al-Cu phase diagram