1.  real oxide systems
1) CaO-TiO2-SiO2 in Fig 5.60 of FAHummel’s book

2. 2) K2O-Al2O3-SiO2 from “Physical Ceramics” by Chiang-Birnie-Kingery

3. Lorenzo de Medici Ruler of Florence and Art Patron
                      Statue of Lorenzo from the courtyard of the Uffizi Gallery, Florence
Lorenzo de Medici Ruler of Florence and Art Patron
   Whoever wants to be happy, let him be so: about tomorrow there's no knowing.    
                                            —Lorenzo The Magnificent

6. Try 1600, 1400, 1000, 800° isothermal sections !
Medici comp, taking molar equivalent of K2O+ Na2O+CaO =
Try 1600, 1400, 1000, 800° isothermal sections !
Fig Isothermal cut in the K2O-Al2O3-SiO2 diagram at 1200°C

7. 3) CaO-Al2O3-SiO2

8. 4) Na2O-CaO-SiO2
Fig. 6. Phase equilibrium diagram for the system Na2O-CaO-SiO2 illustrating the isothermal section at 1100° of the location of a typical French soft-paste porcelain. As the temperature increases, leading to a greater allowable variation of firing conditions than otherwise would have been allowed.

9. Na2O-CaO-SiO2 continued
Try 1600, 1400, 1000, 800° isothermals !

10. Phase transf.

12.  vertical sections, important but very difficult to draw
to understand the ternary phase diagram completely
1) cooling path ( study)
2) sections (horizontal sections)
3) sections
ex1) a solid solution system (α, β,γ) with one ternary eutectic (E)

13. Fig. 178. Vertical sections through the space model of Fig. 173a

14. ex2) congruently melting binary compound in the ternary

15. ex3) a simple ternary eutectic with a miscibility gap

16. K Fig. 5.69a. Vertical Section A-p Fig. 5.69c. Vertical Section c-B
L1+L2+A
Fig. 5.69a. Vertical Section A-p
Fig. 5.69c. Vertical Section c-B K
Fig. 5.69b. Vertical Section a-b
Fig. 5.69d. Vertical Section d-B