Subsolidus phase relationships

Fig. 4. The subsolidus phase relationships in the Si N SiC -AljCL-AlN-YjCL-YN system, showing compatibility tetrahedrons [J],...

Z.-K. Huang, T.-Y. Tien, and T.-S. Yen, Subsolidus phase relationships in Si3N4-AlN-rare-earth oxide systems. J. Am. Ceram. Soc. 69 (10), C241-242 (1986). 

Sun WY. Yen TS, Tien TY (1991) Subsolidus phase relationships in the systems Rc-Al-O-N (where Re = rare earth elements). J Solid State Chem 95 424-429... 

The extent of the data for these systems makes it necessary to focus on subsolidus phase relationships (this section) while only selected composition-temperature diagrams follow separately in sect. 14. Since the subsolidus phase descriptions vary significantly across the series of the R elements, the description begins at the smallest R atom and continues with the increasing size of the trivalent ions. 

Figure 16 System Mg0-Fe0-Ti02- Subsolidus phase relationships at 1130OC.

The question of the solidus-liquidus equilibria in the R(0)-Ba(0)-Cu(0) phase diagrams is dealt with in a special chapter of this Handbook, hence only a brief information is given here, relevant to the subsolidus-phase chemistry. It is typical for such multicomponent systems that a large number of isobaric and isothermal sections is necessary for a complete description of the occurring s l relationships. 

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