Al-O, Chalcogen, Corundum, Transitional, Phase diagram

• Al-O-Y-Zr
• Al-La-O-Zr
• Al-Nd-O-Zr
• Al-O-Sm-Zr
• Al-O-Yb-Zr
• oxide
• transitional
• corundum
• chalcogen
• quaternary