AlN-base

Al2O3-AlN

Y2O3-AlN

AlN-Al2O3-Y2O3  1600C

AlN-Al2O3-Y2O3  1800C

AlN-Al2O3-Y2O3  2000C

AlN-Al2O3-Y2O3  Liquidus

Ca-Al-O-N  1700C