Patent ID: 7309530
Filing Date: 2007-12-18
Classification: C04B,C23C,F01D,F05D,Y10T

Abstract:
1. A composition comprising: a ceramic matrix including an at least partially stabilized zirconia, wherein the at least partially stabilized zirconia includes an yttria first dopant; a pentavalent oxide second dopant in a concentration of about 0.8 mol percent, wherein the pentavalent second dopant includes one selected from niobia (Nb an oxide third dopant in a concentration of about 0.6 mol percent neodymia, and wherein the pentavalent oxide second dopant is in a ratio to the oxide third dopant of less than or equal to about 1, and wherein the composition exhibits a thermal conductivity of about 1.6 W/(m K) after being heated to about 1,200° C. for about 2 hours.