Figure 4.
Comparison of bone-like apatite formation on plasma sprayed zirconia coatings after immersed in SBF solution for 28 days. (a) undoped zirconia coating. (b) zirconia coating stabilized 12.8 mol % calcia. (c) zirconia coating stabilized with 16 mol % calcia. (d) zirconia coating stabilized with 30 mol % calcia.