| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric ceramic composition that includes a high mechanical strength and an excellent piezoelectric property.SOLUTION: A piezoelectric ceramic composition (1) contains, as an additive, AlO(4) in a base material (2) represented by a general formula A{PbSr(ZrTi)O}+(1-A){Pb(MnSb)O}, and in which said A, x and y in the general formula, respectively, satisfy 0.9≤A≤1.0, 0.02≤x≤0.10, 0.47≤y≤0.54 as well as said AlOis contained in a proportion of 0.2 wt.% or more and 3.5 wt.% or less. |
