An Incus-Body Driving Type Piezoelectric Middle Ear Implant Design and Evaluation in 3D Computational Model and Temporal Bone

Table 3

Material parameters of the PZT-4 ceramics.

Elastic stiffness constant (GN·m^−2)						Piezoelectric constant (C/m^2)			Permittivity constant (F/m)
𝑐^𝐸11	𝑐^𝐸12	𝑐^𝐸13	𝑐^𝐸33	𝑐^𝐸44	𝑐^𝐸66	𝑒15	𝑒31	𝑒33	𝜀^𝑆11	𝜀^𝑆33
139	77.8	74.3	115	25.6	30.6	12.7	−5.2	15.1	370	635