Technical Physics Letters
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- 2023
- 2022
Investigation of approaches to the BaTiO3 piezoceramics production: the influence of the shaping method and the powder particles size
For the first time, the possibility of obtaining samples of BaTiO3 piezoceramics with d33 values between 240-270 pC/N from commercially available powder by vibrational pressing (vibropressing) and semi-dry pressing without the use of expensive methods of doping and/or alloying the initial powder and texturing piezoceramics is shown. The method of vibropressing with a pressure of 10 MPa allows to get similar structure and properties of samples, as well as the method of semi-dry pressing with a pressure of 100 MPa. Keywords: lead-free piezoceramics, barium titanate, piezoelectric properties, vibration pressing, pressing.
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