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Vibrocompaction of Lead-Free Piezoceramic Material Based on Solid Solutions of Potassium and Sodium Niobates

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The possibility of obtaining samples of lead-free piezoceramic by vibromolding under pressing pressure < 0.3 MPa is studied. The experiments were performed on the material K0.49Na0.49Sr0.02NbO3 synthesized by the standard ceramic technology of solid-phase synthesis. The samples of the piezoceramic fabricated by vibromolding are similar in terms of their properties to those obtained by static pressing under pressure 100 – 150 MPa. The advantages of the vibrocompaction process are: lower expenditures on tooling and equipment, smaller elastic deformation, and higher product density.

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This work received financial support from the Ministry of Education and Science of the Russian Federation as part of the state task No. 0699-2017-0007 (No. 11.3560.2017/PCh), dated May 31, 2017, using equipment from the Collective Use Center ‘Science-intensive technologies in machine engineering at Moscow Polytech.’

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Correspondence to S. G. Ponomarev.

Additional information

Translated from Steklo i Keramika, No. 9, pp. 31 – 36, September, 2019.

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Ponomarev, S.G., Smirnov, A.V., Reznichenko, A.V. et al. Vibrocompaction of Lead-Free Piezoceramic Material Based on Solid Solutions of Potassium and Sodium Niobates. Glass Ceram 76, 346–350 (2020). https://doi.org/10.1007/s10717-020-00197-5

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Keywords

  • lead-free piezoceramic
  • solid solutions of potassium and sodium niobates
  • vibromolding
  • static compaction