I made some custom piezo elements at PCB Motors, was ok: https://pcbmotor.com/about-pcbmotor/how-we-work/

@Nikolay Pavlov

Thank you for your answer, I've checked the link, but I am looking for a more standard material provider, from a series production. Maybe you know a reliable provider in that perspective?

Hi Ando Ny Aina Randriantsoa

As a researcher who is working on piezoelectric materials for a few years I can suggest these companies:

https://www.smart-material.com/

https://www.mide.com/

Hope it can help.

regards

https://www.piceramic.com/en/

Check this out too!

Iman Izadgoshasb

Jayalakshmi Raju

Thank you for your answers and links, that was very helpful.

They offer a wide range of piezoelectric materials.

Please check this: https://www.ctscorp.com/resource-center/tutorials/reliability/

Sotiris Folinas

Thank you for your answer and the link; it is helpful, especially regarding the reliability of the piezoelectric actuator.