Polymers with piezoelectric effect

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SUMMARY

The discussion focuses on polymers exhibiting the piezoelectric effect, specifically highlighting polyvinylidene fluoride (PVDF) and vinyl fluoride. PVDF is commercially available in strips from suppliers like Goodfellow, offering uniformity for experimentation. The piezoelectric effect generates an electrical charge in response to applied stress, enabling mechanical movements, albeit minimal. The activation of these polymers occurs during manufacturing through cooling in a high electric field.

PREREQUISITES
  • Understanding of piezoelectric materials
  • Familiarity with polyvinylidene fluoride (PVDF)
  • Knowledge of electrical fields and their effects on materials
  • Basic principles of mechanical stress and strain
NEXT STEPS
  • Research the properties and applications of polyvinylidene fluoride (PVDF)
  • Explore the manufacturing process of piezoelectric polymers
  • Learn about the modulation of power in piezoelectric devices
  • Investigate suppliers of piezopolymer materials and their specifications
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Researchers, material scientists, and engineers interested in the applications of piezoelectric materials in technology and product development.

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I am looking for a polymer that can be manipulated and that expands after applying pressure between the fingers, as a result of piezoelectric effect.
 
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the commercial one used is vinyl fluoride, iirc.
It's 'activated' at manufacture by cooling in a high electric field.

physical movement from the piezoelectric effect is extremely tiny.
you wouldn't be able to feel the expansion but you could feel vibration if you applied modulated power.

you can buy the piezopolymer in strips, already made with good uniformity.
 
A typical piezoelectric film is polyvinylidene fluoride, PVDF.

The piezoelectric effect means a charge is generated when a stress is applied, or a mechanical effect can be achieved by passing a charge across the sample.

Goodfellow sell a variety of PVDF sheet which you can play around with.
 

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