Piezoelectric crystal compression (in cm)

AI Thread Summary
The discussion focuses on the compression of piezoelectric crystals, specifically PZT, under maximum force. Users seek to understand the typical force these crystals can withstand and the corresponding compression in centimeters. One participant notes that applying around 100N of force generates 4-5V from a 4cm² piezo crystal but is unclear about the exact distance of compression. The conversation highlights the need for specific data on compression limits for various sizes of piezoelectric crystals. Overall, the inquiry emphasizes the relationship between applied force and the resulting compression in piezoelectric materials.
SmritiB
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How much does a Piezoelectric crystal (say PZT) compress when applied the maximum amount of force it can withstand ? also it would be very helpful if someone could tell me how much is this force typically ?
 
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SmritiB said:
How much does a Piezoelectric crystal (say PZT) compress when applied the maximum amount of force it can withstand ? also it would be very helpful if someone could tell me how much is this force typically ?

What has your reading said so far? What information sources have you been using to read about this? What size piezo crystal are you interested in?
 
berkeman said:
What has your reading said so far? What information sources have you been using to read about this? What size piezo crystal are you interested in?

I have been using the internet only. Many videos on youtube show that pressing with fingers (which i presume would be around 100N force) generate 4-5V. On a piezo crstal sized around 4cm^2. What i could not get was how much distance are the pressing it. as in how much compression (in cm) can a crystal typically withstand ?
 
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