Ferroperm has almost 50 years of experience with satisfied users of our piezoceramic products. Over the years we have developed a large variety of materials, which are optimised for almost all applications within the markets for sensors and ultrasonics.

Our customers often ask certain questions concerning the use of Ferroperm materials and parts and answers to some of the most common ones are given below (the PDF files are more printer-friendly than the HTML ones, but for these you will need Adobe Acrobat Reader, which can be downloaded for free at www.adobe.com).

Q	A
Is there a minimum order quantity? What are the prices at higher quantities?	html	pdf
What are standard and minimum tolerances for Ferroperm's products?		pdf
How does the Quality Assurance System in Ferroperm work? How detailed is the quality of my products documented?		pdf
What is the difference between hard and soft PZT? Which material should I choose for a certain application?	html	pdf
What are the thermal expansion coefficients of Ferroperm's materials?	html	pdf
What is Young's modulus for Ferroperm's materials?		pdf
What is the maximum voltage/power I can apply to my piezoceramic part?	html	pdf
What is the maximum pre-stress I can apply on my high-power transducer using Pz26 or Pz28?	html	pdf
How much energy can I extract from a piece of piezoceramic material?	html	pdf
What are resonances and overtones in a piezoceramic part?		pdf
How do geometry and size influence resonances and overtones?		pdf
What types of electrodes are available from Ferroperm?		pdf
How can I see in which direction a piezoceramic part is poled? - standard poling - shear plate	html html	pdf pdf
How can I solder wires to the parts?	html	pdf
What should I be aware of when assembling a transducer by use of glue?	html	pdf