Damping properties of lead metaniobate

Taeyong Lee, Roderic S. Lakes

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Mechanical damping, tan δ, of lead metaniobate was determined experimentally over a wide range of frequency. Damping at audio and sub-audio frequency was lower than at ultrasonic frequency. The experiments were conducted in torsion and bending using an instrument capable of determining viscoelastic properties over more than 10 decades of time and frequency. Mechanical damping was higher in bending than torsion at all frequencies. Damping observed in this study at the highest frequencies approach the high value 0.09 previously observed at ultrasonic frequency.

Original languageEnglish
Pages (from-to)48-52
Number of pages5
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume48
Issue number1
DOIs
StatePublished - Jan 2001

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