We are currently experiencing intermittent issues impacting performance. We apologize for the inconvenience.
By Topic

PZT crack detection in suspension-based dual stage actuator [for HDDs]

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Yung-Ping Yeh ; Dept. of Mech. Eng., California Univ., San Diego, La Jolla, CA, USA ; McCaslin, M. ; Ku, C.-P.R.

An impedance method is proposed to detect cracks of PZT bars in suspension based dual stage-actuators. The frequency response amplitude of impedance at the resonance of 1.95 MHz, the PZT bar width extension mode, was very sensitive to the cracks in PZT material. As cracks in the PZT bars propagated from invisible micro cracks to visible macro cracks, the impedance gain at 1.95 MHz dropped suddenly

Published in:

Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )