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Updated: Jul 7, 2026
09:21
Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
Published on: September 28, 2015
Ultrasonics research in the NIST Manufacturing Engineering Laboratory
G V Blessing1, N N Hsu, J A Slotwinski
1NationalInstitute of Standards and Technology, Gaithersburg, MD 20899-8221, USA. gblessing@nist.gov
Summary
Researchers explored advanced ultrasonic techniques using piezoelectric polymers for industrial applications. Key developments include a novel transducer for precise measurements and insights into nonlinear wave propagation effects in nondestructive testing.
Area of Science:
- Materials Science
- Acoustics
- Engineering
Background:
- The National Institute of Standards and Technology (NIST) supports US industry through research and standards development in ultrasonics.
- Thin film piezoelectric polymers are crucial for advanced ultrasonic applications.
Purpose of the Study:
- To review recent experimental research utilizing thin film piezoelectric polymers.
- To highlight advancements in ultrasonic measurement techniques and understanding wave propagation.
Main Methods:
- Development and application of a large aperture lensless line-focus transducer.
- Experimental investigation of nonlinear wave propagation in pulsed waveforms.
Main Results:
- Successful implementation of a novel transducer for time-resolved pulsed-wave measurements.
- Characterization of nonlinear wave propagation effects relevant to industrial ultrasonic nondestructive testing.
Conclusions:
- The research advances capabilities in ultrasonic measurements and nondestructive testing.
- Piezoelectric polymer research at NIST contributes to industrial standards and applications.
