Infrastructure sensing

This work is directed at the development of sensors for infrastructure applications. Examples include the detection of cracks using ultrasonic waves; detection of acoustic emissions from crack propagation; and measurement of chloride concentrations in concrete.

Faculty collaborators:
    I.J. Oppenheim (CEE)
    H. Sohn (KAIST, CEE)
    S. Pessiki (CEE, Lehigh University)
    T.R. Hay (TISEC)

Research Engineer:
J. Neumann

Graduate student researchers: (*active in Oct. 2007)
    A. Jain
    D. Ozevin
    F. Cao*<>
    N. Tyson
    J. Nieuwenhuis<>
    I. Neill
    A. Wright*<>
    P. Zheng*
    W. Wu*

Current and past projects
    Development of capacitive MEMS ultrasonic transducers (cMUTs)
    MEMS acoustic emission transducers
    Emission of Lamb waves by wafer-type ultrasonic transducers
    Inductively coupled Lamb wave transducers
    Lamb waves and interactions with defects
    Other related activities

Research Sponsors

National Science Foundation grant CMS-0329880, "SENSORS: Collaborative Research: MEMS for Multi-Mode Civil Infrastructure Sensing."

The Pennsylvania Infrastructure Technology Alliance

Bombardier Total Transit

Bosch Corporation

WavesInSolids

Krautkramer Inc. (GE Inspection Technologies)

Physical Acoustics Corporation