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)
    S. Pessiki (CEE, Lehigh University)
    T.R. Hay (TISEC)

Research Engineer:

    J. Neumann

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