Journal of Materials Science

, Volume 41, Issue 20, pp 6639–6646 | Cite as

In-situ micro frequency dependent electric field sensors to verify model predictions of cure and aging

  • Justin Doo
  • Yuemei Zhang
  • Judd Compton
  • David Kranbuehl
  • Alfred C. Loos


Frequency dependent electric field measurements using in situ micro sensors, FDEMS, is a particularly useful technique for monitoring the changing state of a polymer in a composite (or in an adhesive joint or as a coating) during fabrication and aging during use in the field. Measurements can be made in the laboratory to monitor the polymerization process and to monitor durability and aging in an environmental chamber or other degradative environment. Equally important, the FDEMS in situ micro sensor monitoring technique can be used to monitor cure in production ovens and autoclaves on the plant floor as well as outside, for example, coatings on the surface of a ship in dry dock. Durability and aging can be monitored while the object is in use. Examples are a marine coating on a ship, the protective coating on the liner of an acid containing tank, a rocket propellant, an adhesive in a bond joint, or the polymer in a composite structure.


Complex Permittivity Sensor Output Cure Cycle Resin Infusion Plant Floor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Thank you to the authors, Justin Doo, Yuemei Zhang and Alfred C. Loos. Support from NASA Langley, the Air Force Edwards California Laboratory, Boeing-McDonnell Douglas Aircraft Company and ICI’s Coatings Companies is gratefully appreciated.


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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • Justin Doo
    • 1
  • Yuemei Zhang
    • 1
  • Judd Compton
    • 1
  • David Kranbuehl
    • 1
  • Alfred C. Loos
    • 2
  1. 1.Chemistry and Applied Science DepartmentsCollege of William and MaryWilliamsburgUSA
  2. 2.Department of Chemical EngineeringMichigan State UniversityEast LansingUSA

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