PVDF contact probes

Jorma Pitkänen

Research output: Book/ReportReport

Abstract

Three types of contact probes are discussed in this research. The probes investigated were a focussing angle beam probe, a normal incidence probe and an acoustic emission probe. Some characteristics of PVDF foils for probe design are also dealt with. A probe design program was used to calculate two types of probes in order to determine the properties and behaviour of these PVDF foils. The program used is based on the KLM-model. Calculated and measured pulses and frequency spectra were compared. The results agree well with the theoretical estimations. Deviations from the theoretical calculations and measurements are discussed.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages24
ISBN (Print)951-38-3492-1
Publication statusPublished - 1989
MoE publication typeD4 Published development or research report or study

Publication series

SeriesValtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports
Number623
ISSN0358-5077

Keywords

  • ultrasonic tests
  • nondestructive tests
  • probes

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  • Cite this

    Pitkänen, J. (1989). PVDF contact probes. VTT Technical Research Centre of Finland. Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports, No. 623