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Abstract
Resonant spectroscopy is an effective nondestructive testing method focused on defects detection in tested objects. Resonance spectrum contains an information about the mechanical properties and particularly about the structural homogeneity of the whole object. A swept frequency method has been used to measure the selected resonant frequencies range. The system for measurement of resonant ultrasound spectroscopy of high-voltage varistors has been described. At the output of receiving sensor resonances depending directly on the degree of inhomogeneity and dimensions of the object have been observed. The parameter Q related to the homogeneity of the varistor structure has been proposed as a criterion of testing.
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- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- EDS'08 : Proceedings Electronics Devices and Systems : IMAPS CS International Conference Brno, Czech Republic 10-11 September 2008 strony 485 - 490
- Language:
- English
- Publication year:
- 2008
- Bibliographic description:
- Hasse L., Smulko J.: Diagnostics of high-voltage varistor quality using resonant ultrasound spectroscopy// EDS'08 : Proceedings Electronics Devices and Systems : IMAPS CS International Conference Brno, Czech Republic 10-11 September 2008/ ed. ed. O. Hegr. Brno: Vysoke Uceni Technicke, 2008, s.485-490
- Verified by:
- Gdańsk University of Technology
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