The potential drop method as used in fatigue and fracture toughness testing has been applied to tests on COD specimens. These tests showed that providing electrical stability is maintained, the method can be used to detect the onset of ductile crack growth. Initial plastic deformation (in absence of
โฆ LIBER โฆ
New electrical potential method for measuring crack growth in nonconductive materials
โ Scribed by H. Nayeb-Hashemi; D. Swet; A. Vaziri
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 401 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0263-2241
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Finite element analysis procedures are utilized to provide theoretical calibration curves for the electrical potential crack-monitoring system as applied to single-edge-notch (SEN) and compact tension (CT) fracture specimens. The results are compared to existing calibrations for such test piece geom