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Assessment of the null-indicator method for the detection of fatigue cracks in structural elements.
- Source :
- Strength of Materials; May2012, Vol. 44 Issue 3, p325-332, 8p, 1 Color Photograph, 1 Black and White Photograph, 1 Diagram, 1 Chart, 3 Graphs
- Publication Year :
- 2012
-
Abstract
- The strain-measuring null-indicator method for the detection of fatigue cracks in electric locomotive truck frames, which are difficult to reach for visual inspection, was developed and in-service tried. The sensitivity of the method is established to increase after high-frequency mechanical hammering of St. 3sp low-carbon steel butt welds. The method provides detecting the nucleation of fatigue cracks in the subsurface steel layers. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00392316
- Volume :
- 44
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Strength of Materials
- Publication Type :
- Academic Journal
- Accession number :
- 78305794
- Full Text :
- https://doi.org/10.1007/s11223-012-9385-2