This work is designed to artificially create test specimens with flaws that behave the same way as real-function flaws when observed by nondestructive testing (NDT) technologies. Thus, the understanding of the detection limitations of NDT methods is needed. In this study, real, realistic, and artificial flaws were compared by ultrasonic phased array technology. Fatigue flaws, which belong to the most common structural issues (Ruzicka, M., Hanke, M., and Rost, M., 1987, Dynamicka Pevnost a Zivotnost, CVUT, Prague, Czech Republic, p. 75), are investigated. Measurements have revealed significant differences in the amplitude of ultrasonic echo from fatigue cracks in distinct phases of crack propagation. Studied specimens with realistic flaws have demonstrated their quality for calibration, staff training, and NDT system qualification. More realistic test specimens will increase ultrasonic test result reliability.
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July 2019
Research-Article
Production of Realistic Flaws and Their Meaning for Ultrasonic Testing
Pavel Mares,
Pavel Mares
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
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Jaromir Janousek,
Jaromir Janousek
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
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Martin Linhart
Martin Linhart
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
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Jiri Hodac
Pavel Mares
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
Jaromir Janousek
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
Martin Linhart
Research Centre Rez Ltd.,
Husinec-Rez 30100, Czech Republic
Husinec-Rez 30100, Czech Republic
Manuscript received March 27, 2018; final manuscript received January 11, 2019; published online April 16, 2019. Assoc. Editor: Martin Schulc.
ASME J of Nuclear Rad Sci. Jul 2019, 5(3): 030919 (3 pages)
Published Online: April 16, 2019
Article history
Received:
March 27, 2018
Revised:
January 11, 2019
Citation
Hodac, J., Mares, P., Janousek, J., and Linhart, M. (April 16, 2019). "Production of Realistic Flaws and Their Meaning for Ultrasonic Testing." ASME. ASME J of Nuclear Rad Sci. July 2019; 5(3): 030919. https://doi.org/10.1115/1.4042598
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