A Statistical Based Analysis Approach on Fatigue Failure Assessment of Carbon Steel

Abstract:

This paper discussed on an application of the statistical based analysis approach on fatigue failure of carbon steel. A new statistical based method known as Integrated Kurtosis-based Algorithm for Z-filter (I-kaz) and the quadratic mean were used in this fatigue failure assessment. Fatigue tests were performed according to the ASTM E466-96 standard with the attachment of a strain gauge to the tested specimen. Test was performed at a constant loading leading to the collection of strain data throughout the test. A fatigue based data acquisition system was used in this work. All obtained data were analysed using specific software. Fatigue failure behaviour was observed through the strain signal analysis to investigate significant correlation between I-kaz coefficient, root mean square value and the fatigue failure behaviour. It was found that I-kaz coefficient and root mean square value are proportional to life cycle.

• Periodical: Applied Mechanics and Materials (Volumes 52-54)
• Pages: 1445-1450
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.52-54.1445
• Online since: March 2011
• Authors: Mahfodzah M. Padzi, Shahrum Abdullah, Mohd Zaki Nuawi
• Keywords: Carbon Steel, Fatigue, Fatigue Failure, I-Kaz, Signal-Analysis

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