Approximate Engineering Model of Ferritic-Pearlitic Steel Constructions Resource Evaluation

Abstract:

In the constructions and weld seals microdefects while repeated stress lead to metal structure damage, low-cycle and high-cycle fatigue, and cracks dissemination. The calculation method of operating life estimate presupposes a microcrack development hypothetical speed application. This speed in many cases is unknown. Initial speed determination suggested in this work is based on endurance limit values design analysis when considering a combined problem for the first two sections of fatigue failure kinetic diagram.

• Periodical: Materials Science Forum (Volume 992)
• Pages: 947-951
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.992.947
• Online since: May 2020
• Authors: K.A. Molokov, V.V. Novikov, N.P. Vasilchenko*, G.P. Turmov
• Keywords: Construction Resource, Endurance Limit, Ferritic-Pearlitic Steel, Fracture Kinetics, Macrocrack, Microcrack, Paris Equation

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