Estimation of the Fatigue Curve of a Wire Rope at Different Scales

Abstract:

The wire rope 19 × 7 is a complex component, it consists of 18 strands in helical from around a central core strand, each strand consist of a 7 wires laid in helical. The friction in wire rope between wire and wire decrease its lifetime. For that, this study is an attempt to present a simplified approach to predict the lifetime of cable in three scale (wire, strand, cable) using unified theory and the Basquin's law, at the level of the strand scale we have estimated its fatigue behavior in the initiation phase and also within the number of the cycle to failure as well as the ratio of the number of cycles to crack initiation N_i to the number of cycles to failure, we based on the tensile test.

• Periodical: Key Engineering Materials (Volume 820)
• Pages: 85-96
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.820.85
• Online since: September 2019
• Authors: Achraf Wahid*, Nadia Mouhib, Abdelkarim Kartouni, Hamid Chakir, Mohamed El Ghorba
• Keywords: Cycle Number Reduction at Failure, Damage, Fatigue, Ratio of the Number of Cycles to Crack, Unified Theory, Wire Rope

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