Fatigue life evaluation of metallic structures under multiaxial random loading
Source abstract
Abstract
Abstract A frequency-domain critical-plane criterion is reformulated in order to improve its accuracy in terms of fatigue life estimation for smooth metallic structural components under multiaxial random loading. The criterion here proposed consists of three steps: (i) definition of the critical plane; (ii) Power Spectral Density (PSD) evaluation of an equivalent normal stress; (iii) estimation of fatigue life by implementing damage models different from that used in the original formulation. Such a reformulated criterion is numerically validated by employing experimental fatigue results for 18G2A and 10HNAP structural steels, subjected to random combined bending and torsion. Further, the above theoretical results are also compared with those determined through a time-domain criterion proposed in the past by some of the present authors.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Fatigue and fracture mechanics · Structural Load-Bearing Analysis · Fire effects on concrete materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (29)
Show source-provided references
1. Frequency-domain methods for a vibration-fatigue-life estimation – application to real data10.1016/j.ijfatigue.2012.07.005 ↗
2. Vibration fatigue analysis for multi-point spot-welded joints based on frequency response changes due to fatigue damage accumulation10.1016/j.ijfatigue.2012.10.017 ↗
3. A reliability analysis method for fatigue design10.1016/j.ijfatigue.2013.08.004 ↗
4. Review and application of Rainflow residue processing techniques for accurate fatigue damage estimation10.1016/j.ijfatigue.2015.10.007 ↗
5. Fatigue life prediction for broad-band multiaxial loading with various PSD curve shapes10.1016/j.ijfatigue.2012.05.014 ↗
6. Comparative research on the accumulative damage rules under multiaxial block loading spectrum for 2024-T4 aluminum alloy10.1016/j.ijfatigue.2012.11.004 ↗
7. Verification of fatigue critical plane position according to variance and damage accumulation methods under multiaxial loading10.1016/j.ijfatigue.2013.02.021 ↗
8. Statistical assessment of multiaxial HCF criteria at the grain scale10.1016/j.ijfatigue.2014.01.024 ↗
9. Fatigue life estimation under multiaxial random loading by means of the equivalent Lemaitre stress and multiaxial S–N curve methods10.1016/j.ijfatigue.2015.04.022 ↗
10. The modified Manson–Coffin curve method to estimate fatigue lifetime under complex constant and variable amplitude multiaxial fatigue loading10.1016/j.ijfatigue.2015.10.005 ↗
11. Life prediction techniques for variable amplitude multiaxial fatigue – part 1: theories10.1115/1.2806821 ↗
12. Comparison of calculation and experimental fatigue lives of some chosen cast irons under combined tension and torsion
13. A multiaxial fatigue criterion for random loading10.1046/j.1460-2695.2003.00620.x ↗
14. Fatigue life estimation under multiaxial random loading using a critical plane-based criterion
15. Spectral methods for multiaxial random fatigue analysis of metallic structures10.1016/S0142-1123(00)00038-4 ↗
16. Fatigue life calculation by means of the cycle counting and spectral methods under multiaxial random loading10.1111/j.1460-2695.2005.00877.x ↗
17. Fatigue life under variable-amplitude loading according to the cycle-counting and spectral methods10.1007/s11003-006-0097-2 ↗
18. Comparison of spectral methods for fatigue analysis in broad-band Gaussian random processes10.1016/j.probengmech.2005.10.003 ↗
19. A hybrid frequency–time domain method for predicting multiaxial fatigue life of 7075-T6 aluminium alloy under random loading10.1111/ffe.12224 ↗
20. Reformulation in the frequency domain of a critical plane-based multiaxial fatigue criterion10.1016/j.ijfatigue.2014.01.008 ↗
21. Fatigue life predictions by integrating EVICD fatigue damage model and an advanced cyclic plasticity theory10.1016/j.ijplas.2008.06.007 ↗
22. Standard Practices for Cycle Counting in Fatigue Analysis. ASTM E 1049; 1990.
23. Fatigue under wide band random stresses10.1061/JSDEAG.0005477 ↗
24. Dirlik · 1985
25. On the probability density function of Rainflow stress range for stationary Gaussian processes10.1016/0142-1123(92)90088-T ↗
26. Fatigue lives of 18G2A and 10HNAP steels under variable amplitude and random non-proportional bending with torsion loading10.1016/j.ijfatigue.2007.07.001 ↗
27. Prediction of non-proportional cyclic hardening and multiaxial fatigue life for FCC and BCC metals under constant amplitude of strain cycling10.1016/j.msea.2016.01.029 ↗
28. Simultaneous computer simulation of operational random processes and continual Rainflow counting10.1016/0142-1123(92)90372-J ↗
29. Lifetime of semi-ductile materials through the critical plane approach10.1016/j.ijfatigue.2013.11.019 ↗