Dataset for: "Fatigue assessment of structural components through the Effective Critical Plane factor"

This dataset contains the Effective Critical Plane (ECP) post-processing of the classic fatigue experiments by Susmel & Taylor (2007, 2008) on En3B low-carbon steel specimens with holes and notches.The re-analysis, carried out with the Fatemi–Socie (FS) variant of the ECP methodology, is presented in Chiocca A., Frendo F. “Fatigue assessment of structural components through the Effective Critical Plane factor,” International Journal of Fatigue 189 (2024) 108565. 1 File-naming convention <CPvariant>_<SeriesID>_<LoadMode>_<Geometry>_<Size>_R_<LoadRatio>[ _Phi<PhaseDeg> ].txt Token Meaning Examples CPvariant Critical-plane parameter used: FS (Fatemi–Socie) or SWT (Smith-Watson-Topper) FS, SWT SeriesID Progressive integer that groups related tests 1, 2, … LoadMode Type of loading Axial, Torsion, InPhase, OutPhase90 Geometry Specimen geometry Hole, UNotch, VNotch Size Characteristic size in mm (decimal point → “_”) 3_5 → 3.5 mm hole; 0_2 → 0.2 mm notch root R <LoadRatio> Stress (or shear) ratio R R_-1, R_0, R_0_1 _Phi<PhaseDeg> (Only for combined loading) axial–torsional phase shift _Phi90 Example – FS_1_Axial_Hole_3_5_R_-1.txt stores FS-ECP data for a 3.5 mm-diameter holed specimen under fully-reversed axial loading (R = -1). 2 Column definitions Nf_exp – experimental number of cycles to failure ECP_factor – Effective Critical Plane factor (FS or SWT) Nf_pred – predicted number of cycles to failure from the calibrated ECP model Units: stresses in the underlying calculations are in MPa; cycle counts are absolute. 3 Experimental campaign (summary) Material: cold-rolled low-carbon steel En3B; chemical and mechanical properties are reported in Table 1 of the article. Geometries: through-holes Ø 3.5 mm & Ø 8 mm, flat U-notch (radius 1.5 mm), flat V-notch (radius 0.12 mm), plus cylindrical V-notches with root radii 0.2 – 4 mm. Loading conditions: pure axial, pure torsion, proportional axial–torsion (φ = 0°) and non-proportional axial–torsion (φ = 90°); stress ratios R = -1, 0, 0.1. ECP settings: the optimal control radius for the FS factor is 0.20 mm, established by best-fitting V-notched and Ø 8 mm hole datasets. 4 Re-use & reproducibility MATLAB scripts implementing the FS ECP algorithm are available at https://github.com/achiocca1/ECP (MIT licence). Finite-element meshes can be shared on reasonable request to the corresponding author. Please cite both this Zenodo record and the journal article when you use the data.