Separating plasticity-induced closure and residual stress contributions to fatigue crack retardation following an overload

E Salvati, H Zhang, KS Fong, X Song… - Journal of the Mechanics …, 2017 - Elsevier
The introduction of an overload or underload within a constant amplitude loading fatigue test
leads to a retardation or acceleration of the Fatigue Crack Growth Rate (FCGR). The …

Creep–fatigue–oxidation interactions in a 9Cr–1Mo martensitic steel. Part I: Effect of tensile holding period on fatigue lifetime

B Fournier, M Sauzay, C Caës, M Noblecourt… - International Journal of …, 2008 - Elsevier
Cyclic tests with or without tensile holding periods were conducted in air at 823K on a
modified 9Cr–1Mo martensitic steel. In addition to stress–relaxation fatigue (RF) tests with a …

Comparison of wear performance of bainitic and martensitic structure with similar fracture toughness and hardness at different wear conditions

Z Wei, W Wang, M Liu, J Tian, G Xu - Wear, 2023 - Elsevier
The high-stress and low-stress abrasive wear behaviors of carbide-free bainitic and
tempered martensitic steels with similar fracture toughness and hardness were …

Impact-abrasive and abrasive wear behavior of low carbon steels with a range of hardness-toughness properties

G Saha, K Valtonen, A Saastamoinen, P Peura… - Wear, 2020 - Elsevier
This work investigates steels for mining wear applications involving abrasive and impact-
abrasive conditions. The study comprises four low carbon steels with a range of hardness …

Mechanisms of fatigue crack growth in Ti-6Al-4V alloy subjected to single overloads

DM Neto, MF Borges, FV Antunes, J Jesus - Theoretical and Applied …, 2021 - Elsevier
The relative importance of crack closure and residual stresses on fatigue crack growth
(FCG), which is controversial, is studied here. FCG is predicted numerically in CT specimens …

In situ observation of fatigue crack retardation in banded ferrite–pearlite microstructure due to crack branching

AA Korda, Y Mutoh, Y Miyashita, T Sadasue… - Scripta Materialia, 2006 - Elsevier
This paper reports the results of in situ observation of fatigue crack growth in a ferrite–
pearlite steel. Stress intensity factor range (ΔK) decreasing/increasing and constant-ΔK …

Impact abrasive wear behaviour of the multiphase microstructure in a medium carbon quenched and partitioned bainitic steel

Q Li, Y Zhang, H Luo - Wear, 2023 - Elsevier
To enhance the impact abrasive wear resistance of steel for mining and metallurgy
industries, a 0.3 C steel with a multiphase microstructure of bainitic, martensitic and retained …

Experimental and numerical insights into fatigue crack propagation of railway component with gradient residual stress

B Jian, H Zhang, N Ao, Z Wu, G Huang, Z Li… - Engineering Fracture …, 2024 - Elsevier
As a representative structure with an acute radial gradient in terms of residual stress (RS)
and grains, the induction-hardened railway S38C axle exhibits excellent mechanical …

Plastic stress concentration effects in fatigue strength

M Liu, AC de Oliveira Miranda, MA Antunes… - International Journal of …, 2023 - Elsevier
Elastoplastic (EP) stress gradient factors (SGF) ahead of notch tips are used to evaluate the
actual notch effects in fatigue strength due to their tolerance to non-propagating short cracks …

A numerical study of the effect of single overloads on plasticity induced crack closure

JB Baptista, FV Antunes, L Correia, R Branco - Theoretical and Applied …, 2017 - Elsevier
In this work, the effect of single overloads on plasticity induced crack closure is studied. An
elastic-plastic finite element model was developed and the crack opening level was …