Influence of hydrogen-enhanced plasticity and decohesion mechanisms of hydrogen embrittlement on the fracture resistance of steel

M Wasim, MB Djukic, TD Ngo - Engineering Failure Analysis, 2021 - Elsevier
Hydrogen gas is a renewable energy source for electrical and transportation fuel for
vehicular applications. However, the storage and transportation of hydrogen gas are …

Dynamic modeling and analysis of fluid-delivering cracked pipeline considering breathing effect

W Ji, W Sun, H Ma, J Li - International Journal of Mechanical Sciences, 2024 - Elsevier
Crack is the most common failure mode of the pipeline system, which may lead to high-
speed and high-pressure hydraulic oil leakage. In this paper, the dynamic modeling and …

A hybrid finite element and extended transfer matrix method for the dynamic modeling of fluid-conveying pipeline with breathing cracks

W Ji, W Sun, D Wang, H Ma - Mechanical Systems and Signal Processing, 2024 - Elsevier
In this study, a hybrid finite element and extended transfer matrix method (FEM-ETMM) is
formulated to simulate the breathing effect and fluid disturbances of a fluid-conveying …

Evaluation of stress intensity factor for cast iron pipes with sharp corrosion pits

W Wang, A Zhou, G Fu, CQ Li, D Robert… - Engineering Failure …, 2017 - Elsevier
Underground pipes are essential infrastructure for water, oil and gas transport. The
presence of localized pitting corrosion has been identified as one of the main deterioration …

General point load weight function for semi-elliptical surface cracks in round bars

K Yuan, L Li, K Dong - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
Offshore mooring chains are continuously subjected to cyclic environmental loadings,
resulting in fatigue cracks that always develop at the surface and grow across the circular …

Time-dependent reliability assessment of corroded metal structures based on Physics of Failure (PoF): With a case study of cast iron pipe

K Mulenga, W Wang, CQ Li, M Xie - Engineering Failure Analysis, 2022 - Elsevier
In most metal structures, corrosion has been recognized as the main cause of failure, and
fracture often occurs in structures subjected to corrosion, eg, metal pipes. Since the …

Stress intensity factors for mixed mode fracture induced by inclined cracks in pipes under axial tension and bending

G Fu, W Yang, CQ Li - Theoretical and applied fracture mechanics, 2017 - Elsevier
Mixed mode fractures can be triggered by either multi-axial stresses or inclined cracks or
both. Little research has been undertaken on stress intensity factors for inclined cracks in …

Empirical solution of stress intensity factors for the inclined inner surface crack of pipe under external pressure and axial compression

XM Yao, YC Zhang, Q Pei, LZ Jin, TH Ma, XH He… - Materials, 2022 - mdpi.com
Based on fracture mechanics theory, a finite element method was used to determine the
stress intensity factors of the inclined crack on the inner surface of the pipe under axial …

Stress intensity factor analysis for mixed-mode fracture behavior of inclined semi-elliptical surface crack in stiffened plate under tension load

Z Peng, Y Song, P Yang, K Hu - Ocean Engineering, 2024 - Elsevier
This study aims to investigate the mixed-mode fracture behavior of stiffened plates with
inclined semi-elliptical surface cracks (ISSCs). For this purpose, a new numerical model is …

A semi-empirical approach and uncertainty analysis to pipes under hydrogen embrittlement degradation

HC Phan, L Le-Thanh, H Nguyen-Xuan - International Journal of Hydrogen …, 2022 - Elsevier
Abstract The Hydrogen Embrittlement (HE) appearance is the main reason for the desire to
evaluate the burst pressure of pipes. Several existing models predict burst pressure of …