Optimization of fatigue life of pearlitic Grade 900A steel based on the combination of genetic algorithm and artificial neural network

RM Nejad, N Sina, W Ma, Z Liu, F Berto… - International Journal of …, 2022 - Elsevier
In this paper, the fatigue life of pearlitic Grade 900A steel used in railway applications is
investigated. To predict the fatigue life of pearlitic Grade 900A steel based on the number of …

Fatigue reliability assessment of a pearlitic Grade 900A rail steel subjected to multiple cracks

RM Nejad, Z Liu, W Ma, F Berto - Engineering Failure Analysis, 2021 - Elsevier
In this paper, a reliability analysis of fatigue crack growth for a pearlitic Grade 900A rail steel
subject to the growth of multiple cracks is presented. The stress intensity factors (SIFs) at the …

Residual Stress Measurement Techniques for Metal Joints, Metallic Coatings and Components in the Railway Industry: A Review

O Kendall, A Paradowska, R Abrahams, M Reid, C Qiu… - Materials, 2022 - mdpi.com
Manufacturing and maintenance procedures in the railway industry regularly implement
welding and metal deposition operations to produce joints, coatings and repair structures …

Failure analysis of ductile iron crankshaft in compact pickup truck diesel engine

K Aliakbari, RM Nejad, TA Mamaghani, P Pouryamout… - Structures, 2022 - Elsevier
The crankshaft is one of the structural components of the engine that converts the linear
motion of the piston into rotational motion. In this study, the failure analysis of spheroidal …

Influence of multi-layer laser cladding depositions and rail curvature on residual stress in light rail components

O Kendall, R Abrahams, A Paradowska, M Reid… - Engineering Failure …, 2023 - Elsevier
Rapid deterioration of critical rail components due to wear and fatigue is a significant
challenge faced by the railway industry. Laser cladding has been applied to straight and …

Fatigue fracture and fatigue life assessment of railway wheel using non‐linear model for fatigue crack growth

RM Nejad, F Berto - International Journal of Fatigue, 2021 - Elsevier
In this paper, the fatigue behavior of railway wheel specimens subjected to cyclic loading
have been investigated via experimental tests and numerical analysis. The material …

Effects of spot welded parameters on fatigue behavior of ferrite-martensite dual-phase steel and hybrid joints

HR Ghanbari, M Shariati, E Sanati, RM Nejad - Engineering Failure …, 2022 - Elsevier
In this paper, the fatigue behavior of resistance spot welding in the ferrite-martensite dual-
phase steel joints with one and three spot-welds and hybrid joints have been investigated …

Analysis of stress intensity factors in railway wheel under the influence of stress field due to heat treatment and press-fitting process

K Aliakbari, SK Abbasnia, RM Nejad… - Engineering Failure …, 2021 - Elsevier
Railway transportation system is one of the main needs of the population living in
industrialized countries. Many studies have been conducted by engineers due to the …

Eigenstrain reconstruction of residual stress and its application in extreme high-speed laser material deposition

T Li, L Zhang, G Chen, T Schopphoven… - Journal of Manufacturing …, 2023 - Elsevier
Extreme high-speed laser material deposition (EHLA) allows the additive manufacturing to a
mass production due to its enhanced scanning speed and reduced detrimental to the …

Fatigue crack growth of a railway wheel steel and fatigue life prediction under spectrum loading conditions

RM Nejad, F Berto - International Journal of Fatigue, 2022 - Elsevier
In this paper, fatigue life and crack growth retardation of railway wheel specimens due to
spectrum loading have been investigated. For this purpose, numerical and experimental …