Results 51 to 60 of about 859,449 (194)

Molecular Dynamics Simulation of Low-Cycle Fatigue Behavior of Single/Polycrystalline Iron

Nanomaterials
The fatigue plastic mechanism and dislocation characteristics of engineering materials are the key to studying fatigue damage. In this study, the molecular dynamics (MD) method was employed to investigate the microstructural characteristics and fatigue ...
Tianyu Zhang, Jinjie Zhou, Jinchuan Shen
doaj   +1 more source

Fatigue Performance of SFPSC under Hot-Wet Environments and Cyclic Bending Loads

Advances in Materials Science and Engineering, 2018
A new structural material named “steel fiber polymer structural concrete (SFPSC)” with features of both high strength and high toughness was developed by this research group and applied to the bridge superstructures in the hot-wet environments.
Shanshan Luo, Peiyan Huang, Xinyan Guo, Xiaohong Zheng   +3 more
doaj   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

Competition between mesoplasticity and damage under HCF – Elasticity/damage shakedown concept [PDF]

, 2007
 Lien vers la version éditeur: http://www.sciencedirect.com/science/article/pii/S0142112306003240The aim of this paper is to present new modelling dedicated to multiaxial high cycle fatigue (HCF), and applied to polycrystalline metals.
DRAGON, André, MOREL, Franck, FLACELIERE, Laurent   +2 more
core   +1 more source

Influence of Loading Waveform on the Fatigue Life of 34CrNi3MoVA Steel

Metals
Mechanical components often experience fatigue loading from various waveform conditions during their operational lifespan. However, the underlying mechanisms through which variations in loading waveform affect the fatigue life of components remain ...
Xiaoyan Guan, Jie Tang, Jianzhi Chen
doaj   +1 more source

A New Approach to Estimate the Fatigue Limit of Steels Based on Conventional and Cyclic Indentation Testing

Metals, 2022
For a reliable design of structural components, valid information about the fatigue strength of the material used is a prerequisite. As the determination of the fatigue properties, and especially the fatigue limit σw, requires a high experimental effort,
David Görzen, Pascal Ostermayer, Patrick Lehner, Bastian Blinn, Dietmar Eifler, Tilmann Beck   +5 more
doaj   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

Advanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice, Krzysztof S. Stopka, Michael D. Sangid   +2 more
wiley   +1 more source

An experimental study of anisotropic fatigue behavior of rolled AZ31B magnesium alloy

Materials & Design, 2020
Material orientation effects on cyclic deformation and fatigue of a rolled AZ31B magnesium (Mg) alloy were experimentally studied. Monotonic tension, monotonic compression, and fully reversed strain-controlled tension-compression experiments were ...
Yuqian Wang, Duke Culbertson, Yanyao Jiang   +2 more
doaj   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

Low cycle fatigue life improvement of AISI 304 by initial and intermittent wire brush hammering [PDF]

, 2013
The effects of hammering by wire brush as a method of improving low cycle fatigue life of highly ductile austenitic stainless steel AISI 304 have been investigated through an experimental study combining imposed strain fatigue tests and assessment of ...
KHLIFI, Ammar, SIDHOM, Habib, MAKHLOUF, Kamel, SIDHOM, Naziha, BRAHAM, Chedly   +4 more
core   +1 more source