Results 11 to 20 of about 1,897,908 (315)

Fatigue performance of thermal spray coatings on carbon steel: a review [PDF]

open access: yes, 2019
This paper contributes to a review of the research of the fatigue behaviour of thermal spray coatings on carbon steel. Previous studies provide the experimental characterization of the fatigue resistance of coated carbon steel.
Harimon, M. A.   +3 more
core   +1 more source

Exercise challenge alters Default Mode Network dynamics in Gulf War Illness

open access: yesBMC Neuroscience, 2019
Background Gulf War Illness (GWI) affects 30% of veterans from the 1991 Gulf War and has no known cause. Everyday symptoms include pain, fatigue, migraines, and dyscognition. A striking syndromic feature is post-exertional malaise (PEM).
Rakib U. Rayhan   +6 more
doaj   +1 more source

Reconfigurations in brain networks upon awakening from slow wave sleep: Interventions and implications in neural communication

open access: yesNetwork Neuroscience, 2023
Sleep inertia is the brief period of impaired alertness and performance experienced immediately after waking. Little is known about the neural mechanisms underlying this phenomenon.
Cassie J. Hilditch   +9 more
doaj   +1 more source

Surface characterization and influence of anodizing process on fatigue life of Al 7050 alloy [PDF]

open access: yes, 2011
The present study investigates the influence of anodizing process on fatigue life of aluminium alloy 7050-T7451 by performing axial fatigue tests at stress ratio ‘R’ of 0.1.
Chaussumier, Michel   +4 more
core   +3 more sources

Finite-element method for the analysis of surface stress concentration factor and relative stress gradient for machined surfaces [PDF]

open access: yesMechanical Sciences, 2023
Surface topography is an important parameter for evaluating the quality of surface machining, and the stress concentrations produced at notches can have a profound effect on the fatigue life of notched components. The stress concentration factor (SCF, Kt)
G. Xu   +11 more
doaj   +1 more source

Obtaining the fatigue laws of bituminous mixtures from a strain sweep test: effect of temperature and aging [PDF]

open access: yes, 2017
Fatigue is associated with the deterioration caused by applying repeated loads, and is affected by temperature or aging. Generally, time sweep tests are used to simulate fatigue, in order to obtain the fatigue laws.
Botella Nieto, Ramón   +3 more
core   +2 more sources

On the Tribocorrosion Behavior of Fe-Mn-Al-C Alloys in Ringer’s Solution

open access: yesMetals, 2022
The long-term performance of steels is affected by the simultaneous actions of wear and corrosion, known as tribocorrosion. The tribocorrosion behavior of fully austenitic steels: Fe-Mn-xAl-C (x = 0, 3.5 and 8.3 wt.%) in Ringer’s solution was ...
Gisselle M. Barona-Osorio   +3 more
doaj   +1 more source

Resting state connectivity correlates with drug and placebo response in fibromyalgia patients

open access: yesNeuroImage: Clinical, 2014
Fibromyalgia is a chronic pain syndrome characterized by widespread pain, fatigue, and memory and mood disturbances. Despite advances in our understanding of the underlying pathophysiology, treatment is often challenging.
T. Schmidt-Wilcke   +7 more
doaj   +1 more source

ON FATIGUE. [PDF]

open access: yesThe Lancet, 1875
n ...
openaire   +1 more source

Relationships between brain metabolite levels, functional connectivity, and negative mood in urologic chronic pelvic pain syndrome patients compared to controls: A MAPP research network study

open access: yesNeuroImage: Clinical, 2018
Until recently, the predominant pathology of chronic pelvic pain conditions was thought to reside in the peripheral tissues. However, mounting evidence from neuroimaging studies suggests an important role of the central nervous system in the pathogenesis
Daniel E. Harper   +7 more
doaj   +1 more source

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