Results 31 to 40 of about 79,182 (234)

A new multiaxial fatigue life prediction model considering additional hardening effect

Advances in Mechanical Engineering, 2020
The established linear fatigue life prediction model based on the Miner rule has been widely applied to fatigue life prediction under constant amplitude uniaxial and multiaxial loading.
Li Bin, Liu Jianhui, Wang Xiuli
doaj   +1 more source

Influence of notch sensitivity and crack initiation site on low cycle fatigue life of notched components under multiaxial non-proportional loading [PDF]

Fracture and Structural Integrity, 2019
A series of strain controlled multiaxial low cycle fatigue (LCF) tests under proportional and non-proportional loading conditions have been conducted on notched specimens. Cylindrical bars of Al 6061 aluminum alloy and AISI 316L stainless steel with four
Stefano Bressan, Fumio Ogawa, Takamoto Itoh, Filippo Berto   +3 more
doaj   +1 more source

Fatigue Life Assessment of Metals under Multiaxial Asynchronous Loading by Means of the Refined Equivalent Deformation Criterion

Metals, 2023
As is well-known, non-proportional fatigue loading, such as asynchronous one, can have significant detrimental effects on the fatigue behavior of metallic materials by reducing the fatigue strength/fatigue limit and by leading to a fatigue damage ...
Daniela Scorza
doaj   +1 more source

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Ductile damage evolution under cyclic non-proportional loading paths

Procedia Structural Integrity, 2018
Abstract The characterization of ductile damage evolution, and its description, have been the object of extensive research in the continuum damage mechanic field. Starting from the pioneering works of Lemaitre (1985), Gurson (1977), Rousselier (1987), many different models have been developed.
Fincato R, Tsutsumi S, Momii H
openaire   +2 more sources

Bending and Torsion Fatigue-Testing Machine Developed for Multiaxial Non-Proportional Loading

Metals, 2019
A new fatigue-testing machine was developed to perform high-cycle multiaxial fatigue tests at 50 Hz, in order to reduce testing time. The developed machine can combine bending and torsion loading and perform fatigue tests at a high frequency, under ...
Fumio Ogawa, Yusuke Shimizu, Stefano Bressan, Takahiro Morishita, Takamoto Itoh   +4 more
doaj   +1 more source

Tube Expansion by Single Point Incremental Forming: An Experimental and Numerical Investigation

Metals, 2021
In this paper, we revisit the formability of tube expansion by single point incremental forming to account for the material strain hardening and the non-proportional loading paths that were not taken into consideration in a previously published ...
Carlos Suntaxi, Gabriel Centeno, M. Beatriz Silva, Carpóforo Vallellano, Paulo A. F. Martins   +4 more
doaj   +1 more source

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül, Neriman Sıla Koç, Berrak Itır Aylı   +2 more
wiley   +1 more source

An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots

FEBS Letters, EarlyView.
This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino, Meijie Li, Cécile Fizames, Mattia Adamo, Laurence Lejay, Christian Dubos, Matthieu Platre, Antoine Martin   +7 more
wiley   +1 more source

Ductile damage evolution law for proportional and non-proportional loading conditions

Fracture and Structural Integrity, 2018
The characterization of ductile damage evolution, and its description, have been the object of extensive research in the continuum damage mechanic field.
Riccardo Fincato, Seiichiro Tsutsumi, Hideto Momii   +2 more
doaj