Results 121 to 130 of about 257,218 (311)

Local and non-local approaches to creep crack initiation and propagation

open access: yes, 2003
A functional form of local brittle strength conditions for a time- or history-dependent materials is presented. The particular strength condition associated with the Robinson linear damage accumulation rule and the power-type durability diagram is ...
Mikhailov, SE, Namestnikova, IV
core   +1 more source

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

open access: yesAdvanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell   +3 more
wiley   +1 more source

Analysis of microstructure and fatigue micromechanisms in cast aluminium piston alloys

open access: yes, 2011
Light vehicle engine pistons have traditionally been cast from near eutectic Al-Si cast alloys due to several favourable functional and processing attributes.
Mbuya, Thomas O, Mbuya, Thomas O.
core  

Physical fatigue measured by functional MRI

open access: yes, 2018
Introduction. Physical fatigue is a physiological condition that can be measured by functional Magnetic Resonance Imaging (fMRI). Aim. Therefore, this work aims to present the research results currently reported in the scientific literature between the ...
Truszkiewicz, Adrian   +7 more
core   +1 more source

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source

The lived experience of persons with chronic fatigue syndrome : a qualitative phenomenological study

open access: yes, 2000
Bibliography : leaves 99-111.This phenomenological study examined the lived experience of persons who suffer from Chronic Fatigue Syndrome (CFS). Research into this condition has to date concentrated on causality and coping strategies and there is ...
Mayers, Patricia Margaret
core  

Fatigue in brain tumor patients, towards a neuronal biomarker [PDF]

open access: yes, 2020
BACKGROUND: Many brain tumor patients suffer from fatigue which severely affects their quality of life. There is a lack of objective measurements for fatigue in brain tumor patients.
Schouwenaars, I T   +4 more
core  

Factors associated with experience of fatigue, and functional limitations due to fatigue in patients with stable COPD

open access: yesTherapeutic Advances in Respiratory Disease, 2016
Background: The aim of this study was to determine the influence of selected physiological, psychological and situational factors on experience of fatigue, and functional limitations due to fatigue in patients with stable chronic obstructive pulmonary ...
Magnus Kentson   +6 more
doaj   +1 more source

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

open access: yesAdvanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee   +7 more
wiley   +1 more source

Changes in thalamic functional connectivity in post-Covid patients with and without fatigue

open access: yesNeuroImage
Background: Functional brain alterations in post-Covid-19 condition have been minimally explored to date. Here, we investigate differences in resting-state thalamic functional connectivity among post-Covid patients with and without fatigue, alongside ...
Manuel Leitner   +6 more
doaj   +1 more source

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