Results 11 to 20 of about 6,571,449 (244)

Haemodynamic responses to heat stress and hypohydration in resting and exercising humans: Implications for the regulation of skeletal muscle blood flow [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Heat stress-induced hyperthermia and exercise-induced hypohydration are associated with marked alterations in limb and systemic haemodynamics in humans ...
Pearson, James
core   +7 more sources

Regulation of endothelial cell activity and vascular inflammation by shear stress [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Evans, PC   +1 more
core   +6 more sources

The improved arrhenius model with variable parameters of flow behavior characterizing for the as-cast AZ80 magnesium alloy [PDF]

open access: yesMaterials Research, 2013
In order to study the hot working behaviour of as-cast AZ80 magnesium alloy, a series of isothermal upsetting tests with height reduction of 60% were performed at the temperature range of 523-673 K and the strain rate range of 0.01-10 s-1 on a servo ...
Guo-zheng Quan   +3 more
doaj   +1 more source

A characterization for the flow behavior of as-extruded 7075 aluminum alloy by the improved Arrhenius model with variable parameters

open access: yesMaterials Research, 2012
In order to perform the numerical simulations of forging response and establish the processing parameters for as-extruded 7075 aluminum alloy, the compressive deformation behavior of as-extruded 7075 aluminum alloy were investigated at the temperatures ...
Guo-zheng Quan   +5 more
doaj   +1 more source

Modeling and simulation of dynamic recrystallization behavior for Q890 steel plate based on plane strain compression tests

open access: yesOpen Physics, 2020
In view that the traditional dynamic recrystallization (DRX) model cannot effectively predict the DRX process in the hot deformation process of sheet metal, DRX behavior modeling and simulation of q890 steel plate based on the plane strain compression ...
Yang Lei, He Yi-Zhu
doaj   +1 more source

Numerical analysis of flow structures and bed entrainment in turbulent open-channel flow [PDF]

open access: yes, 2009
PhDThe results from a Direct Numerical Simulation (DNS) and a Large Eddy Simulation (LES) are employed to study the large-scale coherent structures and bed entrainment in the turbulent open-channel flow.
Ma, Jianmin
core   +4 more sources

MTS model based force prediction for machining of Ti-6Al-4V

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2017
The high temperature and severe plastic deformation could promote workpiece material microstructure evolution in the machining process. The material mechanical properties are functions of the material microstructure attributes.
Zhipeng PAN   +4 more
doaj   +1 more source

Monolayer oxide enhanced flow stress in nanoporous gold: the size dependence

open access: yesMaterials Research Letters, 2018
Compression of nanoporous gold in situ under electrochemical control reveals that its flow stress can be enhanced by surface coverage of monolayer oxide. Here we present a study on the monolayer oxide induced changes in flow stress of an nanoporous gold,
Peng Wu   +3 more
doaj   +1 more source

Effect of temperatures and strain rates on the average size of grains refined by dynamic recrystallization for as-extruded 42CrMo steel [PDF]

open access: yesMaterials Research, 2013
In order to study the dynamic recrystallization (DRX) behavior of as-extruded 42CrMo high-strength steel, a series of isothermal upsetting experiments were carried out in a temperature range of 1123~1348 K and a strain rate range of 0.01~10 s-1 on ...
Quan Guo-Zheng   +3 more
doaj   +1 more source

A comprehensive review on the deformation behavior of refractory high entropy alloys at elevated temperatures

open access: yesManufacturing Review, 2023
Thermo-mechanical processing of refractory high entropy alloys (RHEAs) at high temperatures is very important. It is an effective method of modifying the microstructure, properties, and shaping into final components after casting.
Bamisaye Olufemi Sylvester   +5 more
doaj   +1 more source

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