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   Articles with "strain" as a keyword



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Association of Left Atrial Strain With Ischemic Stroke Risk in Older Adults.

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recommendations! Published in 2023 at "JAMA cardiology"

DOI: 10.1001/jamacardio.2022.5449

Abstract: Importance The risk of ischemic stroke is higher among patients with left atrial (LA) enlargement. Left atrial strain (LAε) and LA strain rate (LASR) may indicate LA dysfunction when LA volumes are still normal. The… read more here.

Keywords: longitudinal lasr; positive longitudinal; strain; stroke ... See more keywords
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Synchrotron tomographic quantification of strain and fracture during simulated thermal maturation of an organic‐rich shale, UK Kimmeridge Clay

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recommendations! Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jb013874

Abstract: Analyzing the development of fracture networks in shale is important to understand both hydrocarbon migration pathways within and from source rocks and the effectiveness of hydraulic stimulation upon shale reservoirs. Here we use time-resolved synchrotron… read more here.

Keywords: organic rich; maturation organic; clay; strain ... See more keywords
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Experimental evidence for dynamic friction on rock fractures from frequency‐dependent nonlinear hysteresis and harmonic generation

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recommendations! Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jb014219

Abstract: Frictional properties affect the propagation of high amplitude seismic waves across rock fractures and faults. Laboratory evidence suggests that these properties can be measured in active seismic surveys, potentially offering a route to characterizing friction… read more here.

Keywords: rock fractures; harmonic generation; friction; dynamic friction ... See more keywords
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Abnormally Strong Daily‐cycle S1 Strain Tide: Observation and Physical Mechanism

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recommendations! Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jb014383

Abstract: Tidal signals are analyzed in the Plate Boundary Observatory borehole strainmeters in western North America. While the extracted diurnal strain tidal constituents (except daily-cycle S1) respond to the tidal forces in similar proportion, the S1… read more here.

Keywords: phase; surface; strain tide; strain ... See more keywords
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Fatigue and Fracture Reliability of Shell‐Mimetic PE/TiO2 Nanolayered Composites

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recommendations! Published in 2017 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201700246

Abstract: Shell-mimetic (PE/TiO2)4 nanolayered composites stacked alternatively by 20 nm-thick PE layers and 55 nm-thick nanocrystalline TiO2 layers are synthesized by a combination of the layer-by-layer self-assembly and the chemical bath deposition methods. The critical cracking strain and… read more here.

Keywords: tio2; mimetic tio2; nanolayered composites; tio2 nanolayered ... See more keywords
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Microalloyed Steels Laminated Composites Processed by the High‐Strain Rate Compression Tests

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recommendations! Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201800098

Abstract: Multilayered metal‐to‐metal (MM) composites have been gathering much interest in the last decades because of its extraordinary mechanical properties. In the present study, the microstructural changes and mechanical behavior of two grades of microalloyed steels,… read more here.

Keywords: compression; microalloyed steels; strain; strain rate ... See more keywords
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Effects of Strain Rate on Low‐Cycle Fatigue Behaviors of Fe–22Mn–0.6C TWIP Steel

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recommendations! Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201801042

Abstract: The influence of strain rate on low‐cycle fatigue (LCF) behavior of Fe–22Mn–0.6C twinning‐induced plasticity (TWIP) steel is investigated by conducting LCF tests. The LCF tests are performed at a strain amplitude of 0–1.4% with strain… read more here.

Keywords: strain rate; fatigue; twip steel; strain ... See more keywords
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Strain Dependency of Poisson's Ratio of SLS Printed Auxetic Lattices Subjected to Quasi‐Static and Dynamic Compressive Loading

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recommendations! Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201900204

Abstract: This paper deals with experimental investigation into a strain‐rate dependent function of Poisson's ratio of three auxetic structures subjected to compressive loading. The missing rib, the 2D re‐entrant honeycomb, and the 3D re‐entrant honeycomb lattices… read more here.

Keywords: compressive loading; quasi static; strain; poisson ratio ... See more keywords
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Influence of Accumulated Strain on the Fracture Behavior of Low‐ and Medium‐Carbon Steels Processed by Equal‐Channel Angular Pressing

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recommendations! Published in 2020 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201901336

Abstract: Herein, commercial ferritic–pearlitic unalloyed low‐carbon and medium‐carbon steel samples containing a machined U‐shaped notch are subjected to equal‐channel angular pressing (ECAP) under varying total strains. The impact toughnesses and fracture surface structures of these samples… read more here.

Keywords: carbon steel; medium carbon; carbon; strain ... See more keywords
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Dynamic Softening Mechanism and an Improved Unified Constitutive Model for an Al–Cu–Mn–Fe–Zr Alloy during Warm Deformation

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recommendations! Published in 2021 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202100015

Abstract: Deformation behavior of an Al–Cu–Mn–Fe–Zr alloy is investigated by plane strain compression tests at a warm deformation region. The flow stress first increases and then keeps steady, and the flow stress increases with reducing temperature… read more here.

Keywords: improved unified; strain; model; warm deformation ... See more keywords
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Automated Analysis of Continuum Fields from Atomistic Simulations Using Statistical Machine Learning

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recommendations! Published in 2022 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202200574

Abstract: Atomistic simulations of the molecular dynamics/statics kind are regularly used to study small‐scale plasticity. Contemporary simulations are performed with tens to hundreds of millions of atoms, with snapshots of these configurations written out at regular… read more here.

Keywords: using statistical; analysis continuum; strain; total strain ... See more keywords