Results 21 to 30 of about 16,507,412 (359)

Full-field strain measurement and identification of composites moduli at high strain rate with the virtual fields method [PDF]

open access: yes, 2010
The present paper deals with full-field strain measurement on glass/epoxy composite tensile specimens submitted to high strain rate loading through a split Hopkinson pressure bar (SHPB) device and with the identification of their mechanical properties ...
MOULART, Raphaël   +15 more
core   +1 more source

Effect of the matrix behavior on the damage of ethylene–propylene glass fiber reinforced composite subjected to high strain rate tension [PDF]

open access: yes, 2012
This study investigates the origin of the strain rate effect on the mechanical behavior of a discontinuous glass fiber reinforced ethylene–propylene copolymer (EPC) matrix composite.
FITOUSSI, Joseph   +2 more
core   +1 more source

Normal left atrial strain and strain rate using cardiac magnetic resonance feature tracking in healthy volunteers.

open access: yesEuropean Heart Journal-Cardiovascular Imaging, 2019
AIMS The aim of our study was to establish normal ranges for left atrial (LA) strain and strain rate using cardiac magnetic resonance feature tracking (CMR-FT), LA sphericity index, and to compare LA strain using CMR-FT with 2D-speckle tracking ...
V. Truong   +10 more
semanticscholar   +1 more source

Material embrittlement in high strain-rate loading

open access: yesInternational Journal of Extreme Manufacturing, 2019
Material embrittlement is often encountered in machining, heat treatment, hydrogen and low-temperature conditions among which machining is strain-rate related.
Xiuxuan Yang, Bi Zhang
semanticscholar   +1 more source

Direct experimental evidence of time-temperature superposition at finite strain for an amorphous polymer network [PDF]

open access: yes, 2015
The time-temperature superposition property of an amorphous polymer acrylate network is characterized at infinitesimal strain by standard dynamic mechanical analysis tests.
GILORMINI, Pierre   +4 more
core   +1 more source

Lithium Mechanics: Roles of Strain Rate and Temperature and Implications for Lithium Metal Batteries

open access: yesJournal of the Electrochemical Society, 2019
The lack of a reliable rechargeable lithium metal (Li-metal) anode is a critical bottleneck for next-generation batteries. The unique mechanical properties of lithium influence the dynamic evolution of Li-metal anodes during cycling.
W. LePage   +8 more
semanticscholar   +1 more source

Strain and Strain Rate Echocardiography

open access: yesMethodist DeBakey Cardiovascular Journal, 2006
Myocardial function is eventually determined by the shortening and lengthening of myocardium, i.e., myocardial deformation or strain. The exact and direct measure of myocardial deformation has been dependent on the in vitro analysis of myocardial length.
Jianwen Wang, Sherif F. Nagueh
openaire   +1 more source

Critical issues in conducting constant strain rate nanoindentation tests at higher strain rates

open access: yesJournal of Materials Research, 2019
Constant strain rate nanoindentation is a popular technique for probing the local mechanical properties of materials but is usually restricted to strain rates ≤0.1 s^−1.
B. Merle, W. Higgins, G. Pharr
semanticscholar   +1 more source

Strain hardening behaviors and strain rate sensitivity of gradient-grained Fe under compression over a wide range of strain rates [PDF]

open access: yes, 2016
In the present work, gradient-grained Fe was synthesized by means of surface mechanical grinding treatment, and then the compression behaviors of the coarse-grained Fe and the gradient-grained Fe were investigated under both quasi-static and dynamic ...
Chen P   +5 more
core   +1 more source

Modelling, identification and application of phenomenological constitutive laws over a large strain rate and temperature range [PDF]

open access: yes, 2013
A review of the different phenomenological thermo-viscoplastic constitutive models often applied to forging and machining processes is presented. Several of the most common models have been identified using a large experimental database (Hor et al., 2013)
GERMAIN, Guénaël   +3 more
core   +1 more source

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