Results 21 to 30 of about 418,771 (348)

Elastic modulus of halloysite nanotubes [PDF]

open access: yesNanotechnology, 2013
This work reports measurements of the elastic modulus of halloysite nanotubes. Nanoscale three-point bending tests were performed on individual nanotubes using an atomic force microscope. Nanotubes exhibit elastic behaviour at small deformations. The stiffness of the tubes, and hence their elastic modulus, was deduced from force curve measurements ...
Christian Bailly   +4 more
openaire   +3 more sources

Anelastic relaxor behavior of Pb(Mg1/3Nb2/3)O3 [PDF]

open access: yes, 2013
Elastic storage modulus and loss of relaxor lead magnesium niobate ceramics, Pb(Mg1/3Nb2/3)O3, have been measured with dynamic mechanical analyzer in single cantilever mode in the temperature range from 170 K to 320 K and at frequencies from 0.1 Hz to 50
Damjanovic, Dragan, Ursic, Hana
core   +2 more sources

An analysis of the elastic properties of a porous aluminium oxide film by means of indentation techniques [PDF]

open access: yes, 2013
The elastic modulus of thin films can be directly determined by instrumented indentation when the indenter penetration does not exceed a fraction of the film thickness, depending on the mechanical properties of both film and substrate.
AMROUCHE, A.   +7 more
core   +7 more sources

Elastic bending modulus of monolayer graphene [PDF]

open access: yesJournal of Physics D: Applied Physics, 2009
A new formula for elastic bending modulus of monolayer graphene is derived analytically from an empirical potential for solid-state carbon-carbon bonds. Two physical origins are identified for the non-vanishing bending modulus of the atomically thin graphene sheet, one due to the bond angle effect and the other resulting from the bond order term ...
Lu, Q, Arroyo Balaguer, Marino, Huang, R
openaire   +6 more sources

Combined Effect of Silica Fume and Steel Fiber on Modulus of Elasticity of High Performance Concrete [PDF]

open access: yesEngineering and Technology Journal, 2015
Concrete elastic modulus is a basic property required for the appropriatepredicting of its basic behavior and for its correct implementation in a variety ofconstructional and engineering applications.
Muntadher J. Taher   +2 more
doaj   +1 more source

Study on dynamic and static elastic moduli of shale oil by different loading methods

open access: yesUnconventional Resources, 2023
Experiments on the dynamic and static elastic parameters under distinct loading conditions help clarify the effects of loading rate and strain amplitude on dynamic and static elastic moduli, and gain further insight into the moduli.
Huiyuan Bian   +3 more
doaj   +1 more source

Internal states of model isotropic granular packings. III. Elastic properties [PDF]

open access: yes, 2007
In this third and final paper of a series, elastic properties of numerically simulated isotropic packings of spherical beads assembled by different procedures and subjected to a varying confining pressure P are investigated.
C. Thornton   +30 more
core   +5 more sources

The elastic modulus of isolated polytetrafluoroethylene filaments [PDF]

open access: yesScienceOpen Research, 2014
Abstract We report vibrational Raman spectra of small extended perfluoro-n-alkanes (C n F2n+2 with n = 6, 8–10, 12–14) isolated in supersonic jet expansions and use wavenumbers of longitudinal acoustic vibrations to extrapolate the elastic modulus of cold, isolated polytetrafluoroethylene filaments.
Drawe, Patrick   +2 more
openaire   +5 more sources

Elastic modulus of viral nanotubes

open access: yesPhysical Review E, 2008
We report an experimental and theoretical study of the radial elasticity of tobacco mosaic virus (TMV) nanotubes. An atomic force microscope tip is used to apply small radial indentations to deform TMV nanotubes. The initial elastic response of TMV nanotubes can be described by finite-element analysis in 5nm indentation depths and Hertz theory in 1.5nm
Zhao, Yue, Ge, Zhibin, Fang, Jiyu
openaire   +5 more sources

Nanoscale spatial mapping of mechanical properties through dynamic atomic force microscopy

open access: yesBeilstein Journal of Nanotechnology, 2019
Dynamic atomic force microscopy (AFM) was employed to spatially map the elastic modulus of highly oriented pyrolytic graphite (HOPG), specifically by using force modulation microscopy (FMM) and contact resonance (CR) AFM.
Zahra Abooalizadeh   +2 more
doaj   +1 more source

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