Results 21 to 30 of about 139,348 (340)
The incremental bulk modulus, Young's modulus and Poisson's ratio in nonlinear isotropic elasticity: physically reasonable response [PDF]
Mathematics and Mechanics of Solids. (2007), \textbf{12}, 526-542, 2020 An incremental (or tangent) bulk modulus for finite isotropic elasticity is defined which compares an increment in hydrostatic pressure with the corresponding increment in relative volume. Its positivity provides a stringent criterion for physically reasonable response involving the second derivatives of the strain energy function. Also, an average (or
arxiv +1 more source
Elastic modulus of halloysite nanotubes [PDF]
Nanotechnology, 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
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Polymer Testing, 2022 A series of microcellular polypropylene (PP) with different bubble size and expansion ratio were prepared by supercritical CO2 moulding compression foaming, and their compressive, flexural and tensile properties were measured. A comprehensive calculation
Yichong Chen +7 more
doaj
Elastic bending modulus of monolayer graphene [PDF]
Journal 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
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Elastic Bending Modulus of Single-Layer Molybdenum Disulphide (MoS2): Finite Thickness Effect [PDF]
Nanotechnology 24, 435705 (2013), 2013 We derive, from an empirical interaction potential, an analytic formula for the elastic bending modulus of single-layer MoS2 (SLMoS2). By using this approach, we do not need to define or estimate a thickness value for SLMoS2, which is important due to the substantial controversy in defining this value for two-dimensional or ultrathin nanostructures ...
arxiv +1 more source
Gels, 2022 The preformed particle gel (PPG) has been proved to be an effective chemical agent to reduce fluid channeling and increase the sweeping efficiency. However, we still lack a clear understanding of the field-scale matching relationship between PPG size ...
Kang Zhou +3 more
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The elastic modulus of isolated polytetrafluoroethylene filaments [PDF]
ScienceOpen 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
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Elastic modulus of viral nanotubes
Physical 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
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Mechanical Engineering Journal, 2021 Thermoplastic resins, which are lighter than metals and ceramics, have many features such as excellent processability. They are used in widely various fields for daily necessities and for transportation equipment.
Tetsuo TAKAYAMA, Yuki MOTOYAMA
doaj +1 more source
Elastic Bending Modulus for Single-Layer Black Phosphorus [PDF]
, 2014 We derive an analytic formula for the elastic bending modulus of single-layer black phosphorus (SLBP) based on the valence force field model. The obtained elastic bending modulus is 4.8028 eV and 7.9905 eV along the armchair and zigzag directions in the SLBP, respectively. These values are obviously larger than the bending modulus of 1.4 eV in graphene
arxiv +1 more source