elastic constants
Elastic constants of thorium single crystals
... 80 to 370 degrees K. by ultrasonic measurements on single crystals. Two crystals were prepared by the strain anneal method. One crystal was cut in the form of a circular plate about 0.7 inch in diameter and 0.06 inch ...
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Effect of polar intermolecular interactions on the elastic constants of bent-core nematics and the origin of the twist-bend phase
... bend elastic constant can approach zero and even turn negative at a certain tem- ...splay elastic con- ...bend elastic constant has been indeed confirmed ex- perimentally [3, 8, ...negative ...
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Measurement of third-order elastic constants and stress dependent coefficients for steels
... third-order elastic constant of semicon- ductor was related to thermal expansion coefficient and G˝uneisen constants (Bateman et ...third-order elastic constants contributes to the study of ...
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Resonant ultrasound spectroscopy measurements of the elastic constants of human dentin $
... crystal elastic constants with great precision (Migliori et ...the elastic constants of dentin; and (c) test the hypothesis that structural anisotropy of dentin produces a correspond- ing ...
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Measuring elastic constants using non contact ultrasonic techniques
... We have shown that electromagnetic techniques show promise for non-contact generation and detection of ultrasound in electrically conducting and/or magnetic single crystals. The resulting ultrasonic pulses can then be ...
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Non contact ultrasonic measurements of the elastic constants of magnetic materials
... its elastic properties ...two elastic constants can be measured from the velocities v of longitudinal and shear waves; C 33 = ρv long 2 and C 44 = ρv shear 2 , where ρ is ...
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DFT Calculation for Elastic Constants of Tetragonal Structure of Crystalline Solids with WIEN2k Code: A New Package (Tetra-elastic)
... the elastic constants of tetragonal ...the elastic constants of tetragonal ...calculated elastic constants using Tetra-elastic exhibit better agreement with the available ...
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Elastic constants and dynamics in nematic liquid crystals
... the elastic constants have been ...study elastic constants in the Lebwohl-Lasher lattice model; however this approach is approximate, involving a heterogeneous system with boundaries, and the ...
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Elastic constants from direct correlation functions in nematic liquid crystals: A computer simulation study
... lating elastic constants in nematic liquid ...determine elastic con- stants, the order tensor fluctuation approach is still more ef- ficient: the statistical error of pair correlation functions must ...
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Investigation of elastic constants and ultimate strengths of Korean pine from compression and tension tests
... In recent years, the rehabilitation of traditional timber structures which are recognized as valuable culture herit- ages becomes more and more important in China. Timber once used in the construction of these wooden ...
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Elastic constants of hard thin platelets by Monte Carlo simulation and virial expansion
... Frank elastic constants for systems composed of thin hard circular disks over their full nematic range, and compares with theo- retical estimates which incorporate virial terms up to sixth ...orientational ...
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Determination of the elastic constants of cereal grains in a uniaxial compression test
... purely elastic defor- mation and was used for determination of elastic constants, the modulus of elasticity E and Poisson’s ratio ...both elastic and plastic ...
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Elastic Constants and Pressure Derivatives of Calcium Oxide
... the elastic constants and pres- sure derivatives for CaO are evaluated at different temperatures (from 100 - 1000 K) using the formulation and shown in Figures ...some elastic properties for CaO ...
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Comparative study on measurement of elastic constants of wood-based panels using modal testing: choice of boundary conditions and calculation methods
... All three BCs with corresponding calculation methods can be applied in the laboratory environment. FFFF is the easiest BC to be replicated in a testing environment and can be applied for panels of small to moderate ...
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Anomalously low twist and bend elastic constants in an oxadiazole-based bent-core nematic liquid crystal and its mixtures : contributions of spontaneous chirality and polarity
... three elastic constants should generally increase with decreasing temperature as some power of the nematic order parameter, S, and are roughly of the same order of ...
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Elastic Constants of AlLi from First Principles
... the elastic moduli of these polycrystalline materials are sensitive to the number of grains and/or the ...average elastic moduli calculated using the Voigt–Reuss–Hill averaging scheme with the experimental ...
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Dynamic measurements of the elastic constants of glass wool
... dynamic elastic constants of the fiber ...the elastic constants has been measured dynamically, but here all the elastic constants are ...the elastic constants, the ...
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The in-plane linear elastic constants and out-of-plane bending of 3-coordinated ligament and cylinder-ligament honeycombs
... linear elastic constants and out-of-plane bending response of these honeycombs are predicted using Finite Element (FE) modelling and comparison made with hexagonal and re-entrant hexagonal honeycombs ...
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Anisotropy of the elastic constants in SmC* liquid crystal films
... It is known that surface tension can induce a smectic film at the sur- face of an isotropic liquid crystal droplet, see for example Swanson et al. [1]. The molecules within the smectic layers can also orientate uniformly ...
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Elastic constants and stress strain in thin films: application in fibber textured gold film by X Ray diffraction
... the elastic constants in thin films by XRD cannot be determined ...the elastic constants as well as strain in thin films are obtained by using the elasticity theory of continuous media for ...
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