نتایج جستجو برای: effective 2d youngs modulus
تعداد نتایج: 786086 فیلتر نتایج به سال:
Effects of bi-axial stretching induced reorientation of graphene platelets (GPLs) on the Young's modulus of GPL/polymer composites is studied by Mori-Tanaka micromechanics model. The dispersion state of the GPLs in polymer matrix is captured by an orientation distribution function (ODF), in which two Euler angles are used to identify the orientation of the GPLs. Compared to uni-axial stretching...
Development of devices and structures based on the layered 2D materials critically hinges on the capability to induce, control, and tailor the electronic, transport, and optoelectronic properties via defect engineering, much like doping strategies have enabled semiconductor electronics and forging enabled introduction the of iron age. Here, we demonstrate the use of a scanning helium ion micros...
Abstract A cross‐scale homogenization approach for multi‐phase materials is to calculate an effective material stiffness in the smaller scale multiple states. These detailed results are used identify a calculation rule larger scale. The of matrix using ABAQUS 3D finite elements was already described by [1]. This can be transferred 2D ℝ 3×3 without much effort. However, some require specificatio...
In 1995, Yudovich extended his own 1963 uniqueness result for solutions to the 2D Euler equations with bounded initial vorticity to allow a certain class of initial vorticities whose L-norms grow no faster than roughly log p. Yudovich’s argument involves estimating part of the difference between two velocities in terms of the L∞-norm of each velocity. Because the two velocities have a (common) ...
A dynamic crack will travel in a straight path up to a material-dependent critical speed beyond which its path becomes erratic. Predicting this critical speed and discovering the origin of this instability are two outstanding problems in fracture mechanics. We recently discovered a simple scaling model based on an effective elastic modulus that gives successful predictions for this critical spe...
The mechanical behavior and properties of particle beds relevant to fusion ceramic breeder blanket designs are addressed through a combination of experimental and analytical studies. A series of uniaxial compression tests are performed in a INSTRON hydraulic-press test facility in which compressive loads are applied to Li2ZrO3 and aluminum packed beds. The experimental data shows that the mecha...
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