disclination

disclination

/dis·cli·na·tion/ (dis″klin-a´shun) extorsion.
References in periodicals archive ?
Those on defects consider such aspects as adsorption, characterization, disclination, the effect on compressive behavior, the effect on thermal conductivity, heptagon, interstitial, pinhole, topological, and vacancy.
EN(A)] for the examined disclination ranges can be simply calculated, e.
18] reported that a few disclination loops could be seen in the initial quiescent state and within the bulk of the TLCP sample.
However, this explanation of the flow behavior in the first shear rate region can be considered as a first approach to the model of the shear induced complex development of disclination loops (defects) and of textures.
Thus, a toroidal configuration with the nematic field director arranged concentrically around a disclination line running through the center of the droplet [ILLUSTRATION FOR FIGURE 2 OMITTED] has been predicted theoretically (21, 22), but has always been found to be higher in energy than the bipolar configuration, under the common assumption that the three elastic constants are all equal.
Graziano and Mackley (16) report the continuous creation, deformation, relaxation and disappearance of disclination loops (line defects in this report) dependent on the loop orientation relative to the flow field.
Nematic LCPs contain disclinations, points of reorientation of the molecular director, and the degree of packing of the molecules in the vicinity of the disclination is lower than elsewhere in the structure (4).
Above a specific shear rate, they saw a distinct increase in disclination density.
Using these techniques, we present in this report results from the full three-dimensional morphology of bulk injection-molded LCPs sufficient resolution to detect disclination defects and to quantify their density.
In a previous paper [1], the deformable medium properties of the spacetime continuum (STC) led us to expect dislocations, disclinations and other defects to be present in the STC.