Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Defects focal-conic pair

Parabolic focal conics are a special case of generic focal conic defects, which are composed of layers curved to form toroidal surfaces called Dupin cyclides (see Fig. 10-31). Each such structure contains a pair of disclination lines—one an ellipse and the other... [Pg.482]

Figure 10,33 (a) Isolated toric focal conic defect, (b) A pair of such defects. (Adapted with permission from Winey et al.. Macromolecules 26 2542. Copyright 1993, American Chemical Society.)... [Pg.485]

Fig. 8.30 Focal-conic defect structure in SmA A pair of cones with a common elliptical base and a hyperbola connecting cone apices (a) cross-section of the upper cone by plane ABC with gaps between lines (Dupin cyclides) indicating the smectic layers (b) filling the space of the sample by cones of different size (c)... Fig. 8.30 Focal-conic defect structure in SmA A pair of cones with a common elliptical base and a hyperbola connecting cone apices (a) cross-section of the upper cone by plane ABC with gaps between lines (Dupin cyclides) indicating the smectic layers (b) filling the space of the sample by cones of different size (c)...
See other pages where Defects focal-conic pair is mentioned: [Pg.482]    [Pg.486]    [Pg.185]    [Pg.445]    [Pg.466]    [Pg.482]    [Pg.1335]    [Pg.188]    [Pg.268]    [Pg.354]   
See also in sourсe #XX -- [ Pg.227 ]



SEARCH



Conicity

Focal-conic

© 2024 chempedia.info