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ANALYTICAL METHODS FOR TEXTILE COMPOSITES
2-18
where w
L
is the width of an axial yarn. The maximum width of the yarns is controlled by
several parameters, including the linear density of the yarn, the degree of twist (twisting a
26.6
°
64.4°
64.4
°
56.3°
a) Five-Harness Satin Weave
b) Eight-Harness Satin Weave
Figure 2-11. Angles of the diagonal patterns formed by exchange locations.
Figure 2-12. Triaxial weave.
yarn tends to prevent flattening), and the size of the carrier guides. The last factor imposes
an upper limit to the width of approximately 5 mm [2.7]. Reference [2.5] reports a
maximum width for a 6K carbon yarn of 1.9 mm; and 3.0 mm. for a 12K yarn.