Materials for Turbine Power Blades, Reinforcements, and Resins - Hybrid Anisotropic Materials for Wind Power Turbine Blades - page 67

FIGURE 3.3
A. 3K,. plain. weave. carbon. iber. fabric.. (From. Carbon. Fiber. Fabrics:. www.composites/vision;.
www.shopmanic.com/carbon..With.permission.)

TABLE 3.8
Mechanical.Properties.of.the.IM7.Carbon.Fibers
MechanicalProperty Value

Tensile.Strength 2,760.MPa

Tensile.Modulus 168.GPa

Compression.Strength 1,655.MPa

Compression.Modulus 148.GPa

Short-beam.shear.strength 100.MPa

Fiber.density 1,770.kg/m 3

Fiber.volume.fraction 62%

cured.using.a.ramp-up.schedule.requiring,.at.most,.310°F..Resin.content.is.36.
to.42.percent. Prepreg.2×2.twill.weave.Kevlar.is.pictured.in.Figure 3.4.

3.5.3 S2-Glass

Parameters.of.S2-glass:.9.oz./sq..yd.,.50.in..wide,..009.in..thick,.57×57.construc-
tion,.8H.satin.weave..This.style.6781.S2-glass.is.identical.to.the.style.7781.E-glass.
(#543). except. it. is. woven. with. superior. S-2. ibers. resulting. in. extraordinary.
strength.with.a.superior.look.and.inish..(Typical.full.roll.length.is.500.yards.)