APPLICATIONS

■ Wind blade root section

TRIAXIAL HIGHMODULUS FABRICSREDUCING BOLT LOADING IN BLADE DESIGNS

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Picture © istockphoto.com

BENEFITS

■ Hybrid material with optimal fabric patentpending construction

■ Increases blade root laminate stiffness and strength

■ Reduces loading transferred to bolt

■ Substantially improves bolt fatigue life with reduced loading

composites.owenscorning.com

620

580

540

TraditionalFabric A (28GPa)

TraditionalFabric B (30GPa)

Ultrablade® Fabric

(38GPa)Ultrablade®

Fabric (42GPa)

Axi

al S

tres

s in

the

Bo

lt (M

Pa)

Effect of fabric modulus on the stress in the tension bolt

Owens Corning internal simulation test

Up to

17%reduction in

the transferredloading to bolt