ABSTRACT
T300/N5208 C F R P laminat e ha s a n overal l fiber misorientatio n o f 15° . F r o m
Table 5.3 , βη fo r thi s laminat e i s approximately 88.26 % (160.47/181.81 ) o f Q xx.
If th e misorientatio n i s 30° , Q u i s 6 0 % o f Q xx. Th e realit y is , though , th e
misorientation o f 15 ° may generat e u p t o 5 0 % reductio n i n ult imat e strength .
[2 ] . Th e result s o f Polygo n Co . [3 ] indicat e tha t fiber misalignmen t o f 15 °
reduces th e tensil e strengt h b y 2 5 % , th e modulu s o f elasticit y b y 4 0 % .
Misalignment o f 30 ° reduce s bot h th e tensil e strengt h an d th e modulu s o f
elasticity b y 6 0 % . If fibe r misalignment , unequa l fiber loading , broke n fibers
